Nitrogen in soil crops and fertilizers
Ghosh, A.B.
Nitrogen in soil crops and fertilizers - New Delhi 1984 - 1-520 p. - Nitrogen, Soil, Crops, Fertilizer Indian Society of Soil Science. Bulletin No. 13 .
Nitrogen in soil crops and fertilizers - New Delhi 1984 - 1-520 p. - Nitrogen, Soil, Crops, Fertilizer Indian Society of Soil Science. Bulletin No. 13 .