1. Bhat AK, Beri V, Sidhu BS (1991) Effect of long term recycling of crop residues on soil productivity. J Indian Soc Soil Sci 39(2):380–382
2. Dhillon KS, Dhillon SK (1991) Effect of crop residues and P levels on yield of groundnut and wheat grown in a rotation. J Indian Soc Soil Sci 39:104–108
3. Karchoo D, Dixit AK (2005) Residue management practices using fly ash and various crop residues for productivity of rice (Oryza sativa)—wheat (Triticum aestivum) cropping system under limited moisture condition. Indian J Agron 50(4):249–252
4. Das K, Medh N, Guha B (2001) Recycling effect of crop residues with chemical fertilizers on physico-chemical properties of soil and rice (O. sativa). Indian J Agron 46(4):648–653
5. Dwivedi DK, Thakur SS (2000) Production potential of wheat (T. aestivum) crop as influenced by residue organics, direct and residual fertility levels under rice-wheat cropping system. Indian J Agron 45(4):641–647