|Table of Contents|

Study on Application Effect of Optimized Fertilization on Greenhouse Cucumber Under Drip Irrigation in Beijing Suburb

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年16
Page:
67-73
Research Field:
Publishing date:

Info

Title:
Study on Application Effect of Optimized Fertilization on Greenhouse Cucumber Under Drip Irrigation in Beijing Suburb
Author(s):
CHEN Juan1; ZHAO Qingchun1; ZHU Wen2; ZHU Ning3; LIU Bin1; CHEN Suxian1
(1.Beijing Soil and Fertilizer Station,Beijing 100029;2.Planting Technology Extension Station of Fangshan District,Beijing 102400;3.Agricultural Technology Extension Station of Changping District,Beijing 102200)
Keywords:
drip irrigation; greenhouse cucumber; optimized fertilization; application research
PACS:
-
DOI:
10.11937/bfyy.20204866
Abstract:
Taking ‘Beinongjiaxiu’ cucumber variety as experimental material,the effects of drip irrigation optimized fertilization on yield,quality,economic benefit and fertilizer saving effect of greenhouse cucumber were studied by field verification test,in order to provide reference for reducing chemical fertilizer and improving quality and efficiency of greenhouse cucumber.The results showed that compared with the farmers′ conventional fertilization,the optimized fertilization treatment did not reduce the yield,and the nitrate content of cucumber decreased significantly.In three different fertility test sites,the nitrogen,P2O5 and K2O (pure nutrient) saved by opt treatment were 4-351 kg·hm-2，38-127 kg·hm-2，99-205 kg·hm-2,respectively.The nitrate content of cucumber in three experimental sites decreased by 21%,16% and 17%,and the economic benefits increased by 11%,24% and 9%,respectively.At the same time,the soil available phosphorus decreased by 43%,12% and 1%,respectively,which helped to reduce the risk of phosphorus accumulation and non-point source pollution.

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Last Update: 2021-12-02