不同肥力土壤
Soils with different fertility
长期土壤肥力试验
Long-term soil fertility experiment
耕作土壤肥力性状
Cultivated soil fertilizer trait
国家土壤肥力监测点
national soil fertility long-term monitoring sites
潜在土壤肥力
potential fertility of soil
提高土壤肥力
increasing of soil fertility
土壤肥力
Return of straws into soil
Soil fertili
soil fertilization
Fertility
the soil fertility
Soil nutrients
Activity
soil fertility level
enzyme activity
Soil nutrition
soil fertilizer
fertilization measure
soil fertility quality
Yield
fertility of soil
soil nutrient
integrative evaluation
Soil fertility
Nutrient of soil
sustainable productivity
Soil quality
土壤肥力保持价值
keep value on soil fertility
土壤肥力补给
soil fertility replenishment
土壤肥力等级
grades of the soil fertility
soil fertility levels
Regional fertilizer response model
土壤肥力恢复
soil recovery
recovery of soil fertility
土壤肥力评价
fertility evaluation
soil fertility evaluation
evaluation of soil fertility