海水可望直接浇灌农作物现在．世界上的一些科学家正在探索直接利用海水灌溉农田，以便使那些缺乏淡水的地区和不毛的盐碱地成为新的粮仓。科学家的探索方法有两条：一是寻找既可用海水灌溉．又可作为粮食的天然作物；一是利用咸土生长的盐生植物基因．改良现有的甜土粮食... Seawater is expected to water the crops right now. Some of the world’s scientists are exploring the direct use of seawater to irrigate farmland in order to make those areas lacking fresh water and barren land a new barn. Scientists have two ways to explore: First, we can find both seawater irrigation. But also as a natural crop food; one is the use of salt soil growth of halophyte genes. Improve the existing sweet soil food ...