极端干旱区成龄葡萄萌芽期合理灌水量的试验研究  

Experimental study on reasonable irrigation water for mature grape-vine during germination period in extremely arid region

作　　者：李涛[1] 张建丰[1] 

机构地区：[1]西安理工大学水资源研究所,陕西西安710048

出　　处：《干旱地区农业研究》2011年第3期13-17,共5页Agricultural Research in the Arid Areas

基　　金：国家科技支撑项目(2007BAD38B03);新疆自治区重大专项(200731136-5)

摘　　要：在极端干旱气候环境以及质地较粗的含石土壤条件下,为了搞清楚成龄葡萄萌芽期合理的灌水量,采用深层坑渗灌技术,设了6个不同的灌水处理,通过边界效益分析法,分析了萌芽率与灌水量的关系。得到以下主要结论:萌芽期灌水量越大,枝蔓萌芽的均匀性越好,灌水量越小,枝蔓萌芽的均匀性越差;建立了萌芽期的水分性状函数和水分性状效率函数;当灌水量为62 844 m3/hm2时,萌芽率达到极大值78.25%,当灌水量为54 545m3/hm2时,水分性状效率达到极大值1.348×10-3%/m3。因此,葡萄萌芽期的合理灌水量范围确定在54 545m3/hm2与62 844 m3/hm2之间。In the extremely arid climate and coarse texture soil containing stone,in order to find out the reasonable irrigation water for mature grape-vine in germination period,under the condition of deep-pit irrigation with six different treatments,the relationship between germination rate and irrigation was analyzed with the method of boundary-benefit analysis.The main findings are as follows： The more irrigation water in germination period,the better uniformity of germination and the less irrigation water in germination period,the worse uniformity of germination.Both the function of water traits and the function of water traits efficiency was established.The maximum germination rate was 78.25% with an irrigation water of 62 844 m3/hm2,and the maximum water traits efficiency with an irrigation water of 54 545 m3/hm2.The range of reasonable irrigation quota for grape-vine was from 54 545 m3/hm2 to 62 844 m3/hm2.

关 键 词：葡萄 灌水量 深层坑渗灌 边界效益分析法 萌芽率 干旱区 

分 类 号：S274.1[农业科学—农业水土工程] S663.1[农业科学—农业工程]