【摘要】 本文根据干旱地区降水稀少,水资源短缺的特点,对牧草、蔬菜等进行了一系列施用不同比例与组合的保水剂,用以提高植物的抗旱能力。试验资料表明,效果是好的。更多还原

【Abstract】 Arid land is characterized by low rainfall and short water resources.A test has been going on to increase the resistance to aridity for plants.e. g.hydroscopic agents were applied to forage grasses and vegetables withdifferent proportions and combinations. The effects proved notable.更多还原