1. Residue management and tillage effects on soil-water storage and grain yield of dryland wheat and sorghum for a clay loam in Texas;Baumhardt;Soil&Tillage Research,2002
2. Effect of the super water-absorbent polymers Kehan 98 on winter wheat physiology characteristic and yield;Ding;Triticeae Crops,2004
3. The ecological effects of plastic-mulched culture on the summer maize;Duan;Agricultural Research in the Arid Areas,2003
4. Multiple ranges and multiple F-test;Duncan;Biometric,1995
5. Maize growth responses to deep tillage, straw mulching and farmyard manure in coarse textured soils of NW India;Gajri;Soil Use Manage,1994