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Keyword [NPK ratios]
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1. Effects Of Fertilizers Of Diferent NPK Ratios And Applying Times On The Yield And Quality In Pitaya
2. Effects Of Different Conbination Ratios Of N,P And K Fertilizer On Growth,Yield And Quality Of Luntai Armeniaca Vulgaris
3. Effects Of Different NPK Ratios Of Controlled-release Fertilizer On Yield And The Main Agronomic Characters Of Maize
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