[1]刘华,章圣强,曹靖.甘肃沿黄灌区设施蔬菜施肥现状及问题分析[J].北方园艺,2012,36(14):45-48.
　LIU Hua,ZHANG Sheng-qiang,CAO Jing.Status Investigation of Fertilizing on Greenhouse Vegetable Production in Yellow River Irrigation Area[J].Northern Horticulture,2012,36(14):45-48.

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甘肃沿黄灌区设施蔬菜施肥现状及问题分析

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第36卷期数: 2012年14期页码: 45-48 栏目: 出版日期: 2012-12-31

Title:: Status Investigation of Fertilizing on Greenhouse Vegetable Production in Yellow River Irrigation Area

文章编号:: 1001-0009(2012)14-0045-04

作者:: 刘华¹; 章圣强²; 曹靖²; 1.甘肃省经济作物技术推广站,甘肃兰州 730000;
2.兰州大学生命科学院,干旱与草地生态教育部重点实验室,甘肃兰州 730000

Author(s):: LIU Hua¹; ZHANG Sheng-qiang²; CAO Jing²; 1.Cash-crops Technology Extension Center of Gansu,Lanzhou,Gansu 730000;2.School of Life Science,Key Laboratory of Arid and Grassland Ecology,Lanzhou University,Lanzhou,Gansu 730000

关键词:: 设施蔬菜; 沿黄灌区; 施肥现状; 土壤pH

Keywords:: greenhouse vegetable; Yellow River irrigation area; status of fertilizer supply; soil pH

分类号:: S 626

文献标志码:: A

摘要:: 通过问卷调查和室内测试，分析了沿黄灌区设施蔬菜施肥现状。结果表明:种植户在施用有机肥、化肥及灌水方面存在较大的盲目性，有机肥和化肥的投入量同时增加，缺乏平衡施肥的理念。种植区有机肥投入量在52～337 t/hm²，化肥折算纯氮肥年平均投入量为1 165～4 865 kg/hm²，磷肥（P₂O₅）年平均投入量为1 079~2 960 kg/hm²，钾肥年平均投入量为631~3 321 kg/hm²。设施不同土层土壤pH均显著低于农田土壤，土壤电导率则明显高于农田土壤，其中靖远、皋兰、红古设施土壤电导率超过了蔬菜的生育障碍临界值（EC>0.4 mS/cm）。

Abstract:: By questionnaire investigation and laboratory testing,the status of fertilizer supply based on greenhouse vegetable production was analyzed in Yellow River irrigation area.The results showed that there was a big blindness for application rates of organic manure and chemical fertilizer as well as the amount of irrigated water during the greenhouse cultivation.An increase in organic manure applied coupled with large amounts of chemical fertilizer supplied.Application rates of organic manure was supplied from 52~337 t/hm2.Mean annual nitrogen fertilizer，phosphorus fertilizer and potassium application rates were inputted from 1 165～4 865 kg/hm2，1 079～2 960 kg/hm2 and 631~3 321 kg/hm2,respectively.pH of soil profile in greenhouse cultivation soils was lower than those in open field soils,whereas soil EC was significantly increase in greenhouse cultivation.The soil EC of greenhouse vegetable production collected from Honggu，Gaolan，Jingyuan had exceeded the threshold value of vegetable growth (0.4 mS/cm).

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备注/Memo

第一作者简介：刘华（1964-）,女,本科,高级农艺师,研究方向为土壤农化分析及蔬菜栽培技术。
收稿日期：2012-04-09

更新日期/Last Update: 2014-09-17