Optimization of Spraying New-type Water-soluble Fertilizers in Peanuts Production Based on Grey Relational Analysis Model
By experimenting with different types of water-soluble fertilizers in peanuts production,the application effects were acquired and the appropriate fertilizers were screened out.Using grey relational analysis model,application effects of six different types of fertilizers in peanuts production were evaluated,and the following conclusions were reached.Firstly,from the perspective of yields,the effect of water-soluble fertilizers containing microelements was proved to be the best,and increasing extent reached 10.11%.Secondly,from the perspective of impacts on peanuts' biological properties,the comprehensive effects of water-soluble fertilizers plus microelements and water-soluble fertilizers plus nitrogen,phosphorus and potassium were better,while water-soluble fertilizer with amino-acids,water-soluble fertilizer with alginate and water-soluble fertilizer with humic-acids were capable of improving peanuts' properties to some degree.Thirdly,from the perspectives of yields,biological properties and economic benefits,water-soluble fertilizers in combination with microelements,water-soluble fertilizers with nitrogen,phosphorus and potassium and water-soluble fertilizer with amino-acids were recommended.
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