International symposium on soil fertility evaluation proceedigns v.1
Biswas, T.D.
International symposium on soil fertility evaluation proceedigns v.1 T.D. Biswas - 1st ed. - New Delhi Indian Agricultural Research Institute 1971 - xvi, 1117 p.; 24cm.
631.4 INTE
International symposium on soil fertility evaluation proceedigns v.1 T.D. Biswas - 1st ed. - New Delhi Indian Agricultural Research Institute 1971 - xvi, 1117 p.; 24cm.
631.4 INTE