搜索结果: 1-4 共查到“农学 crop residues”相关记录4条 . 查询时间(0.079 秒)
Eff ect of crop residues on CO2 fl ux in the CTF system during soil tillage by a disc harrow Lemken Rubin 9
carbon dioxide emissions from the soil controlled traffi c farming soil compaction
2014/2/24
Carbon dioxide is one of the most important greenhouse gases. Agriculture, especially soil tillage, contributes to CO2
emissions signifi cantly. h e aim of the paper was the comparison of the a...
Mineralization of nitrogen from 15N labeled crop residues at varying temperature and clay content
Rice and wheat residues straw N-mineralization immobilization
2011/2/22
A laboratory incubation experiment was carried out for 85 days to monitor the N mineralization during the decomposition of 15N labeled wheat and rice straws incorporated at 5 g kg-1 soil at varying te...
Potential of farm-produced crop residues as protein sources for small-medium yielding dairy cows
Crop residues energy digestible microbial protein sunflower
2009/3/3
The nutritive value of fifteen crops and by-products were investigated in terms of the protein and energy value for rumen microbial protein synthesis using in-situ and mobile bag techniques. The sun...
Operational effects of implements on crop residues in soil tillage operations
soil tillage crop residues quality of tiller operation
2014/2/28
After spring barley harvest the operational effects of tillers and seed drill on spring barley residues were evaluated in two variants of cultural operations. Generally low values of soil surface cove...