农业工程学报2008，Vol.24Issue(3)：65-71,7.
地表覆盖对温室黄瓜品质、水分利用效率及土壤环境的影响
Effects of soil mulching on cucumber quality, water use efficiency and soil environment in greenhouse
摘要
Abstract
Effects of various soil mulching models on cucumber quality, water use efficiency and soil environment in greenhousewere analyzed. Results show that, under the soil surface mulching model, cucumber yield and the contents of dry matter, solublesugar, total vitamin C, soluble protein and total dissociative amino acid are increased, and also water use efficiency is enhanced.The effects of wheat straw with plastic film (WP) treatment are better than those of Wheat straw (WS), plastic film (PF). Underthe same treatment, fruit quality and water use efficiency of grafted cucumber are significantly higher than those of own-rootedone. WS treatment enhances the lowest soil temperature and decreases the highest soil temperature, which make the range of soiltemperature stable. PF treatment increases the highest soil temperature and decreases the lowest soil temperature, which result insoil temperature range larger. WP treatment does not only increase the lowest soil temperature, but also decreases the highest soiltemperature. Diural fluctuation in soil respiration rate is a single-peak curve, the highest value appeared at about 14:30, as soiltemperature at soil depth of 5～10cm. Moreover, a significantly positive correlation exists between soil temperature and soilrespiration rate. The value of soil respiration rate of mulching treatments is significantly larger than that of the control, anddecreases in order ofWP, PF and WS. At soil depth of 0～20cm, minimum bulk density and maximum one were measured in WPand CK at the end of experiment respectively. Bulk density values of WP and WS are significantly less than that of CK, but thebulk density value of PF is appreciably less than that of CK. Bulk density values of all treatments become more and more similarwith the increase of soil layer depth. The contents of soil organic matter, total N and P, available N, P and K at soil depth of0～20cm under WS, WP treatment are significantly larger than those of CK and PF, and those of PF are smaller than those of CK.关键词
日光温室/地表覆盖/黄瓜品质/水分利用效率/土壤特性Key words
solar greenhouse/ soil surface mulching/ cucumber quality/ water use efficiency/ soil characteristics分类
农业科技引用本文复制引用
翟胜,梁银丽,张秀省,王巨媛,戴全厚,刘辉..地表覆盖对温室黄瓜品质、水分利用效率及土壤环境的影响[J].农业工程学报,2008,24(3):65-71,7.基金项目
863 Project of National High-Technique Research and Development (2002AA6Z3211) （2002AA6Z3211）
the Science and Technology Key Project of Shandong, China (2006GG2309001) （2006GG2309001）
the Encouragement Foundation for Midlife-youth Scientists of Shandong, China (2007BS08028) （2007BS08028）
