在缺水地区，除了节水灌溉技术、节水栽培技术之外，调整种植结构也是农业节水的一项重要技术措施。
In the regions short of water, the adjustment of planting structure is also an important measure to save water in agriculture besides water-saving irrigation techniques and cultivation techniques.
本文对马铃薯经济施肥量与土壤、前作、密度、灌溉等栽培条件的关系进行了定量研究。
The relationship between nitrate fertilizer application and cultivated conditions such as soil fertility, preceding crop, plant density and irrigation etc.
根据各种花卉栽培方式以及花卉的需水规律，应用可编程控制器自身的特点，对花卉进行合理的、有效的自动灌溉系统设计。
The automatic irrigation system is designed chiefly according to various cultivating methods, the water need regulation of flowers as well as the characteristics of programmable logical controller.
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