
Effect of nitrogen and phosphorus levels on uptake by cowpea (Vigna unguiculata (L.) Walp) and residual N, P and K content in soil
Author(s) -
H. P. Verma,
P. K. Chovatia,
R. C. Sanwal
Publication year - 2015
Publication title -
asian journal of soil science/asian journal of soil science
Language(s) - English
Resource type - Journals
eISSN - 0976-7231
pISSN - 0973-4775
DOI - 10.15740/has/ajss/10.1/173-175
Subject(s) - vigna , phosphorus , nitrogen , agronomy , residual , zoology , biology , chemistry , mathematics , organic chemistry , algorithm