Organic farming
Palaniappan, S.P. and Annadurai, K.
Organic farming theory and practice S.P. Palaniappan and K. Annadurai - Jodhpur Scientific Publishers (India) 1999 - 257p.
Organic farming
631.147 / P171O
Organic farming theory and practice S.P. Palaniappan and K. Annadurai - Jodhpur Scientific Publishers (India) 1999 - 257p.
Organic farming
631.147 / P171O