Effect of Overhead Sprinkler Irrigation on Watercress Yield, Quality, and Leaf Temperature1
Effect of Overhead Sprinkler Irrigation on Watercress Yield, Quality, and Leaf Temperature1
复制标题
头顶喷灌对西洋菜产量、品质和叶温的影响1
作者：
J. Mchugh;R. K. Nishimoto
在暖季（夏季）和冷季（冬季）的不同时间段，通过上方喷水的方式给豆瓣菜（Nasturtium officinale R. Br.）浇水，以确定其对叶片温度和产量的影响。在暖季，全天间歇性的上方喷水提高了豆瓣菜的产量和品质，但在冷季则没有。喷水在暖季可使叶片温度降低多达4.8°C，而在冷季仅降低1.1°C。产量和品质的提高归因于暖季叶片温度的大幅降低。
Water was applied to watercress (Nasturtium officinale R. Br.) by overhead sprinkling for various day periods during the warm-season (summer) and cool-season (winter) to determine its effect on leaf temperature and yield. Intermittent overhead sprinkling throughout the day increased watercress yield and quality during the warm-season, but not the cool-season. Sprinkling reduced leaf temperature by as much as 4.8°C during the warm-season and by only 1.1°C during the cool-season. The increased yield and quality was attributed to substantially reduced leaf temperature during the warm season.