干旱区生态环境知识资源中心(Arid): 干旱区绿洲滴灌成龄枣树耗水规律及作物系数

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	干旱区绿洲滴灌成龄枣树耗水规律及作物系数
其他题名	Jujube Drip Irrigation Water Consumption and Its Crop Coefficient in Oasis of Arid Areas
	王则玉; 谢香文; 刘国宏; 马晓鹏
来源期刊	新疆农业科学
ISSN	1001-4330
出版年	2015
卷号	52 期号:4 页码:675-680
中文摘要	[目的]研究不同水分处理对成龄枣树各生育期土壤水分动态变化、耗水量及作物系数的影响,为滴灌枣树灌溉制度和灌溉预报提供依据。[方法]利用水量平衡法和彭曼-蒙特斯公式计算枣树各生育期耗水量和参考作物蒸腾量,探明滴灌成龄枣树的耗水规律及确定作物系数。[结果]参考作物ET_0呈两头低中间高的抛物线趋势; 灌水定额105m~3/hm~2处理的灌水量相对较小或者灌水周期过长,入渗深度达到50cm,枣树的耗水量大于灌水量; 灌水定额165m~3/hm~2处理水量和灌水周期相对合理,入渗深度达到70cm; 灌水定额225m~3/hm~2处理的灌水量相对较大或者周期过短,入渗深度达到80cm。枣树全生育期耗水量在5796~6682m~3/hm~2,各生育期耗水量对比: 开花坐果期> 果实膨大期> 果实成熟期> 萌芽展叶期。开花坐果期和果实膨大期耗水模数在71% ~77%; 萌芽展叶期作物系数0.74~0.86; 开花坐果期作物系数1.24~1.36; 果实膨大期作物系数1.22~1.45; 果实成熟期作物系数0.63~0.92。[结论]参考作物ET_0呈两头低中间高的抛物线趋势; 灌水定额165m~3/hm~2处理灌水量和灌水周期相对合理; 开花坐果期和果实膨大期耗水模数在71% ~77%,属于需水关键期。作物系数是个范围值,萌芽展叶期作物系数0.86; 开花坐果期作物系数1.36; 果实膨大期作物系数1.22; 果实成熟期作物系数0.83。
英文摘要	[Objective]To study the soil moisture dynamic,water consumption and crop coefficient of jujube during the growth period by different water treatments and provide the basis for jujube drip irrigation system and irrigation forecasting. [Method]The method of water balance and Peng Man-Montes formula was used to calculate jujube water consumption at various stages and the reference crop transpiration in order to find out the water consumption law and make sure the crop’s coefficient. [Result]The reference crop ET_0 is low at both ends and high in the middle which displayed a parabolic trend. The Irrigation quota of 105 m~3 /hm~2 treatment was rather small or took a long cycle of irrigation. If the infiltration depth was up to 50 cm,jujube water consumption was greater than the irrigation water. If the irrigation quota was 165 m~3 /hm~2, the irrigation cycle was relatively reasonable,and when the infiltration depth was up to 70 cm,irrigation quota of 225 m~3 / hm~2 treatment was large with a shorter cycle. When the infiltration depth was up to 80 cm,water consumption was between 5 796-6 682 m~3 /hm~2 in the whole stage. During the whole growth period,the water consumption amount was: flowering fruit-bearing stage > fruit enlargement stage > fruit mature stage > bud exhibition leaf stage. The period of flowering fruit and fruit enlargement period,water consumption modulus was between 71%-77%; Bud exhibition leaf stage crop coefficient was 0. 74-0. 86; Flowering fruit crop coefficient was 1. 24-1. 36; Fruit enlargement period crop coefficient was 1. 22-1. 45; Mature fruit crop coefficient was 0. 63-0. 92. [Conclusion]The reference crop ET_0 is low at both ends and of high in the middle showing a parabolic trend; Irrigation quota of 165 m~3 /hm~2 of water and irrigation cycle is relatively reasonable; The period of flowering fruit and fruit enlargement period,the water consumption modulus was between 71%-77%, which belonged to the critical period for water requirement. At the bud exhibition leaf stage,crop coefficient was 0. 86; At the fruit flowering and setting stage,the crop coefficient was 1. 36; And at the fruit enlargement period crop coefficient was 1. 22; It was 0. 83 in the mature period.
中文关键词	枣树 ; 耗水规律 ; 作物系数
英文关键词	jujube water consumption crop coefficient
语种	中文
国家	中国
收录类别	CSCD
WOS类目	HORTICULTURE
WOS研究方向	Agriculture
CSCD记录号	CSCD:5437145
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/233530
作者单位	新疆农业科学院土壤肥料与农业节水研究所, 乌鲁木齐, 新疆 830091, 中国
推荐引用方式 GB/T 7714	王则玉,谢香文,刘国宏,等. 干旱区绿洲滴灌成龄枣树耗水规律及作物系数[J],2015,52(4):675-680.
APA	王则玉,谢香文,刘国宏,&马晓鹏.(2015).干旱区绿洲滴灌成龄枣树耗水规律及作物系数.新疆农业科学,52(4),675-680.
MLA	王则玉,et al."干旱区绿洲滴灌成龄枣树耗水规律及作物系数".新疆农业科学 52.4(2015):675-680.