分层施肥
Fertilizer application with different depths
Separated-layer fertilization
分层施肥播种
layered fertilization and sowing
分层施肥与供水
Localized fertilization and irrigation
全层施肥
whole layer placement of fertilizer
Whole layer fertilization
深层施肥
deep placement of fertilizer
深层施肥机
Underground fertilizer application
Ammonia applicator
deep plow
fertilizer deep applicator
深层施肥机构
deep fertilization mechanism
一次性全层施肥技术
the whole plough layer basal fertilization techniq
一次性双层施肥
One-off double-layer fertilization
组合式下位分层施肥
combined low-position layered fertilization
化肥施肥机
chemical manure fertilizing machine
《世界表层环流图》
General Surface Current Circulation of the World