Journal of Northern Agriculture ›› 2009, Vol. ›› Issue (3): 29-29.

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Fertilizer Efficiency Experiment of Nitrogen, Phosphorus and Potassium Fertilizer on Confectionary Sunflower

WEI Gu-ning (Original State Technique Praises and Admires the Central,Guyuan 756000,China)   

  • Online:2009-06-20 Published:2009-06-20

Abstract: The original state Qingshui river basin is the edible sunflower's host plants. In recent years the edible sunflower planter surface is year by year big, already exhibition to nearly 1.33ha.What through to edible sunflower Shi Dan,the phosphorus, the potassium manure trial, obtains in the edible sunflower life to be biggest to the nutrient demand is the nitrogenous fertilizer, the nitrogen,the phosphorus,the potassium coordination employment effect is better; The nitrogen,the phosphorus coordination employment surpasses the nitrogen,the potassium coordination;The nitrogen,the potassium coordination employment surpasses the phosphorus,the potassium coordination;This test result,north original state area in Sichuan water edible sunflower production,In the soil medium fertility,the period of duration most little has two above times irrigates the condition the land parcel,processing which and Shi Dan,the potassium processing the nitrogen, the phosphorus,the potassium execute achieves the remarkable level, the output reaches 246.04kg/667m^2 ;With Shi Lin,the potassium and do not apply fertilizer processing to achieve the extremely remarkable level.

CLC Number: 

  • S565.5