Proceedings of the international symposium on soil test crop response correlation studies
Proceedings of the international symposium on soil test crop response correlation studies 
Editorial board: M.A. Mannan, A.K.M. Habibullah and Sam Portch. 
 - Dhaka :  Commission iv of International Soil Science Society, 
 - xxx, 675 p. :  ill. ;  21 cm. 
Soil science.
Soil test.
Crops.
631.4 / MAS
                        Soil science.
Soil test.
Crops.
631.4 / MAS
