Non-symbiotic nitrogen fixation and organic matter in the tropics symposia papers - 1
Non-symbiotic nitrogen fixation and organic matter in the tropics symposia papers - 1 Proceedings - New Delhi Indian Society of Soil Sciences, Divsiion of Soil Science and Agricultural Chemistry, Indian Agricultural Research Institute 1986 - 266p.
Non-symbiotic nitrogen fixation and organic matter in the tropics symposia papers - 1
Proceedings
International
Congress
Soil Science
631.4(063)(54) / I61P