The Effect on Sod Activity and Protein Content in Groundnut Leaves by Drought Stress Effects of seed-dressing agents on groundnut and rhizosphere microbes STUDY ON THE ASCENDENT CRABGRASS‘‘ ECO-ECONOMIC THRESHOLD MODEL AND ECO-ECONOMIC CONTROL THRESHOLD MODEL IN SUMMER GROUNDNUT FIELD Researches on Bi-directional N transfer between the intercropping system of groundnut with rice cultivated in aerobic soil using 15N foliar labelling method Studies on the Nitrate Reductase Activity (NRA) and the Nitrogenase Activity (NA) in the Nodules of Groundnut (A.hypogaea L.) 32P TRANSFER VIA VA MYCORRHIZAL HYPHAE LINKS BETWEEN ROOTS OF RED CLOVER