错位滴头的3管滴水对枸杞根系盐分的影响及节水效果

S278; 在滴灌条件下湿润体盐分积累在根系发育范围之内是一个面临的重大问题,为此,提出了扩大根系脱盐范围的一种新技术.以枸杞为供试植物,根据盐分积累在湿润体边缘的规律,采用错位滴头的3条毛管滞后滴水的方法,扩大根系的脱盐范围,节约用水量.试验结果表明:3条毛管滞后滴水时,逐步追压根系发育范围内的盐分,把盐分追压到根系发育范围之外,局部压盐,从而节约每年3次的压盐水量.湿润体内盐分的降低量不仅与灌水次数有关,而且与土壤性质、土壤初始含盐量及水质也有关,研究成果可为压盐用水量的定量化、科学改良盐碱地提供依据....

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Published in节水灌溉 no. 12; pp. 42 - 57
Main Authors 艾木都力·吾守尔, 邓丽娟, 董文明, 穆哈西
Format Journal Article
LanguageChinese
Published 新疆水利水电科学研究院,乌鲁木齐830049%新疆农业大学水利与土木工程学院,乌鲁木齐830052 10.12.2022
新疆水利工程安全与水灾害防治重点实验室,乌鲁木齐830052
Subjects
节水效果
湿润体盐分
枸杞
错位滴头
3条毛管
根系盐分
盐碱地改良
滞后滴水
脱盐
Online AccessGet full text
ISSN1007-4929
DOI10.12396/jsgg.2022184

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Abstract S278; 在滴灌条件下湿润体盐分积累在根系发育范围之内是一个面临的重大问题,为此,提出了扩大根系脱盐范围的一种新技术.以枸杞为供试植物,根据盐分积累在湿润体边缘的规律,采用错位滴头的3条毛管滞后滴水的方法,扩大根系的脱盐范围,节约用水量.试验结果表明:3条毛管滞后滴水时,逐步追压根系发育范围内的盐分,把盐分追压到根系发育范围之外,局部压盐,从而节约每年3次的压盐水量.湿润体内盐分的降低量不仅与灌水次数有关,而且与土壤性质、土壤初始含盐量及水质也有关,研究成果可为压盐用水量的定量化、科学改良盐碱地提供依据.
AbstractList S278; 在滴灌条件下湿润体盐分积累在根系发育范围之内是一个面临的重大问题,为此,提出了扩大根系脱盐范围的一种新技术.以枸杞为供试植物,根据盐分积累在湿润体边缘的规律,采用错位滴头的3条毛管滞后滴水的方法,扩大根系的脱盐范围,节约用水量.试验结果表明:3条毛管滞后滴水时,逐步追压根系发育范围内的盐分,把盐分追压到根系发育范围之外,局部压盐,从而节约每年3次的压盐水量.湿润体内盐分的降低量不仅与灌水次数有关,而且与土壤性质、土壤初始含盐量及水质也有关,研究成果可为压盐用水量的定量化、科学改良盐碱地提供依据.
Author 艾木都力·吾守尔
穆哈西
邓丽娟
董文明
AuthorAffiliation 新疆水利水电科学研究院,乌鲁木齐830049%新疆农业大学水利与土木工程学院,乌鲁木齐830052;新疆水利工程安全与水灾害防治重点实验室,乌鲁木齐830052
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DENG Li-juan
DONG Wen-ming
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Issue 12
Keywords 节水效果
湿润体盐分
枸杞
错位滴头
3条毛管
根系盐分
盐碱地改良
滞后滴水
脱盐
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PublicationTitle 节水灌溉
PublicationTitle_FL Water Saving Irrigation
PublicationYear 2022
Publisher 新疆水利水电科学研究院,乌鲁木齐830049%新疆农业大学水利与土木工程学院,乌鲁木齐830052
新疆水利工程安全与水灾害防治重点实验室,乌鲁木齐830052
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Snippet S278; 在滴灌条件下湿润体盐分积累在根系发育范围之内是一个面临的重大问题,为此,提出了扩大根系脱盐范围的一种新技术.以枸杞为供试植物,根据盐分积累在湿润体边缘的规律,...
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Title 错位滴头的3管滴水对枸杞根系盐分的影响及节水效果
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