[1]韩德强.不同肥力下钾肥施用量对循化地膜线辣椒产量及品质影响[J].北方园艺,2014,38(17):169-171.
　HAN De-qiang.Effect of Potash Application to Different Fertility Level on Yield and Quality of Xunhua Line Pepper Under Plastic Film Mulching[J].Northern Horticulture,2014,38(17):169-171.
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不同肥力下钾肥施用量对循化地膜线辣椒产量及品质影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第38卷 期数: 2014年17期 页码: 169-171 栏目: 出版日期: 2014-09-15
Title:
Effect of Potash Application to Different Fertility Level on Yield and Quality of Xunhua Line Pepper Under Plastic Film Mulching
文章编号:
1001-0009(2014)17-0169-03
作者:
韩德强
青海省循化县农业技术推广中心，青海 循化 811100
Author(s):
HAN De-qiang
Agricultural Technology Popularizing Station of Xunhua in Qinghai Province,Xunhua,Qinghai 811100
关键词:
肥力水平; 钾肥; 线辣椒; 品质; 产量; 纯收入
Keywords:
fertility level; potash; line pepper; quality; yield; net income
分类号:
S641.3
文献标志码:
A
摘要:
以循化线辣椒为试材，在青海省循化县选择高、中、低地块采用单因素试验，研究了施用K2O 45、90、125、135、180、270 kg/hm2(以不施肥为对照)不同钾肥施用水平对循化线辣椒产量和品质的影响。结果表明：同一辣椒品种在同一肥力水平下，增施钾肥对生育期长短影响不大，同一辣椒品种在肥力条件高的地块生育期长，而在瘠薄地块生育期短；同一辣椒品种的红果率、鲜果辣椒素含量和鲜果维生素C含量随着栽培土壤肥力的提高而降低；施钾量在一定范围内可以显著提高辣椒的红果率，增加鲜果辣椒素含量和鲜果维生素C含量；在高肥力条件下施钾量在45 kg/hm2时，中肥力条件下施钾量在180 kg/hm2时，低肥力条件下施钾量在90 kg/hm2时，线辣椒的鲜果产量最高、纯收入最大。
Abstract:
With line pepper as test materials,under high,medium,low fertilizer land in Qinghai province,single factor randomized block desigh was used,the effect of different K2O applyins (45,90,125,135,180,270 kg/hm2,with no-fertilizer as control) on yield and quality of pepper were studied.The results showed that the same species in the same fertility level,increasing potassium applying amount,the growing period was not affected.The same pepper variety had long growth period under the high fertility plots and had short growth period under the low fertility plots.The red berries rate,fruit capsaicin content and fruit vitamin C content in the same pepper variety were reduced with the improvement of soil fertility and significantly increased with the potash application amount in a certain range.The yield of the line pepper fruit was the highest and the net income was the highest when the potash application amount was 45 kg/hm2 under the high soil fertility level was 180 kg/hm2 under the medium soil fertility level and was 90 kg/hm2 under the low soil fertility level.

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备注/Memo

作者简介：韩德强（1970-），男，撒拉族，农艺师，现主要从事农业技术推广等工作。E-mail：qhxhhdq@sina.com.

基金项目：青海省科技攻关资助项目（2005-N-156）。

更新日期/Last Update: 2014-09-26