-
1
NPK in Indian agriculture, - : a bibliography of nitrogen, phosphorus, potassium and related factors in crops, soils and manures
Other Authors: “…Tandon, H.L.S., comp…”
Book -
2
Nitrogen in Indian agriculture (1961-70) : a bibliography of N, NP, NK, NPK and other related factors
Published 1972Other Authors: “…Tandon, H.L.S., comp…”
Book
