全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

西藏青稞农田草浆地膜覆盖的保水效果研究

Keywords: 草浆地膜,保水作用,农田

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用对比方法研究了草浆地膜覆盖对青稞(Hordeumvulgare)农田土壤的保水作用,以期明确草浆地膜的农田保水理论依据和保水效果。结果表明:草浆地膜覆盖下的土壤表面相对湿度、土壤紧实度和土壤含水量等指标均低于塑料地膜覆盖处理,其中土壤含水量指标显著低于后者(n=3,P<0.05);与对照相比,草浆地膜覆盖下0~5cm土层内土壤紧实度显著降低,但土壤温度与对照相比相差不大,同时土壤表层水分散失明显减少,土壤含水量增加7.59%,达到显著差异水平(n=3,P<0.05)。草浆地膜覆盖保水效果十分明显。

References

[1]  卜玉山;苗果园;周乃健.秸秆与地膜覆盖玉米农田土壤水分时空动态变化--兼评回归等值线法的应用[J].土壤学报,2004(5)
[2]  Kijchavengkul T;Auras R;Rubino M,Assessment of aliphaticaromatic copolyester biodegradable mulch films.Part Ⅰ:Field study,Chemosphere,2008.
[3]  Kapanen A;Schettini E;Vox G,Performance and environmental impact of biodegradable films in agriculture:A field study on protected cultivation,Journal of Polymers and the Environment,2008(2).
[4]  Cook Hadrian F. ;Valdes Gerardo S.B. ;Lee Howard C.,Mulch effects on rainfall interception, soil physical characteristics and temperature under Zea mays L.,Soil & Tillage Research?,2006, 91(1/2).
[5]  徐刚;杜晓明;曹云者.典型地区农用地膜残留水平及其形态特征研究[J].农业环境科学学报,2005(1)
[6]  严昌荣;梅旭荣;何文清.农用地膜残留污染的现状与防治[J].农业工程学报,2006(11)
[7]  杜军;普布卓玛;索朗欧珠.西藏青稞需水关键期降水的气候变化特征[J].干旱地区农业研究,2004(1)
[8]  Barbara Immirzi;Gabriella Santagata;Giuliano Vox,Preparation,characterisation and field-testing of a biodegradable sodium alginate-based spray mulch,Biosystems Engineering,2009.
[9]  张杰;任小龙;罗诗峰.环保地膜覆盖对土壤水分及玉米产量的影响[J].农业工程学报,2010(6)doi:10.3969/j.issn.1002-6819.2010.06.003
[10]  杨青华;韩锦峰;贺德先,液体地膜覆盖棉花高产机理研究,中国农业科学,2008(8).
[11]  Fang ShengZuo ;Xie BaoDong ;Liu JiuJun,Soil nutrient availability, poplar growth and biomass production on degraded agricultural soil under fresh grass mulch,Forest Ecology and Management?,2008, 255(5/6).
[12]  关法春,不同措施对重度苏打盐碱地改良效果的研究,北京:中国科学院,2009.
[13]  李文军;刘作新;舒乔生.植物纤维地膜的土壤水热及作物产量效应[J].干旱地区农业研究,2008(6)
[14]  Fritz J,Strategies for detecting ecotoxicologic effect of biodegradable polymers in agricultural application,Macromolecular Symposia,2003.
[15]  王朝云;吕江南;欧阳清.环保型麻地膜的试制[J].纺织学报,2008(3)
[16]  Tzankova Dintcheva N;La Mantia F P,Durability of a starch-based biodegradable polymer,Polymer Degradation and Stability,2007.
[17]  Scarascia Mugnozza G;Schettini E;Vox G,Mechanical properties decay and morphological behavior of biodegradable films for agricultural mulching in real scale experiment,Polymer Degradation and Stability,2006.
[18]  Briassoulis D,Mechanical behavior of biodegradable agricultural films under real field conditions,Polymer Degradation and Stability,2006.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133