Newsletter with papers about CA World Congress : New Delhi Declaration on Conservation Agriculture (CA), paper of K.L. Chadha about CA and horticulture Systems, paper of Rattan Lal about Principles of sustainable soil management
Newsletter with papers about CA World Congress : New Delhi Declaration on Conservation Agriculture (CA), paper of K.L. Chadha about CA and horticulture Systems, paper of Rattan Lal about Principles of sustainable soil management