土壤速效养分
Soil available nutrients
Available nutrient of soil
Available nutrients in soil
soil available nutrient
Soil available nutrition
soil fast nutrient
土壤速效养分状况
soil available nutrient status
提高有效养分利用率
raising efficiency of nutrients
土壤有效养分
available nutrient of soils
Soil available nutrients
Available nutrient of soil
soil available nutrient
Available nutrients
Available nutrients in soil
土壤有效养分系数
soil available nutrient coefficient
有效养分浓度区间
effective nutrient concentration range
有效养分校正系数
available nutrient correct coefficient
区域养分分配
Nutrients distribution in various zones
水分养分运移
dynamics of water and nutrient
土壤养分分布
soil nutrient distribution
土壤养分分布图
soil nutrients distribution map
土壤养分分级
classification for soil nutrition
养分分布格局
nutrition distribution pattern
nutrients distribution pattern