ISWC OpenIR  > 水保所知识产出(1956---)
干旱区大田玉米膜下滴灌土壤水热效应研究
齐智娟1,3; 冯 浩1,2; 张体彬1; 杨爱峥4; 周立峰2
2017
Source Publication水土保持学报
Volume31Issue:1Pages:172-178,185
Abstract

土壤水热状况是影响干旱区作物产量的主要因素,围绕膜下滴灌土壤水热运移情况,以河套灌区玉
米为研究对象,开展了 2 年的田间试验,研究了膜下滴灌条件下不同覆膜耕作方式对土壤水热运移规律的
影响。试验设垄作全膜( LQ )、垄作半膜( LB )、平作全膜(
PQ )和平作半膜( PB ) 4 个处理,采用烘干法测定
0 — 120cm 土壤含水量, ECH 2 O-5TE 探头测定 0 — 120cm 土壤温度。试验结果表明:在苗期, 0 — 20cm
土层 LQ 土壤含水率较 LB 、 PQ 和 PB 分别提高了 14.4% , 23.8% 和 26.9% ;拔节期, 0 — 40cm 土层 LQ 含
水率较 LB 提高了 32.6% , PQ 较 PB 提高了 5.8% ;抽雄期 0 — 60cm 土层垄作土壤含水率明显高于平作,
而 60 — 120cm 土壤含水率差异不明显;成熟期 0 — 80cm 土层 LQ 土壤含水率较 LB 、 PQ 和 PB 分别提高了
18.1% , 11.2% 和 21.5% 。分析 0 — 70cm 土层平均土壤温度发现, LQ 的温度明显高于半膜覆盖的处理,
2014 年和 2015 年 LQ 土壤温度较 LB 分别增加 0.44 , 1.16 ℃ ,较 PQ 分别增加 0.93 , 0.22 ℃ ,较 PB 分别
增加 1.22 , 1.37℃ 。 2 年的试验验证了不同覆膜耕作方式下,随土层深度的增加,土壤温度变化趋于平缓。
垄作全膜可以提高土壤温度,增大土壤含水率,有效防止垄体土壤温度的散失,为作物生长提供良好的水
热状态,促进作物增产。

Other Abstract

oil moisture and thermal condition were two key factors for crop production in Arid Region.The
effects of different plastic film and tillage modes under mulched drip irrigation on the spatial variation of soil
moisture and heat transfer were studied by the 2-year field experiment in Hetao Irrigation District.The ex

periment designed 4treatments which included ridge tillage with full film mulching ( LQ ), ridge tillage with
half film mulching ( LB ), flat tillage with full film mulching (
PQ ) and flat tillage with half film mulching

PB ) .Soil moisture in 0 — 120cm profile was measured by drying method.Soil temperature was checked by
ECH 2 O at the soil layer of 0 — 120cm.The results showed that compared to LB , PQ and PB , LQ increased
soil water contents by an average of 14.4% , 23.8%and 26.9%in 0 — 20cm respectively
at seedling stage.
At jointing stage , LQ and PQ enhanced the same parameter by
up
to 32.6% and 5.8%than LB and PB in
0 — 40cm respectively.The soil water content of ridge tillage in 0 — 60cm was significantly higher than flat
tillage during heading
stage , however there was no significant different in 60 — 120cm.Finally , LQ in 0 — 80
cm increased soil water content by 18.1% , 11.2% and 21.5% compared to LB , PQ and PB at maturing
stage , respectively.Average soil temperature in 0 — 70cm soil layers was significant higher in full film mulc -
hing
than half film mulching.Compared to LB , PQ and PB , soil temperature of LQ increased 0.44 ℃ and
1.16℃ , 0.93℃and 0.22℃ , 1.22℃and 1.37℃in 2014and 2015respectively.The changes of soil tem   perature were tented to be steady with increasing soil depth.Ridge tillage with full film mulching
method
could significantly increase soil temperature
, enhance the soil water content and had obvious effects on re

straining the loss of heat.It was clear that the optimal mulch and tillage strategies were beneficial to form
better soil moisture and temperature environment and then increased crop yield

Keyword膜下滴灌 垄作 地温 土壤水分
Indexed By中文核心期刊要目总览
Language中文
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8681
Collection水保所知识产出(1956---)
Affiliation1.中国科学院教育部水土保持与生态环境研究中心,陕西 杨凌 712100
2.西北农林科技大学中国旱区节水农业研究院, 陕西 杨凌 712100
3.中国科学院大学,北京 100049
4.东北农业大学水利与土木工程学院,哈尔滨 150030
Recommended Citation
GB/T 7714
齐智娟,冯 浩,张体彬,等. 干旱区大田玉米膜下滴灌土壤水热效应研究[J]. 水土保持学报,2017,31(1):172-178,185.
APA 齐智娟,冯 浩,张体彬,杨爱峥,&周立峰.(2017).干旱区大田玉米膜下滴灌土壤水热效应研究.水土保持学报,31(1),172-178,185.
MLA 齐智娟,et al."干旱区大田玉米膜下滴灌土壤水热效应研究".水土保持学报 31.1(2017):172-178,185.
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