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Effects of different amendments (organic matter and hydrogel) on the actual evapotranspiration and crop coefficient of turf grass under field conditions*
Irrigation and Drainage ( IF 1.6 ) Pub Date : 2020-11-16 , DOI: 10.1002/ird.2544
Gladys L. Bandenay 1 , Arianna Renau‐Pruñonosa 2 , Ignacio Morell 3 , María V. Esteller 4
Affiliation  

The irrigation schedule in arid areas has to be efficient in order to reduce losses due to evaporation and deep infiltration. Irrigation optimization poses the need to establish with precision the value of actual evapotranspiration (ETa), and the crop coefficient (Kc). The water soil availability can be increased using hydrogel and organic matter amendments, and their effects could vary ETa and Kc. The aim of this study was to determine the ETa, and Kc of an experimental site with lysimeters on the Spanish Mediterranean coast cropped with a turf grass variety, Agrostis stolonifera ‐L‐93, under field conditions, and amended with hydrogel and organic matter.

中文翻译:

在田间条件下,不同改良剂(有机物和水凝胶)对草皮草实际蒸散量和作物系数的影响*

干旱地区的灌溉计划必须有效,以减少由于蒸发和深层渗透而造成的损失。灌溉优化需要精确确定实际蒸散量(ET a)和作物系数(K c)。可以使用水凝胶和有机物改良剂来增加土壤水的有效性,其作用可能会改变ET aK c。这项研究的目的是确定在西班牙地中海沿岸种植了草皮变种Agrostis stolonifera ‐L-93的溶渗仪的实验点的ET aK c 在野外条件下,并用水凝胶和有机物进行修正。
更新日期:2020-11-16
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