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- Crop residues are materials left on cultivated land after the crop has been harvested. Retention of crop residues after harvesting is considered to be an effective antierosion measure. Crop residues can improve soil structure, increase organic matter content in the soil, reduce evaporation, and help fix CO2 in the soil.
www.sciencedirect.com/topics/earth-and-planetary-sciences/crop-residue - People also ask
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See all on WikipediaCrop residues are waste materials generated by agriculture. The two types are: Field residues are materials left in an agricultural field or orchard after the crop has been harvested. These residues include stalks and stubble (stems), leaves and seed pods. Good management of field residues can increase efficiency … See more
Crop residues can be used effectively in many ways:
• Biofertilizer: Most discussions about the economic value of crop residues focus on the equivalent … See moreBecause of the high carbohydrate content, crop residues can be considered as an appropriate feedstock to produce biofuels. Some algorithms have been developed to estimate the … See more
The efficiency of nutrient uptake by crops from fertilizers or residue release is generally thought to be similar. For example, about 50 percent recovery of N in the above … See more
Nutrients in most crop residue are not immediately available for crop use. Their release (called mineralization) occurs over a period of years. … See more
Wikipedia text under CC-BY-SA license Agricultural waste are plant residues from agriculture. These waste streams originate from arable land and horticulture. Agricultural waste are all parts of crops that are not used for human or animal food. Crop residues consist mainly of stems, branchs (in pruning), and leaves. It is estimated that, on average, 80% of the plant of such crops consists of agricultural waste.
The four most commonly grown agricultural crops worldwide are sugarcane, maize, cereals an…Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 8 mins
WEBApr 4, 2014 · Crop residue serves an important role in physically protecting soil by preventing soil erosion during rain events or high winds. Also, crop residue plays a significant role in enhancing the soil biological …
WEBApr 1, 1999 · Crop residues represent substantial global stores of fiber, energy, and plant nutrients, even when they are compared with the largest commercial sources of these commodities—wood pulp, fossil fuels, and synthetic fertilizers. Residue composition is dominated by cellulose, hemicellu-lose, and lignin (Barreveld 1989).
Crop Residue Management | Crop Science US
WEBJun 27, 2021 · High amounts of crop residue (more than 40 percent) can reduce soil loss from water erosion by 80 percent. Even a small amount of residue cover (10 percent) can reduce erosion losses by 20 percent. 1 Additionally, residue maintains soil moisture, improves soil tilth and quality, reduces nutrient runoff, and provides wildlife cover.
WEBJul 2, 2021 · Crop residues are carbon-rich materials that contain much nitrogen, phosphorus, potassium and microelements. Crop residue input is a sustainable way of improving soil quality without disturbing its biological balance.
WEBOct 30, 2013 · Crop residues are materials left on cultivated land after the crop has been harvested. Retention of crop residues after harvesting is considered to be an effective antierosion measure. Crop residues can improve soil structure, increase organic matter content in the soil, reduce evaporation, and help fix CO2 in the soil.
WEBSep 15, 2023 · Humberto Blanco & Rattan Lal. 408 Accesses. 1 Citations. Abstract. Managing crop residues is of paramount importance for soil and water conservation (Fu et al. 2021). Crop residues include leaves, stalks, cobs, roots, and other plant parts. In other words, crop residues include all that is left in the field after grain harvest.
WEBMore than five billion metric tons of agricultural residues are produced annually worldwide. Despite having multiple uses and significant potential to augment crop and livestock production, a large share of crop residues is burned, especially in Asian countries.
WEBNov 24, 2020 · Crop residue management is a well-known and widely accepted practice for controlling various soil physical, chemical, and biological functions. Crop residues incorporate a large number of …
Management of crop residues with special reference to the on …
WEBJul 1, 2022 · Abstract. Crop residues (CRs) are defined as the plant parts left in the field after harvesting the economic part of the agricultural crops. Every year a huge quantity, more than 5 billion mega grams of the agricultural residue is produced globally.
Crop residue management_GENERAL - IMAP - EC Public Wiki
WEBCrop residue management is the handling of stems, leaves, chaff and husks that remain in the fields after crops are harvested for grain, seed or fiber. Main strategies for crop residue management involve residue retention at the surface, residue incorporation into the soil and rice residue burning.[2] Key descriptors:
Crop Residue - A Valuable Resource | Agricultural Marketing …
WEBCrop residue, traditionally considered as “trash” or agricultural waste, is increasingly being viewed as a valuable resource. Corn stalks, corn cobs, wheat straw and other leftovers from grain production are now being viewed as a resource with economic value.
Residue-to-product ratio - Wikipedia
WEBIn climate engineering, the residue-to-product ratio (RPR) is used to calculate how much unused crop residue might be left after harvesting a particular crop. Also called the residue yield or straw/grain ratio, the equation takes the mass of residue divided by the mass of crop produced, and the result is dimensionless. [1]
A global dataset for the production and usage of cereal residues …
WEBOct 9, 2023 · Crop residue management plays an important role in determining agricultural greenhouse gas emissions and related changes in soil carbon stocks. However, no publicly-available global dataset...
Crop residue management challenges, opportunities and way …
WEBApr 1, 2023 · Add to Mendeley. https://doi.org/10.1016/j.still.2023.105641 Get rights and content. Highlights. •. Multi-dimensional negative impacts of residue burning on natural resources. •. Surface retention of residue suitable for cereal, sugarcane, pulses and oilseed crops. •. Conventional/reduced tillage led residue recycling suitable for leguminous crops.
WEBSummary of Findings. The 2011 Billion-Ton Update estimates potential supplies of agricultural crop residues and wastes under different yield, tillage, and feedstock farmgate prices. The largest quantities of agricultural residues and wastes are from the major commodity crops. Under baseline assumptions, there are currently about 111 million and ...
Estimation of crop residue production and its ... - ScienceDirect
WEBApr 1, 2024 · Crop residue retention (RR) is the demand of conservation agriculture (with principles of minimum soil disturbance, permanent soil cover, and crop rotation), which has been adopted globally due to its reduced labor requirements and CE and its ability to increase soil fertility and CS (Prestele et al., 2018; Lal, 2015).
Pesticide residue - Wikipedia
WEBPesticide residue refers to the pesticides that may remain on or in food, after they are applied to food crops. The maximum allowable levels of these residues in foods are stipulated by regulatory bodies in many countries. Regulations such as pre-harvest intervals also prevent harvest of crop or livestock products if recently treated in order ...
Crop Residue Management in Sustainable Agriculture
WEBMay 4, 2023 · Crop residues refer to the plant materials left on the field after harvest, such as stalks, leaves, and stems. The way in which farmers manage these residues can have a significant impact on the environment and the productivity of the land. The role of crop residue management in sustainable agriculture is crucial.
Crop - Wikipedia
WEBA crop is a plant that can be grown and harvested extensively for profit or subsistence. In other words, a crop is a plant or plant product that is grown for a specific purpose such as food , fibre, or fuel .
Statement on the toxicological properties and maximum residue …
WEB6 days ago · The present mandate (Ref. Ares (2023)6354306 of 20 September 2023) 10 is an extension of the mandate received in July 2022 (Ref. Ares (2022)5466053 of 29 of July 2022) by which EFSA was requested to deliver a scientific output including its advice on the toxicological properties of acetamiprid and its metabolites, and the outcome of the MRL …
Stubble burning - Wikipedia
WEBAfter 1 tonne of crop residue is burnt in a field there is a release of 1,400 kg of carbon dioxide, 58 kg of cobalt, 11 kg of particulate matter, 4.9 kg of nitrogen oxides, and 1.2 kg of sulfur dioxide.
Weed - Wikipedia
WEBHistory It has long been assumed that weeds, in the sense of rapidly-evolving plants taking advantage of human-disturbed environments, evolved in response to the Neolithic agricultural revolution approximately 12,000 years ago. However, researchers have found evidence of "proto-weeds" behaving in similar ways at Ohalo II, a 23,000-year-old …
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