氮磷钾配比
NPK ratio
application ratio of NPK fertilizer
nitrogen phosphorous and potassium goes together w
NPK-ratio
nitrogen phosphorous and potassium goes together with a ratio
ratio of N
P and K fertilizer
最佳氮磷钾配比
optimal proportion of NPK
氮、磷、钾肥
N P K fertilizer
N
P and K fertilizer
P and K fertilizers
Nitrogen
phosphate and potash fertilizers
Phosphorus and potassium
氮、磷、钾肥效
The effect of application of NPK
氮肥配比
rate of nitrogen fertilizer combination
N-fertilizer combination rate
氮钾肥比例
Ratio of fertilizer N to K2O
氮钾配比
Applying ratios of Nitrogen to potassium
氮磷钾肥
nitrogen-phosphorus-potassium fertilizer
Fertilizer
formula application
npk fertilizer
N-P-K fertilizer
N、P、K fertilizer
NPK
N
P
K fertilizer
P and K fertilizer
Nitrogen
Phosphate
Potassium fertilizers
nitrogen fertilizer
phosphate fertilizer and potassium fertilizer
氮磷钾配施
NPK fertilizer combination
Fertilization
NPK combination
combined application of Nitrogen
Phosphorus
Potassium
氮磷配比施肥
Ratio of N and P fertilizers
不同氮肥比例
ratio of nitrogen fertilizers
氮、钾配施
Combined application of N-K fertilizer
氮、磷、钾、锌配施
combined application of N
P
K and Zn