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Bio-Efficacy and Residue Studies of Herbicides in Soybean-Wheat Cropping System

CSK Himachal Pradesh Agricultural University Repository

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Relation http://hillagricrepository.co.in/797/
 
Title Bio-Efficacy and Residue Studies of Herbicides in Soybean-Wheat Cropping System
 
Creator Chander, Navell
 
Subject 635.5 Salad Greens
 
Description An ever growing population and escalating input costs have enforced farmers to harvest maximum from their farmlands. At the same time they must have to adopt economically viable cropping systems to survive. Among various cropping systems prevalent in north India, maize-wheat is most popular particularly in hilly rainfed areas. Both, maize and wheat are heavy feeders, and exhaust the soil nutrients to the maximum. This turns the soil depleted for succeeding crop. The depletion of nutrient stocks in soil is often a hidden form of land degradation which requires improvement in plant nutrient management. In fact, soil nutrient supply is improved when crops with relatively high nutrient demands are rotated with crops leaving relatively high amount of residues containing substantial amount of nutrients. Soybean is one crop, which builds up the soil fertility by atmospheric nitrogen fixation through the root nodules and also through leaves falling on the ground at maturity. It leaves residual nitrogen equivalent to 35 to 40 kg per hectare for the succeeding crop (Chandel et al., 1989). Soybean has the ability to perform well under a wide range of soil types and planting dates. The symbiotic relationship between soybean and rhizobium reduces production costs and makes soybean a good rotational crop for use with high nitrogen-consuming crops (Varvel and Peterson 1992). This new cropping system provides them that tool.
 
Date 2011
 
Type Thesis
NonPeerReviewed
 
Format text
 
Language en
 
Identifier http://hillagricrepository.co.in/797/1/NAVELL%20CHANDER.pdf
Chander, Navell (2011) Bio-Efficacy and Residue Studies of Herbicides in Soybean-Wheat Cropping System. PhD thesis thesis, CSKHPKV Palampur.