long term fertilization 第1页

Phosphorus distribution and leaching in loessial soil profile with long-term fertilization under irrigation and rainfed condition Variation characteristics of maize yield and fertilizer utilization rate on an upland yellow soil under long term fertilization. Changes of crop yields and soil fertility under long-term application of fertilizer and recycled nutrients in manure on a black soil Temporal and spatial dynamics of enzyme activities under long-term fertilization in a maize growing brown soil Effect of long-term fertilization on nutrient distribution in profiles of black loessial soil Effect of long-term fertilization on the forms of inorganic phosphorus in calcareous fluvo-aquic soil Effect of long-term fertilization on crop yield and soil fertility in the high yield area of plain at the foot of Yanshan Effects of long-term fertilization on organo-mineral complex status in soils