青海省春小麦农户施肥状况调查研究

Investigation on Current Fertilization of Spring Wheat in Qinghai Province

doi:
摘要:
[目的]为摸清青海春小麦施肥现状,指导科学施肥.[方法]2010-2011年开展农户施肥习惯的访谈问卷调查.[结果]西宁海东地区、海南地区和柴达木绿洲农业区小麦平均产量分别为4198.0、5457.4和6361.6 kg/hm2,全省平均产量为4869.6 kg/hm2;小麦氮肥(N)投入量为137~225 kg/hm2,磷肥(P2O5)130~161 kg/hm2,钾肥(K2O)0~24 kg/hm2,;当前小麦施肥中,氮肥、磷肥施肥量不足与过量并存,钾肥和有机肥投入严重不足;农户施用肥料品种较为单一,基肥以磷酸二铵、尿素和有机肥为主,追肥以尿素为主.[结论]该研究可为青海省小麦生产中的肥料使用提供参考.
Abstract:
[Objective] The aim is to know the situation of fertilization application of spring wheat to guide the application of fertilization .[Method] Questionnaire survey and interview was launched to make clear the current state of fertilization .[Result] Average yield of wheat in eastern, southern and Qaidam oasis agricultural zone was 4198.0 kg/hm2,5457.4 kg/hm2 and 6361.6 kg/hm2, respectively, and that was 4869.6 kg/hm2 for the whole province.The usage of N was from 137 kg/hm2 to 225 kg/hm2,and that of P2O5 was from 130 kg/hm2 to 161 kg/hm2 ,and that of K2 O was from 0 to 24 kg/hm2 .The main question reflected from the result was the abuse of N and P fertilizer and the serious deficiency of K fertilizer and organic manure .The selection of different fertilizer was limited for farmers .The base fertilizer was focused on DAP, Urea and organic manure, while top dressing fertilizer was depend on Urea.[Conclusion]The research can provide reference for fertilization application in wheat production of Qinghai .
作者 冯承彬    李吉环    白惠义    刘景莉
Author:
作者单位 青海省农业技术推广总站,青海西宁,810001
刊 名: 安徽农业科学   ISTICPKU
Journal: Journal of Anhui Agricultural Sciences
年,卷(期) 2017, 45(36)
分类号 S506
关键词: 春小麦 知识脉络    施肥 知识脉络    评价 知识脉络    青海省 知识脉络   
Keywords: Spring wheat    Fertilize    Evaluation    Qinghai Province   
机标分类号
基金项目 国家和青海省测土配方施肥项目
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