the National Key Technologies R&D Program of China during the 1 lth Five-Year Plan Period(2006BAD02A15,2007BAD89B01);the National Natural Science Foundation of China(30471010).
In order to improve the water use efficiency under conservation tillage, the effects of subsoiling on soil moisture under notillage were studied. An experiment of 40 cm subsoiling in a field kept under no-tillage for ...