Long-term soil fertility experiments in rice-wheat cropping systems edited by I.
Long-term soil fertility experiments in rice-wheat cropping systems edited by I.
- New Delhi Rice-Wheat Consortium for the Indo-Gangetic Plains 2000
- 171p.
- Rice-Wheat Consortium Paper Se .
633.18:633.11:631.452:631.58
633.18:633.11:631.452:631.58