| 菜园土壤速效钾丰缺指标及合理施钾量研究 |
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| 引用本文： | 赫新洲,吕业成,万云巧,陈琼贤,曹健,张白鸽,杨秋,李妙汉,高惠楠. 菜园土壤速效钾丰缺指标及合理施钾量研究[J]. 华南农业大学学报, 2011, 32(4): 14-17 |
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| 作者姓名： | 赫新洲 吕业成 万云巧 陈琼贤 曹健 张白鸽 杨秋 李妙汉 高惠楠 |
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| 作者单位： | 1. 广东省农业科学院蔬菜研究所,广东广州,510640
2. 南海农业推广中心,广东南海,528200 |
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| 基金项目： | 广东省现代农业产业技术体系建设专项(粤农[2009]380号); 广东省科技计划项目(2009B020202003,2009B020304002); 广州市番禺农业攻关项目(2010-Z-82-1) |
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| 摘 要： | 在广东赤红壤地区含钾量不同的菜园土上选择了20个试验点进行菜心钾肥田间试验,根据试验结果建立菜心相对产量与土壤速效钾含量的回归方程.结果表明:菜心相对产量与土壤速效钾含量呈抛物线相关.施钾肥后增产的菜田占90％,增产率为0.89％ ～47.2％;土壤速效钾(K)的适宜含量为144.5 ～225.4 mg/kg;菜心产量...
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| 关 键 词： | 菜园土 菜心 速效钾 施钾量 |
Research on Abundant and Scarce Indices of Available K in Brassica parachinensis Soils and Reasonable Amount of K Fertilizer |
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| HE Xin-zhou,L Ye-cheng,WAN Yun-qiao,CHEN Qiong-xian,CAO Jian,ZHANG Bai-ge,YANG Qiu,Li Miao-han,GAO Hui-nan. Research on Abundant and Scarce Indices of Available K in Brassica parachinensis Soils and Reasonable Amount of K Fertilizer[J]. JOURNAL OF SOUTH CHINA AGRICULTURAL UNIVERSITY, 2011, 32(4): 14-17 |
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| Authors: | HE Xin-zhou L Ye-cheng WAN Yun-qiao CHEN Qiong-xian CAO Jian ZHANG Bai-ge YANG Qiu Li Miao-han GAO Hui-nan |
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| Affiliation: | HE Xin-zhou1,Lü Ye-cheng2,WAN Yun-qiao2,CHEN Qiong-xian1,CAO Jian1,ZHANG Bai-ge1,YANG Qiu1,Li Miao-han1,GAO Hui-nan1(1 Vegetable Research Institute of Guangdong Academy of Agricultural Sciences,Guangzhou 510640,China,2 Nanhai Agricultural Extension Centre,Nanhai 528200,China) |
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| Abstract: | Field trials were carried out to study the effects of K fertilizer on Brassica parachinensis Bailey in the soils with different indigenous K contents in Guangdong latosolic red soil areas.According to the experimental results from 20 trial sites,a regression equation between relative yield of B.parachinensis and soil available K content was established.The results indicated that their relationship was a parabola.The relative yield of 90% of the fields applied with K fertilizer increased and the growth rate ... |
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| Keywords: | vegetable soil Brassica parachinensis available K K fertilizer amount |
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