Effects of Plastic Mulch and Manure on Soil Temperature and Water Consumption of Winter Wheat
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Effects of Plastic Mulch and Manure on Soil Temperature and Water Consumption of Winter Wheat
Bulletin of Soiland Water ConservationVol. 29, Issue 3, Pages: 59-63(2010)
作者机构:
1. 西北农林科技大学黄土高原土壤侵蚀与旱地农业国家重点实验室, 陕西杨凌,712100
2. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
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Published:2010
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CHEN Yuhua, ZHANG Suiqi, TIAN Haiyan, et al. Effects of Plastic Mulch and Manure on Soil Temperature and Water Consumption of Winter Wheat[J]. Bulletin of Soiland Water Conservation, 2010, 29(3): 59-63.
DOI:
CHEN Yuhua, ZHANG Suiqi, TIAN Haiyan, et al. Effects of Plastic Mulch and Manure on Soil Temperature and Water Consumption of Winter Wheat[J]. Bulletin of Soiland Water Conservation, 2010, 29(3): 59-63.DOI:
Effects of Plastic Mulch and Manure on Soil Temperature and Water Consumption of Winter Wheat
In order to investigate the effects of plastic mulch on soil temperature and water consumption of winter wheat on dryland
a field experiment was carried out . Results indicated that plastic mulch and manure increased soil temperature obviously at early growth stage and the effect only appeared on soil surface obviously at latter growth stage. Single plastic mulch had better effect in increasing soil temperature and was more previous compared with single manure at early growth stage
while single manure had higher temperature than single plastic mulch at latter growth stage. Plastic mulch and manure improved not only water consumption of wheat significantly through increasing water consumption from jointing to anthesis
but also yield and the WUE. Single plastic mulch had better effects in increasing soil temperat ure
saving water
and increasing yield and the WU E compared with single manure.Mixture of manure and plastic mulch reduced the effect in increasing soil temperat ure by plastic mulch at early growth stage and improved the effects at latter growth stage
reduced water consumption at seedling stage
and improved water consumption of mulch-covered wheat (3. 5 %) weakly
while yield and the WUE were increased sharply by 10. 6 % and 7. 6 %
respectively. By the influences of manure applied on soil temperature and water consumption of mulch-covered wheat
manure can regulate exuberant growth of mulch-covered wheat before winter
but promote mulch-covered wheat’s senescence during maturity stage.