Acta Agrestia Sinica
Effect of Long-term Fertilization on the Soil Water and Nutrient Contents of Rainfed Wheat and Alfalfa lands in Loess Plateau
CHEN Lei, HAO Ming-de, ZHANG Shao-min, GAO Chang-qing
. 2007, (4): 371 -375 .  DOI: 10.11733/j.issn.1007-0435.2007.04.015