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Bio - Fertilizers and Crop Productivity Reprinted from Advances in Soil Science Vol. 1, 127-178, 1983

Models and Modelling for Soil Text Crop Response Interpretation and Fertilizer Recommendations

Models and Modelling for ...

K.D. Singh

Our Price: $ 10.44

Organic Farming Theory and Practices,8172335385,9788172335380
13 %

Organic Farming Theory an ...

S.P. Palaniappa ...

List Price: $ 25.00

Our Price: $ 21.74