Investigations showed that properly irrigating and fertilizing in partial root-zone could offer plant growth. “Theory of nutrition center”, “Local supply”and “Handy supply”were rules which come into being at plant growth process.
研究表明,根土系统中只对部分根区进行适当灌水施肥即可满足植物生长所需,“营养中心理论”、“局部性”、“就近供应”等是系统发育中形成的规律,充分利用这些规律使果树根区肥水集中供应,这对解决我国大部分果园“旱”、“薄”矛盾和当前果业可持续发展具有重要意义。
参考来源 - 草炭保水保肥特性与葡萄根区不同施用模式效应的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
一个完全根区域需要完整的Solaris 10安装。
欧元区和申根区依赖于信任:每个成员国有健康的公共财政,控制它的边境。
The euro zone and the Schengen area depend on trust: that each member will run sound public finances, and that each will control its borders.
欧洲委员会称凡属于欧盟免签申根区的国家面临有大量移民时应允许临时启动边境检查制度。
The European Commission said that countries inside the European Union's passport-free Schengen area should be allowed temporarily to reimpose border checks when faced with large Numbers of migrants.
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