Proceedings
Indian Society of Soil Science
Proceedings Non-Symbiotic Nitrogen fixation and organic matter in the tropics - New Delhi Indian Society of Soil Science 1981 - 166 p. - Transactions of the 12th International Congress of .
Vol. 4 : Destrification and soils policy
Soil Science
Destrification
631.4(063) / I61P
Proceedings Non-Symbiotic Nitrogen fixation and organic matter in the tropics - New Delhi Indian Society of Soil Science 1981 - 166 p. - Transactions of the 12th International Congress of .
Vol. 4 : Destrification and soils policy
Soil Science
Destrification
631.4(063) / I61P