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Mechanized urea spraying system for balers to enhance the nutritional quality of straw: a step to prevent straw burning


Affiliations
1 ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, India, India
2 ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru 560 030, India, India
 

A large portion of unused crop residues is burnt in the fields primarily to clear the left-over straw and stubbles after the combine harvest. Studies have reported several ill effects of crop-residue burning on soil orga­nic carbon and fertility, including reduction in productivity in the long term, environmental pollution and human health. It also produces greenhouse gases causing global warming. Rice and wheat produce large amounts of residue in India. Non-availability of labour, the high cost of residue removal from the field and the increasing use of combines in harvesting the crops are the main reasons for burning crop residues in the fields. Rice straw is unsuitable animal feed due to its high silica content and wheat straw for due to its hard stem and difficulty chewing in unchopped form. Using supplements like urea and is feeding straw sprayed with urea improves its nutritive value and intake. We have developed a mechani­zed baler equipped with a urea spraying system for spraying urea during baling operations on crop residues (paddy or wheat straw) to enhance their nutritional value. The developed system was evaluated in combine a harvested wheat residue field and nutritional analysis was performed. The crude protein in untreated wheat straw increased from 3.68% to 10.10% after urea treatment. The metabolizable energy was also found to improve by 3% compared to untreated straw. Thus, urea-treated bales have potential use in dairy farming

Keywords

Combine harvest, crop residues, mechanized straw baler, nutritional value, urea treatment.
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  • Mechanized urea spraying system for balers to enhance the nutritional quality of straw: a step to prevent straw burning

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Authors

Satya Prakash Kumar
ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, India, India
Dilip Jat
ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, India, India
S. B. N. Rao
ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru 560 030, India, India
M. Chandrasekharaiah
ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru 560 030, India, India
K. P. Singh
ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, India, India
P. C. Jena
ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, India, India

Abstract


A large portion of unused crop residues is burnt in the fields primarily to clear the left-over straw and stubbles after the combine harvest. Studies have reported several ill effects of crop-residue burning on soil orga­nic carbon and fertility, including reduction in productivity in the long term, environmental pollution and human health. It also produces greenhouse gases causing global warming. Rice and wheat produce large amounts of residue in India. Non-availability of labour, the high cost of residue removal from the field and the increasing use of combines in harvesting the crops are the main reasons for burning crop residues in the fields. Rice straw is unsuitable animal feed due to its high silica content and wheat straw for due to its hard stem and difficulty chewing in unchopped form. Using supplements like urea and is feeding straw sprayed with urea improves its nutritive value and intake. We have developed a mechani­zed baler equipped with a urea spraying system for spraying urea during baling operations on crop residues (paddy or wheat straw) to enhance their nutritional value. The developed system was evaluated in combine a harvested wheat residue field and nutritional analysis was performed. The crude protein in untreated wheat straw increased from 3.68% to 10.10% after urea treatment. The metabolizable energy was also found to improve by 3% compared to untreated straw. Thus, urea-treated bales have potential use in dairy farming

Keywords


Combine harvest, crop residues, mechanized straw baler, nutritional value, urea treatment.

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DOI: https://doi.org/10.18520/cs%2Fv123%2Fi11%2F1381-1386