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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Evapotranspiration and crop coefficient of okra under subsurface drip with and without plastic mulch
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Evapotranspiration and crop coefficient of okra under subsurface drip with and without plastic mulch

机译：地下滴落下秋葵的蒸发和作物系数，没有塑料覆盖

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摘要

Field experiments using lysimeters were conducted in sub-humid climatic condition to estimate water balance parameters, regional crop coefficient development and to evaluate yield response of okra crop under subsurface drip (SSD) irrigation with and without plastic mulch. In the year 2016, total crop evapo-transpiration under SSD with and without plastic mulch was 403 and 512 mm respectively, whereas in 2017 it was 363 and 468 mm respectively. Average crop coefficient of okra was 0.31, 0.42, 0.68, 0.77 and 0.48 measured under SSD with plastic mulch condition, and 0.51, 0.72, 0.92, 0.93 and 0.53 without plastic mulch. High yield of okra with minimum crop evapo-transpiration was observed under SSD with plastic mulch treatment due to lower irrigation water requirement, minimum evaporation and less weed transpiration under plastic film compared to non-mulch condition.
机译：使用液晶计的现场实验以亚潮湿气候条件进行，以估算水平衡参数，区域作物系数发展，并评估秋葵滴灌（SSD）灌溉下的秋葵作物的产量响应，无塑料覆盖。 在2016年，SSD下的总作物蒸发蒸腾分别为403和512毫米，而2017年分别为363和468毫米。 在SSD下测量的秋葵的平均作物系数为0.31,0.42,0.68,0.77和0.48，塑料覆盖条件为0.51,0.72,0.92,0.93和0.53，没有塑料覆盖物。 在SSD下观察到具有最小作物蒸腾蒸腾的秋葵的高产量，由于灌溉水需求降低，塑料薄膜下的浓度覆盖处理，与非覆盖条件相比，塑料膜下的最小蒸发和较少的杂草蒸腾。

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