Effects of irrigation and N on the vegetative growth of Aloe barbadensis Mill. in Aruba
Effects of irrigation and N on the vegetative growth of Aloe barbadensis Mill. in Aruba
复制标题
灌溉和施氮对库拉索芦荟营养生长的影响。
作者：
A. V. Schaik;P. Struik;T. Damian
通过两个试验研究了灌溉和施氮对芦荟叶片萌发、生长及凝胶产量的影响。在阿鲁巴岛典型的干旱条件下事实证明，灌溉对阿鲁巴岛barbadensis一年四季的持续营养生长和高产至关重要。它增加了单叶鲜重，但在干旱的前几个月，缺水几乎不影响叶片的出现率。吸盘的营养繁殖因干旱而减少。施氮通过提高叶片萌发率和单叶产量来提高总凝胶产量。干旱胁迫严重时，氮素与灌溉的交互作用显著。
Two experiments were carried out to investigate the effects of irrigation and N application on the initiation and growth of leaves, and thus gel production, of Aloe barbadensis Mill. under the typical arid conditions of Aruba. Irrigation proved to be essential for continuous vegetative growth and high yields of A. barbadensis in Aruba throughout the year. It increased the fresh weight per leaf, but, during the first months of drought, water deficiency hardly affected the leaf appearance rate. Vegetative reproduction by suckers was reduced by drought. Nitrogen fertilization improved the total gel yield by increasing the rate of leaf initiation and by increasing the yield per leaf. Interactions between N an irrigation were significant when drought stress was severe.