氮磷鉀養分在植物體內的循環形式
Soil Water Characteristic Estimates by Texture and Organic Matter for Hydrologic Solutions
Cattle manure and lime amendments to improve crop production of acidic soils in northern Alberta
調虧灌溉技術
Water and Irrigation Productivity Training, Mbeya Peak Hotel, May 2004. RIPARWIN Project
Cover crops impact on soil quality and crop yield
《節水灌溉技術規范(SL207—98)》分總則、工程規劃、灌溉水源、灌溉用水量、灌溉水的利用系數、工程與措施的技術要求、效益、節水灌溉面積,共8章40條和2個附錄。