Greenhouse Gas Emissions in Agriculture: Addressing the Environmental Impact

Greenhouse gas emissions in agriculture are an ever-pressing concern due to their significant contribution to climate change. As we strive to combat global warming, it is crucial to control the various sources of greenhouse gas emissions in agriculture and implement mitigation strategies to reduce their impact. This blog explores the origins of agricultural emissions, their environmental impacts, and the ongoing efforts to address this critical issue. 

Sources of Greenhouse Gas Emissions in Agriculture 

Livestock and enteric fermentation contribute 15 % of the total human centric greenhouse gas emissions in agriculture. The digestive systems of farm animals, like cattle, sheep, and goats, produce methane, a potent greenhouse gas. Also, manure management practices can release methane and nitrous oxide, another greenhouse gas with a higher warming potential than carbon dioxide. 

Rice cultivation is another significant source of agricultural emissions. Under flooded conditions, rice fields create an anaerobic environment, facilitating methane production. Methane emissions from rice cultivation account for a substantial portion of global agricultural emissions. 

The use of synthetic fertilizers in agriculture contributes to nitrous oxide emissions. Nitrous oxide is released when bacteria break down nitrogen-based fertilizers in the soil. Inefficient fertilizer management practices further intensify these emissions. 

Agricultural machinery and fuel combustion also contribute to greenhouse gas emissions. Using fossil fuels to power tractors, harvesters, and other machinery releases carbon dioxide into the atmosphere, adding to the agricultural carbon footprint. 

Impacts of Greenhouse Gas Emissions on Agriculture 

The greenhouse gas emissions and their contribution to climate change is adversely impacting agricultural productivity. Climate change, driven partly by agricultural emissions, leads to more frequent and severe weather events like droughts and floods. These extreme weather conditions disrupt crop growth, endanger livestock, and threaten food production and security. 

Furthermore, greenhouse gas emissions contribute to air and water pollution. For instance, methane and nitrous oxide emissions from manure management and fertilizer use can contaminate the air, exacerbating respiratory issues and air quality concerns. Runoff from agricultural fields can carry excess nutrients and pesticides into water bodies, leading to water pollution and harmful algal blooms. 

Mitigation Strategies for Reducing Agricultural Emissions 

Addressing greenhouse gas emissions in agriculture requires the implementation of effective mitigation strategies. Simple changes in livestock management practices, such as optimizing animal diets and improving waste management systems, can significantly reduce methane emissions. By adopting techniques like anaerobic digestion or composting, farmers can capture methane from manure and convert it into biogas, reducing emissions while generating renewable energy. 

Alternative techniques like intermittent flooding or aerobic rice systems can help minimize methane emissions in rice fields. These practices involve periods of dry soil or aerobic conditions that limit methane production. 

Precision agriculture techniques, including efficient fertilizer use, can mitigate nitrous oxide emissions. By precisely applying fertilizers in the right amounts, in the precise area and at the correct times, farmers can reduce nitrogen losses and minimize greenhouse gas emissions. 

In agricultural operations, shifting towards renewable energy sources, such as solar or wind power, can help reduce emissions from machinery and fuel combustion. Using electric or hybrid machinery can also contribute to a greener and more sustainable agricultural sector. 

Collaborative Approaches and Policies 

Addressing greenhouse gas emissions in agriculture requires collective efforts from governments, agricultural stakeholders, and international organizations. Global agreements like the Paris Agreement provide a framework for countries to work together towards emission reduction targets. Many nations have developed agricultural policies and incentives to encourage sustainable farming practices and the adoption of climate-smart technologies. 

Research and innovation are crucial in finding new solutions to reduce agricultural emissions. Scientists are continuously exploring novel techniques, such as genetic improvements in crops, precision farming technologies, and carbon sequestration methods in agricultural soils, to mitigate greenhouse gas emissions in agriculture further. 

Current Statistics and Progression 

Present conditions and continued progression underscore the urgency to address greenhouse gas emissions in agriculture. Per the Food and Agriculture Organization (FAO), agriculture, including forestry and other land uses, accounts for approximately 24% of global greenhouse gas emissions. Livestock production alone contributes about 14.5% of global emissions from enteric fermentation and manure management. 

However, there has been notable progress in tackling agricultural emissions. Governments and organizations worldwide are increasingly recognizing the importance of addressing agricultural emissions. Many countries have integrated climate change and sustainable agriculture objectives into national policies and strategies. Furthermore, collaborations between researchers, farmers, and farming industries have resulted in sharing best practices, knowledge, and technology transfer to reduce emissions effectively. 

It is worth noting that agricultural emissions reduction is a complex challenge, as it requires balancing environmental concerns with food security and sustainable livelihoods for farmers. Transitioning to low-emission practices must be accompanied by support mechanisms, capacity building, and financial incentives for farmers to ensure the viability and resilience of agricultural systems. 

Conclusion 

Addressing greenhouse gas emissions in agriculture is crucial to mitigate climate change, ensuring food security, and protecting the planet’s resources. Collaborative efforts among governments, agricultural stakeholders, and research institutions are essential to drive innovation, develop supportive policies, and provide the necessary resources for sustainable farming practices. Together, we can significantly protect our planet and secure a better future for future generations. 

The Need for and Importance of Data in Agriculture

 

Introduction

Agriculture has been the foundation on which human civilization was built. It has always played a vital role in the prosperity, development and well-being of society. It provides food, fiber, and fuel for the world’s population, employs a large portion of the global workforce, and supports rural development and poverty reduction. However, the agriculture supported population and industrial growth is now pressurising agricultural productivity along with several other challenges, including climate change, water scarcity and soil degradation. To address these challenges, the agriculture industry needs to adopt data-driven practices to improve productivity, sustainability, and profitability.

 


Need for Data in Agriculture


Farmers face numerous challenges that can impact their productivity and profitability. They need to manage crops, soil, water, pests, and diseases to ensure healthy and high-quality produce. However, these challenges are often unpredictable, and they require timely and accurate information to make informed decisions. Unfortunately, farmers often lack sufficient data to make the right decisions. They rely on traditional practices, experience, and intuition, which can lead to suboptimal outcomes. Therefore, the need for data in agriculture is critical to address these challenges and improve productivity and profitability.

Moreover, the agriculture industry plays a crucial role in global food security. The world’s population is projected to reach 9.7 billion by 2050, and the demand for food is expected to increase by 50%. To meet this demand, the agriculture industry needs to produce more food with fewer resources. Data can help farmers achieve this goal by providing insights into soil health, crop yields, weather patterns, and market trends. With these insights, farmers can optimize their resources, reduce waste, and increase efficiency.

 

Importance of Data in Agriculture

 

Data is essential for improving productivity and profitability in agriculture. It enables farmers to make informed decisions about planting, harvesting, and managing their crops. With data, farmers can analyze their soil health, water use, and nutrient management to optimize their yields. They can also use data to monitor pests and diseases, detect anomalies, and respond quickly to prevent related losses. Data can also help farmers manage their resources better by reducing waste, improving energy efficiency, and conserving water.

Data is also crucial for sustainable agriculture practices that aim to reduce environmental impact, preserve natural resources, and enhance ecosystem services. With data, farmers can adopt precision agriculture practices, such as variable rate technology, which optimizes the use of fertilizers, pesticides, and water. Data can also help farmers implement conservation practices, such as cover cropping, no-till farming, and crop rotation, which improve soil health, reduce erosion, and sequester carbon. Sustainable agriculture practices benefit farmers, consumers, and the environment.

Furthermore, data is essential for better decision-making and risk management. Agriculture is a risky business, and farmers face several uncertainties, such as weather, market volatility, and disease outbreaks. With data, farmers can assess and reduce their risks, develop contingency plans, and make informed decisions. For example, data can help farmers decide when to plant, harvest, or sell their crops to optimize their returns. It can also help farmers manage their financial risks, such as crop insurance and loans.

 

Types of Agricultural Data

 

Agricultural data comes in different forms and from various sources. The following are the main types of agricultural data:

Climate data: Climate data includes information about temperature, rainfall, humidity, wind velocity, and other meteorological variables. This data is critical for predicting weather patterns, assessing risks, and managing irrigation.

Soil data: Soil data includes information about soil health, fertility, texture, structure, and chemistry. This data is essential for optimizing nutrient management, water use, and crop yields.

Crop data: Crop data includes information about crop growth, health, and yield. This data is crucial for predicting harvests, optimizing inputs, and identifying crop varieties and management practices that work best in specific environments.

Market data: Market data includes information about prices, demand, supply, and trade. This data is critical for farmers to make informed decisions about when and where to sell their produce. Market data also helps farmers identify trends and opportunities to diversify their crops and expand their markets.

 

Tools and Technologies for Data Collection and Analysis in Agriculture

There are several tools and technologies available for farmers to collect and analyze agricultural data. The following are some of the most popular ones:Drones: Drones are unmanned aerial vehicles equipped with cameras and sensors that can capture high-resolution images and data about crops and fields. Drones can help farmers monitor crops, detect anomalies, and assess damage caused by pests, diseases, or weather events.

IoT devices: IoT devices are sensors, cameras, and other devices that are connected to the internet and can collect data about soil moisture, temperature, humidity, and other environmental variables in real time. IoT devices can help farmers monitor their crops and make timely decisions about irrigation, fertilization, and pest management.

Precision agriculture: Precision agriculture is a data-driven approach that uses GPS, drones, IoT devices, and other technologies to optimize crop inputs, reduce waste, and increase efficiency. Precision agriculture enables farmers to apply the right amount of fertilizer, water, and pesticides to each part of the field, depending on its specific needs.

Machine learning and AI: Machine learning and AI are technologies that enable computers to learn from data sets and make predictions and decisions. In agriculture, machine learning and AI can help farmers analyze vast amounts of data, such as weather patterns, soil health, and crop yields, to identify patterns and trends that can help them make better decisions.

 

Conclusion

In conclusion, the need for and importance of data in agriculture cannot be overstated. Data-driven practices can help farmers address the challenges they face, improve productivity and profitability, and contribute to global food security. The types of agricultural data, such as climate, soil, crop, and market data, are essential for farmers to make informed decisions about planting, harvesting, and managing their crops. The tools and technologies available for data collection and analysis, such as drones, IoT devices, precision agriculture, and machine learning, are critical for farmers to optimize their resources, reduce waste, and increase efficiency. Therefore, farmers and policymakers must embrace data-driven agriculture to achieve sustainable agriculture practices that benefit farmers, consumers, and the environment.

 

 

 

How GM Crops are Creating Better Yield and Higher Quality Crops

India needs to increase the production of essential food items like edible oils for its approximately 1.4 billion people, the second-largest population in the world. The previous fiscal year saw India spending a record $19 billion on vegetable oil imports. Before supplies could improve, the Russian invasion of Ukraine hampered imports and increased costs further.  

It is imperative for India to identify and implement effective farming practices because of its expanding population and decreasing arable land. According to scientists, India can benefit by adopting farming technologies like Genetically Modified (GM) crops to enhance food security and reduce reliance on imports.

INCREASING ADOPTION OF GM CROPS

Today, GM crops are planted in more than 30 nations. In some instances, adoption rates of GM crops have exceeded 95% without any adverse impact. Until recently, only cotton could be grown as a GM crop in India. 

The Indian government recently granted environmental approval for mustard that has been genetically modified (GM). The environmental release of the genetically modified mustard hybrid Dhara Mustard Hybrid (DMH-11) created by Delhi University for its seed production and testing before its commercial release was authorized by the biotechnology regulatory body Genetic Engineering Appraisal Committee (GEAC) in October 2022. 

With this development, India’s first food crop may be ready for commercial release in roughly two years. Using DMH-11 for commercial production could boost output over currently available conventional hybrids by 25–30%. This boost in output is likely to significantly increase the country’s oilseed production, which is now only about 1,200 kg/hectare compared to the average global yield of 2,000 kg/hectare

 

HOW GENETIC MODIFICATION ENHANCES CROP QUALITY AND YIELD

Because it can provide specific alterations in crop types that are extremely difficult to obtain through regular breeding of plant lines, GM is a highly beneficial technology. The scientific objective behind genetic alteration in DMH-11 was to make the mustard crop adaptable to hybridization. 

Hybrid plants produced by crossing genetically different parents show greater yields and adaptability. This phenomenon called heterosis, also known as hybrid vigor, has been extensively used in crops like maize, pearl millet, rice, sunflower, and many vegetables. Across all crops, hybrids produce 20–25% more yield than conventionally developed cultivars.  

Traditionally the rising demand for GM crops results from features like insect tolerance and herbicide tolerance. The excellent nutritional value, greater production, and longer shelf life of GM crops are further advantages. GM mustard on the other hand bring forth an efficient way to produce mustard hybrids by producing male sterile lines. All the different scientific breakthroughs generated via the genetic modification process could assist farmers in finding sustainable and profitable agricultural solutions while also ensuring the well-being of associated communities, animals, and the environment. 

 

ROLE OF RESEARCH INSTITUTIONS

Creating a favorable environment for our agricultural scientists to research biotech crop and develop improved crops, is in the best interests of consumers and farmers. As per recent reports, Indian institutions are developing genetically modified seeds for 13 different crops, including rice, wheat, and sugarcane, to increase their output and quality. These research initiatives include breeding GM crops for various features, including increased yields and tolerance to biotic and abiotic stress. The government-run Indian Council of Agricultural Research (ICAR) and other organizations are researching to create GM varieties of the potato, pigeon pea lentils, chickpeas, and bananas.

CONCLUSION

India has inherent advantages, and experts see enormous prospects for the agricultural potential to be unlocked with the appropriate technology, investment, and policies. Increased government funding for research and development of new seed varieties that are more durable and sustainable is required to safeguard the interests of farmers. 

Several factors, including the use of fertilizers, water availability, and soil health, influence the yield of a specific crop. Therefore, while promoting new solutions like GM crops, all other production aspects must also be taken into account. The government has invested heavily in specific farmer-centric programs; to support such programs, big infrastructure investments that improve soil, water, and general farming methods need to be prioritized. 

Moving forward, it is important for stakeholders and decision-makers to create an encouraging framework for the industry to invest in emerging technologies that could boost agricultural output. Collaboration with public sector organizations would be critical in the distribution of seeds to guarantee fair price and pan-India availability.

References:

  • https://indianexpress.com/article/opinion/columns/on-gm-follow-the-science-8341304/
  • https://www.business-standard.com/article/economy-policy/india-deeply-engaged-in-developing-gm-seeds-for-13-crops-122122300889_1.html
  • https://www.downtoearth.org.in/blog/agriculture/gm-mustard-need-to-address-economic-issues-of-using-the-crop-86802
  • https://indianexpress.com/article/cities/pune/heres-how-corteva-agriscience-is-looking-to-introduce-gm-seeds-in-india-8381442/

 

The Potential Impact of CRISPR on the World’s Food Supply Chain

Since the 2000s, floods have multiplied four-fold, and droughts have surged by over a third in a generation. Experts have predicted for a long time that crop failures can be aggravated by climatic variability, potentially leading to food shortages. This threat is especially true for drier conditions which can make crops susceptible to disease and pests. By 2050, the UN estimates, we’ll need to produce 50% more food to support the world’s expanding population. However, the majority of our prime farmland is already in use and suffers from the effects of over-use. Therefore, we must find a way to grow more food on the same or lesser land. 

 

AN EMERGING TECHNOLOGY, GENE EDITING CAN HELP DEAL WITH GLOBAL FOOD CHALLENGES

Scientists have been working on emerging technologies that can help improve desirable characteristics of a plant by leveraging its genetic code. Academic researchers and agri-businesses are modifying staple crops with revolutionary gene-editing technologies to make them more resilient to changing climate and address the growing worries about food security. CRISPR gene-editing technology, a new biological method for creating commercially valuable crop characteristics, has recently attracted scientific interest. Scientists expect CRISPR to improve environmental sustainability, food quality, and production. 

UNDERSTANDING THE POTENTIAL OF GENE EDITING AND CRISPR

Clustered Regularly Interspaced Short Palindromic Repeat, or CRISPR is a relatively recent method of modifying an organism’s genome. This powerful CRISPR technology enables scientists to change DNA sequences and adjust gene function in species more quickly. Gene-edited plants differ from the GMOs as they mostly do not have introduced DNA . Instead, many of the CRISPR-edited plants could appear naturally in nature — due to spontaneous mutations. This process not only makes obtaining regulatory approval easier, but it may also promote public acceptance, which is essential for making CRISPR-edited food acceptance for consumers. Here are some ways scientists are utilizing CRISPR to create healthier, more enticing, and more durable foods.

ENHANCED TOMATOES

Our brains naturally create the chemical Gamma aminobutyric acid (GABA), which could help treat high blood pressure, sleeplessness, and other health issues in addition to reducing stress and anxiety, according to research that has connected GABA to these effects. Now, people in Japan can enhance their GABA consumption without using supplements by consuming a gene-edited cultivar of tomatoes designed to generate less of an enzyme that degrades the fruit’s natural GABA.

SUPER GRAINS

Researchers from China and Germany deactivated a maize kernel-producing gene in corn using CRISPR technology – with an increase to 16 from 14 rows per ear, corn yields rose by 10%. A similar gene was silenced in rice, increasing yields by 8%.

IMPROVED MUSTARD

A leafy vegetable with lots of nutrients, mustard greens have fewer calories. Still, due to a reaction between two ingredients, they have a notably bitter flavor, which may deter some grocery shoppers from adding them to their carts. A food-tech company has created mustard greens with a softer taste by editing off one of the two bitterness-causing elements using CRISPR. 

NUTRITIOUS POTATOES

“Polyphenol Oxidases” (PPOs) cause the starches in a potato to react with the air when it is chopped or peeled, turning the flesh brown; this can reduce the potato’s nutritional value and make it appear less appetizing. In 2020, Argentine researchers shared that they had silenced using CRISPR a gene that triggers cells to make PPOs, leading to potatoes that brown slowly.

DISEASE-RESISTANT BANANAS

African bananas are susceptible to the bacterial disease banana xanthomonas wilt (BXW), which is particularly contagious. It has cost, the economy billions of dollars in losses over the last ten years and put millions of people’s jobs and food security in danger. Researchers in Kenya are using CRISPR to decrease the expression of specific genes that rise in infected banana plants, resulting in bananas that are resistant to BWX.

MOVING FORWARD

Latest developments in technology, genomic sequencing, and artificial intelligence have made it possible to significantly alter how plants have been grown in the last ten years. Using these technologies, we can strive toward producing enough food and fiber for everyone on the planet while ensuring that the environment and farming communities are well-cared for. Agricultural institutions and governments should collaborate to make science-based decisions to establish a direct road to market that is open to businesses and organizations of all sizes to maximize the benefits for all. 

7 ways CRISPR is shaping the future of food (freethink.com) 

https://www.fdli.org/2021/11/the-future-of-food-crispr-edited-agriculture/ 

https://www.nationalgeographic.com/environment/article/food-technology-gene-editing?loggedin=true&rnd=1670580715351 

https://www.eastmojo.com/environment/2022/10/30/future-food-depends-on-the-cutting-edge/ 

https://www.forbes.com/sites/forbescommunicationscouncil/2022/11/22/building-a-more-sustainable-food-system-through-technology/?sh=726b870fcfcc 

 

 

Gene Editing Can Help Generate Resilient Crops in Response to Climate Change

Our environment is a delicate balance of biodiversity and climate that respond of human interventions. Agriculture is most impacted by any changes in this balance and contributes the most to the environmental changes. Agriculture systems have been facing new environments that are changing faster than their rate of adaptation in different habitats and ecosystems. The ecological landscape is being substantially altered by warming temperatures and changing precipitation patterns, which in turn endanger the habitat of some plant and animal species. As a result of inclement weather conditions like drought, heat wave and flood the agricultural output has decreased and the world’s food supplies are impacted. Various warming scenarios are predicting a greater global drop in agricultural output.

 

THE CUTTING-EDGE TECHNOLOGY OF GENE EDITING COMES TO THE RESCUE

Gene editing is a powerful tool to help species adapt to climate change or lessen the consequences of climate change on agriculture in response to these difficulties.

Gene editing lets researchers to genetically alter specific locations in an organism’s genome. Compared to other plant breeding techniques, it is precise, quick, efficient, and less expensive. By enhancing features like increased nutrition, pest and disease resistance, and drought tolerance, editing technology enables us to improve the quality of crops. A few examples of recent gene editing research and applications that will help plants adapt better to climate change are listed below.

BUILDING TOLERANCE OF SALINITY IN RICE

Drought and salinity are two significant abiotic factors that influence rice, demanding an investigation into the possibilities of utilizing gene editing to develop resistant varieties. One such investigation involved using CRISPR/Cas9 to disable the rice gene OsRR22, which is linked to salt susceptibility. Edited rice plants performed better under high salt conditions without a drop in grain yield, plant biomass, or grain quality.

ENHANCING TOLERANCE FOR DROUGHT

The primary locations of water loss in plants are the stomata, which are anatomical structures on the surface of all agricultural plant tissues. Rice has been edited by focusing on stomatal growth to increase its resistance to drought and hot temperatures. In a specific study, rice lines with lower stomatal density showed encouraging yields in extreme drought and maintained lower temperatures. Thus, by lowering stomatal density through gene-editing methods, plants may be better able to withstand water shortages and likely be more tolerant to heat.

INCREASED DISEASE RESISTANCE IN RICE

Modeling two severe rice diseases in Tanzania, leaf blast and bacterial leaf blight, suggested that climate change may affect pests and diseases differently across geographies and time scales. A variety of rice diseases have responded very well to gene editing. To create OsSWEET13 knockouts, CRISPR/Cas9 was employed. SWEET family genes encode sucrose transporters that can be utilized by pathogens. This gene’s mutation significantly increased disease resistance.

VARIETIES OF SEMI-DWARF BANANAS

For efficient banana harvest and mechanized plant maintenance, experts recommend dwarf cultivars. The creation of a semi-dwarf type of banana has been aided by gene editing.  CRISPR/Cas9 was used to create knockouts of genes involved in making certain plant hormones that regulate various developmental processes.  Strong winds and storms are predicted to get worse due to climate change; this semi-dwarf variety may be more resilient to lodging and wind damage.

PROMOTIONAL EDITING FOR MAIZE DROUGHT TOLERANCE

Gene editing techniques can also assist knock-ins (gene insertion) in addition to producing knockouts. To boost drought tolerance in maize, scientists employed CRISPR/Cas9 to introduce a gene promoter in a particular region. ARGOS8, a gene linked to drought tolerance, was preceded by an alternative maize promoter. Greater grain production was made possible while sustaining yields under normal growth conditions because of this exact insertion.

DEVELOPMENT OF VIRUS RESISTANCE IN CUCUMBER

CRISPR/Cas9 was utilized to prevent viral infections by creating deletions in the eIF4e gene in cucumber. Reduced symptoms and viral buildup were seen in homozygous mutant lines that were resistant to papaya ringspot virus-W, zucchini yellow mosaic virus, and cucumber vein yellowing virus.

CONCLUSION

Gene editing techniques have created enormous possibilities for crops that can better withstand the effects of climate change. As discussed above, several gene editing initiatives have demonstrated promise in promoting climate resistance. Consequently, the use of advanced technology like gene editing in crop production is strongly recommended by several experts in the agriculture sector. According to scientists, gene editing can aid in developing robust crops to counteract the detrimental effects of climate change on agricultural production.

Climate change: Gene editing can help create resilient crops – Genetic Literacy Project

https://www.frontiersin.org/articles/10.3389/fsufs.2021.685801/full 

https://www.foodingredientsfirst.com/news/resilient-crops-on-the-horizon-after-uks-gene-editing-bill-progresses-to-house-of-lords.html 

https://www.ft.com/content/337ba132-cc33-42a9-9df3-cd53114200bc

 

 

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