农田养分平衡
nutrient balance
Farmland nutrient balance
养分平衡
Equilibration of nutrient
Balance of nutrient
Nutrition balance
Nutrient equilibrium
Plant nutrient balance
apparent balance
nutrients budget
The balance of input and output
Nutreint balance
Nutricrt balance
nutrient absorption
Nutrient balances
nutrient balance and regulation
Nutrients balance
nutrient balance
The nutrient is equilibrium
等分平衡法
method of making the rock equational and balanced
多树水分平衡法
Water balance measurement of multiple-trees
土壤水分平衡法
Soil water balance equation
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