Effects of Fertilization on Facilities Pepper Yield in the South of Ningxia(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effects of Fertilization on Facilities Pepper Yield in the South of Ningxia

Author(s):: WU Xiao-li¹; MA Ting-hui¹; HAO Yong-zhen²; 1.College of Agriculture，Ningxia University，Yinchuan，Ningxia 750021;
2.Zhengning Forestry Farm of State-operated in Qingyang of Gansu,Qingyang,Gansu 745000

Abstract:: Taking Japan big pepper variety ‘Changjian’ pepper as test material,setting the single-factor amount test including nitrogen，phosphorus，potassium and organic fertilizer，the effects of organic fertilizer and fertilizers on the pepper yield in facilities were studied.The results showed that the quantity of production increased significantly under 600 kg/hm² of the nitrogen rates，till it reached to 1 200 kg/hm² the quantity of production decline extremely significant；when the organic fertilizer usage was under 30 t/hm²，the yield was almost linear，when over fertilization，the quantity of production increasing was slowing；when the P rates was under 150 kg/hm²，it got the highest yeild，and the yield won’t increase when P rates increases；the yield was the highest when K rates was under 300 kg/hm²，with the increase of K rates，the fertilizer damage increases，yield loss was rapidly.The best N level for high yield of pepper in facilities at the region was 600 kg/hm²，and the best K rates was 300 kg/hm²，the best P rates was 150 kg/hm²，the effect of quantity of production was obvious when using organic fertilizer.

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Last Update: 2014-08-30