Effect of phosphorus and zinc on nodulation and nitrogen fixation in chickpea ( Cicer arietinum L.)[J] . U. C. Shukla,O. P. Yadav.Plant and Soil . 1982 (2)
Effect of phosphorus and zinc on nodulation and nitrogen fixation in chickpea ( Cicer arietinum L.)[J] . U. C. Shukla,O. P. Yadav.Plant and Soil . 1982 (2)