论文部分内容阅读
在当前历史条件下,喷灌工程选点、定点是否合适,是关系到这一事业能否健康发展的大问题。这个问题,很有认真讨论的必要。喷灌虽然有增产、省水、省工、省地、适应性强等多种突出优点,但也有投资较多,管理要求较高等不足之处。在不断革新的前进道路上,这些问题虽可逐步解决,但是,特别是在我们山区,目前
Under the current historical conditions, it is a big issue that relates to the healthy development of this project whether the selection of the sprinkling irrigation works and the fixed point are appropriate. This issue is very necessary for serious discussion. Sprinkler irrigation although there are many advantages, such as increasing production, saving water, saving labor, land, adaptability and so on, but there are some shortcomings of more investment, higher management requirements. On the road to continuous reform, these problems can be solved step by step. However, especially in our mountainous areas,