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首页> 外文会议>International Horticultural Congress on Science and Horticulture for People >Partial Root Drying of Lemon under Semi-Arid Conditions in the North of Minas Gerais, Brazil
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Partial Root Drying of Lemon under Semi-Arid Conditions in the North of Minas Gerais, Brazil

机译：在巴西Minas Gerais北部的半干旱条件下柠檬的部分根系干燥

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Meeting the increased water requirement in agriculture due to the increases of irrigated areas in order to provide food for growing populations, relies on the application of water with increased efficiency. This work evaluated the partial root drying technique for lemon 'Tahiti' trees under semi-arid climate conditions in the north of Minas Gerais. The experiment was carried out in randomized block design with nine treatments and four replicates. Treatments were based on percentages of reduction of calculated irrigation water depth, i.e., 25% corresponding to the reduction of irrigation on one quarter of the area occupied by the plant and 50% corresponding to the reduction of irrigation on half of the plant area during three phonological phases (I, II and III) of lemon 'Tahiti'. The results showed that irrigation scheduling using the partial root drying method may be performed with any of the treatments evaluated. The larger yields and water use efficiencies were obtained for treatments T7 and T8 which were a reduction of 25% of total irrigation every 7 or 15 days during flowering followed by a reduction of 50% of total irrigation every 7 or 15 days in phases II and III.
机译：会议农业增加的需水量，由于灌溉面积的增加，从而为不断增长的人口提供食物，依赖于水与提高效率的应用程序。这项工作评价半干旱气候条件下柠檬“塔希提岛”树木部分根干燥技术米纳斯吉拉斯的北部。实验在随机区组设计进行了九个治疗和四个重复。处理是基于减少计算灌溉水深度，百分比即，对应于灌溉对面积的四分之一的25％减少所占据由植物和三个在对应于灌溉的减少对植物的面积的一半的50％候期柠檬 '塔希提岛' 的（I，II和III）。结果表明使用部分根干燥方法灌溉调度可以与任何的评估的处理来执行。用于治疗T7和T8，其分别的总灌溉的每7天或15天的25％时开花然后进行还原的总灌溉的50％的减小相II获得每7天或15天的更大的产量和水分利用效率和III。

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