滴灌水肥一体化对陕北沙地枸杞产量和品质的影响

刘晓丽; 马理辉; 李娟娟; 杨荣慧; 訾浩

引用本文:	刘晓丽,马理辉,李娟娟,等.滴灌水肥一体化对陕北沙地枸杞产量和品质的影响[J].灌溉排水学报,0,():-.
	liu xiaoli,Ma Lihui,Li juanjuan,et al.滴灌水肥一体化对陕北沙地枸杞产量和品质的影响[J].灌溉排水学报,0,():-.

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滴灌水肥一体化对陕北沙地枸杞产量和品质的影响
刘晓丽,马理辉,李娟娟,等
1.西北农林科技大学水利与建筑工程学院;2.西北农林科技大学;3.陕西神木德塬农业综合开发有限公司

摘要:

【目的】在滴灌水肥一体化条件下，确定沙地枸杞适宜的施肥种类和施肥量。【方法】采用氮、磷、钾三因素二次D-饱和最优设计，研究了氮、磷、钾不同配施对陕北沙地枸杞生长、产量和品质的影响。【结果】施肥能显著促进枸杞的生长，氮、磷、钾配施枸杞冠幅显著高于单施和不施肥处理，高肥力条件下地径和新枝长度显著高于不施肥处理；枸杞单株产量主要受氮肥的影响，施肥提高了单株产量和百粒重；施肥能显著提高枸杞多糖及甜菜碱含量，提高果实品质。【结论】陕北沙地枸杞的高产施肥应在保证充足氮肥的基础上，合理配施磷、钾肥；枸杞品质主要受磷肥的影响，增加土壤中全磷含量可以有效提高果实品质。研究结果可为陕北沙地滴灌水肥一体化条件下枸杞种植水肥管理提供参考。

关键词: 滴灌;水肥一体化;沙地;枸杞；陕北

DOI：

分类号:S275.6

基金项目:陕西省科技统筹创新工程计划项目(2016KTCL02-04)资助；西北农林科技大学试验示范站(基地)科技创新与成果转化项目资助。

Effect of drip fertigation on lycium yield and qualityin sandy land in northern Shaanxi

liu xiaoli¹, Ma Lihui², Li juanjuan¹, Yang ronghui³, Zi hao⁴

1.College of Water resources and Architectural Engineering, Northwest A & F University;2.Northwest A&F University;3.Northwest A & F University;4.Agricultural comprehensive development Ltd of Deyuan

Abstract:

【Objective】The objective is to determine the suitable fertilization type and amount of Chinese wolfberry under drip fertigation in sandy land.【Method】The design of three factors quadratic D-optimized was adopted to study the effect of different combinations of nitrogen, phosphorus and potassium on growth, yield and quality of lyceum barbarum. L in northern shaanxi.【Result】Under the condition of high fertility, the diameter and the length of new branches were significantly higher than that under the condition of no fertilization. The yield per plant of lycium barbarum was mainly affected by nitrogen fertilizer. The content of lycium barbarum polysaccharide and betaine and the fruit quality were improved by fertilization.【Conclusion】The fertilization of high yield of lycium barbarum in sandy soil of northern shaanxi should be carried out on the basis of ensuring sufficient nitrogen fertilizer and reasonable application of phosphorus and potassium fertilizer. The quality of lycium barbarum was mainly affected by phosphate fertilizer. The results can provide reference for the management of lycium barbarum planting under the condition of integrated drip irrigation and fertilizer in the sandy land of northern shaanxi.

Key words: drip irrigation; integrated of fertilizer and water; sandy land; lycium barbarum. L