冬小麦田植保无人飞机喷施除草剂雾滴粒径及沉积飘移分布特性评估
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王国宾, 韩鑫, 宋灿灿, 伊丽丽, 鲁文霞, 兰玉彬
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Evaluation of Droplet Size and Drift Distribution of Herbicide Sprayed by Plant Protection Unmanned Aerial Vehicle in Winter Wheat Field
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WANG Guobin, HAN Xin, SONG Cancan, YI Lili, LU Wenxia, LAN Yubin
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表5 田间飘移试验雾滴沉积飘移分布及质量平衡结果
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Table 5 Drift distribution and mass balance results in field drift test
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处理 | 风速/(m·s-1) | 作业区沉积率/% | 飘移区飘移率/% | 回收率/% | 飘移比率/% | 90%累积飘移位置 |
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T1 | 0.74(0.03) | 69.3(4.65) | 6.6(0.3) | 75.9 | 8.7 | 4.8 | T2 | 1.11(0.09) | 61.8(2.9) | 9.8(0.2) | 71.6 | 13.6 | 6.6 | T3 | 1.24(0.06) | 66.2(8.0) | 10.2(1.2) | 76.3 | 13.3 | 9.2 | T4 | 1.75(0.04) | 51.9(2.2) | 10.3(0.6) | 62.2 | 16.5 | 10.2 | T5 | 2.53(0.03) | 50.7(2.7) | 22.6(1.1) | 73.3 | 30.8 | 12.9 | T6 | 2.67(0.02) | 38.7(7.7) | 22.2(0.4) | 60.5 | 36.6 | 22.4 | T7 | 2.74(0.04) | 39.4(7.8) | 25.7(2.6) | 65.2 | 39.5 | 16.1 | T8 | 2.93(0.11) | 34.9(1.9) | 31.2(4.9) | 66.1 | 47.2 | 13.6 | T9 | 3.35(0.13) | 31.3(5.4) | 22.9(3.8) | 54.2 | 42.2 | 14.9 | T10 | 3.76(0.43) | 37.7(2.8) | 32.6(5.1) | 70.3 | 46.4 | 21.3 |
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