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- Title
Productivity, economics and soil fertility of soybean - safflower cropping system in response to nutrient management practices.
- Authors
Padmavathi, P.; Murthy, I. Y. L. N.; Suresh, M.
- Abstract
A field experiment was conducted to study the effect of nutrient management practices on the performance of soybean - safflower sequence in Vertisols. The safflower equivalent yield (2418 kg/ha-1; gross returns (Rs. 53196/ha-1); net returns (Rs 33734/ha-1) and B:C ratio (2.8) were significantly superior either with the application of NPK to the system + 5 t FYM/ ha to safflower; or NPK to the system + soybean residues to safflower; or NPK to the system + both crop residues. Similar trend was also observed with respect to soil health indicators viz., soil respiration (108 μg C/g soil/10 days), microbial biomass C (284 μg C/g soil), microbial biomass N (41.9 μg N/g soil), mineral N (13.8 μg N/g soil) and net N mineralization (5.4 μg N/g soil/ 10 days). Significant improvement was observed in terms of PGPR and Trichoderma sp were found when NPK + crop residues were applied to the system.
- Subjects
SOIL fertility; SOYBEAN; SAFFLOWER; VERTISOLS; SOIL respiration; NITROGEN in soils
- Publication
Legume Research: An International Journal, 2016, Vol 39, Issue 4, p572
- ISSN
0250-5371
- Publication type
Article
- DOI
10.18805/lr.v0iOF.11186