ABSTRACT
The study area belongs to Yuanyang county, Henan province. The location between the geocoordinate 34°53′∼35°05′ North latitude, and 113°34′∼113°52′ East longitude. The warm temperate zone and continental monsoon climate zone, at the Yellow River communist-held, Soil type is sandy soil, the nutrient is lower, and pH value is alkali (7.5∼8.5), the average content of organic matter, effective nitrogen, effective phosphorus were 8.79%, 20.53 mg/kg, 2.75 mg/kg, respectively.
