C02施肥
CO2 fertilizer application
NDSA施肥法
NDSA fertilization method
NP配比施肥
matching of N and P application
饱和铵贮库施肥
nitrogen depot with saturated ammonium NDSA fertil
比例施肥装置
proportion fertigation device
变量播种施肥
variable rate seeding and fertilization
变量施肥
Variable rate fertilization
variable rate application of fertilizer
variable fertilization
variable input of fertilizer
variable-rate nitrogen fertilization application
Variable nitrogen application
Variable-rate fertilization
Variable Rate fertilizing
变量施肥辅助决策系统
the auxiliary decision system for variable-rate fertilization
变量施肥机
Variable rate fertilizer applicator
变量施肥机具的设计
Design of Variable Rate Fertilizer Applicator
播种施肥机
Sowing and fertilizer machine
fertilizer-and-seeder