Effect of Potassium Dosage on Greenhouse Pepper and Production Efficiency(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Potassium Dosage on Greenhouse Pepper and Production Efficiency

Author(s):: WANG Li1; SUN Lifang2; （1.Yinchuan Agricultural and Technical Extension and Service Center，Yinchuan，Ningxia 750011；2.Experimental Center of Forestry in North China，Chinese Academy of Forestry，Beijing 102300）

Abstract:: Taking greenhouse pepper as the experimental material，using the method for different gradient of potassium application dosage，the effect of potassium application dosage on growth index，yield and economic profits of greenhouse pepper was studied to provide basis for efficient production of pepper in Ningxia.The results showed that when the content of potassium oxide below 300 kg?hm-2，potassium fertilizer had a certain effect on the growth of pepper，as well as increasing production obviously.The relationship between potassium dosage and hot pepper production showed a parabolic distribution，the yield of pepper increased with the increase of the amount of potassium when the content of potassium oxide below 300 kg?hm-2，the highest yield of potassium fertilizer in the area was 315.4 kg?hm-2,the maximum economic profits of potassium dosage was 177.5 kg?hm-2 by potash and hot pepper prices was comprehensive analysed.

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Last Update: 2016-08-16