Effect of Planting Density,Seedling Age and Additional Fertilizer on Growth,Yield and Economic Benefits of Sweet Pepper in Greenhouse(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Planting Density,Seedling Age and Additional Fertilizer on Growth,Yield and Economic Benefits of Sweet Pepper in Greenhouse

Author(s):: CUI Congcong; WANG Xiuzhi; MENG Lingqiang; ZHANG Xiaomei; QU Baoru; LI Jie; Chifeng Academy of Agricultural and Animal Husbandry Sciences,Chifeng,Inner Mongolia 024031

Keywords:: sweet peppers; density; seedling age; fertilizing quantity; yield

Abstract:: To screen the high yield techniques for the new cultivar Capsicum annuum L.Hongmeiren over summer cultivation in plastic greenhouse,the effect of planting densities（667 m2 planling density 3 000-3 900 plants）,seedling age （50-71 days）and 667 m2 fertilizing quantity（0-40 kg）on the growth,yield and economic benefits were analyzed through L16（43） orthogonal test.The results indicated that morphological and fruit characteristics of sweet pepper had different influencing factors.The variation ages of sweet pepper seedlings had significant effect on vegetative growing stage and had no significant effect on the fruit characteristics and yield.It was recommended that the age of sweet pepper seedlings was 57 days.The plant density and fertilizer levels had significantly affected fruit setting(FS),mean fruit weight (MFW) and yield of sweet pepper.The highest MFW was obtained by treatment of 667 m2 planting density 3 300 plants;seedling age,50 days;667 m2 fertilizing quantity,40 kg.The highest FS was obtained by treatment of 667 m2 planting density 3 600 plants;seedling age,57 days;667 m2 fertilizing quantity,30 kg.The highest yield of sweet pepper was obtained by treatment of 667 m2 planting density 3 600 plants;seedling age,50 days;667 m2 fertilizing quantity,30 kg.Based on these results,the optimal combination was 667 m2 planting density 3 600 plants;seedling age 57 days;667 m2 fertilizing quantity 30 kg.

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Last Update: 2017-12-19