南疆不同树龄核桃树根系质量空间变化特征分析

doi:10.6048/j.issn.1001-4330.2019.09.014

新疆农业科学 ›› 2019, Vol. 56 ›› Issue (9): 1684-1690.DOI: 10.6048/j.issn.1001-4330.2019.09.014

• 土壤肥料·微生物·植物保护·农业机械·信息技术 • 上一篇下一篇

南疆不同树龄核桃树根系质量空间变化特征分析

黄建¹, 张玉玲², 冯耀祖¹, 王治国¹, 付彦博¹

1.新疆农业科学院土壤肥料与农业节水研究所,乌鲁木齐 830091;
2.岳普湖县农业技术推广中心,新疆岳普湖 844400

收稿日期:2019-07-29 发布日期:2019-10-30
通信作者: 王治国(1980-),男,山东人,副研究员,硕士,研究方向为土壤生态与农业节水,(E-mail)wangzhiguo214@126.com
作者简介:黄建(1987-),男,四川绵阳人,助理研究员,硕士,研究方向为农业环境,(E-mail)287591792@qq.com
基金资助:
自治区重点研发计划“核桃水肥精准管理技术集成推广研究与示范”(2017B01003-1-1)

Spatial Variability Analysis of Root Mass of Different Age Walnut Trees in Southern Xinjiang

HUANG Jian¹, ZHANG Yu-ling², FENG Yao-zu¹, WANG Zhi-guo¹, FU Yan-bo¹

1. Research Institute of Soil, Fertilizer and Agricultural Water Conservation, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China;
2.Yuepuhu County Agricultural Technology Promotion Center,Yuepuhu Xinjiang 844400, China

Received:2019-07-29 Published:2019-10-30
Correspondence author: WANG Zhi-guo (1980-), male, Shandong, associate researcher, master's degree, research direction for soil ecology and agricultural water saving, (E-mail)wangzhiguo214@126.com
Supported by:
Key r&d project of the automous region"integrated promotion and demonstration of precise management technology of walnut water and fertilizer"(2017b01003-1)

摘要/Abstract

摘要： 【目的】研究南疆不同种植年限核桃树根系空间分布变化规律,为科学施肥管理提供参考。【方法】以南疆阿克苏地区温宿县不同种植年限的核桃树为研究对象,调查分析种植5、10、15、20年核桃树根系空间变化。【结果】根系干质量密度随着核桃树龄的增加而水平方向及垂直深度呈现递增的趋势,根系干质量总数也随之增加。5年生核桃树根系主要集中在距树水平Ⅱ、Ⅲ方向上0~100 cm,深度为0~40 cm处; 10年为距树水平Ⅰ、Ⅲ方向上50~150 cm,深度为0~40 cm和80~100 cm处;15年为距树水平Ⅰ、Ⅲ方向上150~250 cm,深度为20~80 cm处;20年为距树水平Ⅱ、Ⅲ方向上0~150 cm,深度为0~80 cm处。【结论】随着年份的增加,核桃根系不断向水平及垂直方向延伸,对于施肥部位也要随根系的分布而加宽加深。

关键词: 核桃; 根系; 空间特征; 种植年限

Abstract: 【Objective】 To comprehensively and accurately understand the spatial distribution of walnut tree roots in different planting years in southern Xinjiang, and scientifically carry out fertilization management. 【Methods】 The walnut trees with different planting years in Wensu County of Aksu Prefecture in southern Xinjiang were taken as research objects. The spatial variation of walnut roots in 5, 10, 15 and 20 years was investigated. 【Results】 The results showed that the dry weight density of roots increased with the increase of walnut age, and the horizontal and vertical depths increased. The total dry mass of roots also increased. The root system of 5-year-old walnut trees mainly concentrated 0-100 cm in the direction of trees II and III, and the depth was 0-40 cm; 10-year-old tree was 50~150 cm in the direction of I and III from the tree level, and the depth was 0-40 cm. At 80-100 cm; 15-year-tree was 150-250 cm in the direction of tree I and III, and the depth was 20~80 cm; 20-year-old tree was 0~150 cm in the direction of tree II and III, and the depth was 0-80 cm. 【Conclusion】 With the increase of years, the roots of walnuts continue to extend horizontally and vertically, and the parts of fertilization should be widened and deepened with the distribution of roots.

Key words: walnut; root system; spatial characteristics; planting years

中图分类号:

S664.1

黄建, 张玉玲, 冯耀祖, 王治国, 付彦博. 南疆不同树龄核桃树根系质量空间变化特征分析[J]. 新疆农业科学, 2019, 56(9): 1684-1690.

HUANG Jian, ZHANG Yu-ling, FENG Yao-zu, WANG Zhi-guo, FU Yan-bo. Spatial Variability Analysis of Root Mass of Different Age Walnut Trees in Southern Xinjiang[J]. Xinjiang Agricultural Sciences, 2019, 56(9): 1684-1690.

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南疆不同树龄核桃树根系质量空间变化特征分析

Spatial Variability Analysis of Root Mass of Different Age Walnut Trees in Southern Xinjiang

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