Report on the findings of field experiments and practical demonstrations on fertiliser use conducted by the ENSP, India, 1968-1971 /ENSP. - New Delhi: ENSP, 1971 - 28p. Subjects--Topical Terms: Agriculture Subjects--Index Terms: Rabi Kharif Universal Decimal Class. No.: 631.82/.86.004.15:633 / L0;1