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