%0 Journal Article %T 不同覆盖方式对土壤温湿度及枣树生理的影响<br>Effects of Different Soil Mulching on Temperature and Humidity of Soil and Jujube Physiology %A 张露荷 %A 管利兵 %A 黄华梨 %A 张广忠 %A 王延秀 %A 胡秉芬 %A 戚建莉 %A 赵 %A 通 %J 西北农业学报 %D 2018 %R 10.7606/j.issn.1004-1389.2018.10.008 %X 试验以髙接换优3 a生枣树为研究材料,研究覆盖玉米秸秆(YMG)、覆黑膜(HM)、人工种植黑麦草(HMC)等不同土壤覆盖方式对土壤温湿度、叶片光合作用、树体生长发育以及枣果品质的影响,以期筛选适宜甘肃沿黄灌区的最佳土壤覆盖模式。结果表明:6-8月份,3种处理均能不同程度地改变0~25 cm的土温,表层土温变化幅度最为明显,随着土层的加深,变化幅度减少;不同覆盖方式不同程度地增强了同一层次土壤温度的相对稳定性。土壤不同覆盖方式均能提高空气相对湿度、净光合速率、坐果率及枣果制干率;其中黑膜覆盖方式提高空气相对湿度和净光合速率的幅度最大,而生黑麦草覆盖方式提高坐果率和制干率的幅度最大。而且土壤不同覆盖方式均能提高果实维生素C和可溶性糖质量分数;果园生黑麦草还能显著增加果实的单果质量和蛋白质质量分数。总体上,采用种植黑麦草可能是促进甘肃沿黄灌区枣树园生产及生态综合效益的最佳土壤覆盖方式。<br>In order to select the best soil mulching pattern suitable for Yellow River irrigated regions of Gansu,jujube grafting for 3 years was used to evaluate the effects of different soil mulching with maize stalk(YMG),black film(HM) and artificial ryegrass(HMC) respectively on the temperature and humidity of soil,leaf photosynthesis,the growth and development of the tree and the quality of the jujube fruit.The results showed that three mulching treatments changed the soil temperature at 0-25 cm layer during July to August,and the most obvious temperature change was detected on the surface of soil,and the variation range was narrowed with the increase of soil layer.The relative stability of soil temperature at the same level was enhanced by different mulching.The relative humidity,net photosynthetic rate,fruit setting rate and jujube fruit dryness rate were improved by different mulching.The black film showed the most contribution to air relative humidity and net photosynthetic,and ryegrass benefitted more to setting rate and dried rate of jujube fruit.However,different mulching increased the mass fraction of vitamin C and soluble sugar in fruit.Planting ryegrass in orchard would significantly increase single fruit mass and protein mass fraction of fruit.In general,planting ryegrass may be the best way to promote the production and ecological benefits of jujube orchard in Yellow River irrigated regions of Gansu. %K 甘肃沿黄灌区 枣 覆盖栽培 枣园微环境 果实品质< %K br> %K Yellow River irrigated regions of Gansu Jujube Mulching cultivation Microenvironment of jujube garden Fruit quality %U http://xbnyxb.alljournals.cn/ch/reader/view_abstract.aspx?file_no=20181008&flag=1