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河南省是一个有8500多万人口的农业大省,农业生产,尤其是粮食生产,关系到全省国民经济的发展和社会安定。由于地理位置处于南北气候过渡地带,降雨受季风影响,年内年际变化很大,干旱少雨成为制约全省农业生产发展的主要因素。为使农业生产能够持续稳定的发展,必须大力兴修水利,扩大农田灌溉面积,进一步改善农业生产的基础条件。扩大农田灌溉面积必须开源节流,特别在平原地区,工农业用水主要靠浅层地下水,现已有配套机电井53.4万眼,井灌控制面积3037万亩,约占1990年底全省有效灌溉面积5325万亩的57％。其中已发展喷灌111.61万亩,低压管道输水灌溉167.47万亩,埋设各种管道877.54万
Henan Province is a large agricultural province with a population of over 85 million. Agricultural production, especially grain production, is related to the development of the national economy and social stability in the province. Due to its geographical location in the transition zone between the north and south, the rainfall is affected by the monsoon. The interannual variation in the year is very large. Aridity and lack of rainfall have become the main factors restricting the development of agricultural production in the province. In order to enable the sustainable and steady development of agricultural production, we must energetically build water conservancy, expand irrigated farmland, and further improve the basic conditions for agricultural production. In particular, in the plain areas, industrial and agricultural water mainly relies on shallow groundwater. There are 534,000 electro-mechanical wells now well matched and well control area is 30.37 million mu, accounting for 53.25 million mu of effective irrigation area at the end of 1990 Of 57%. Of which 111.61 million mu have been developed for sprinkler irrigation, 1.674 million mu for irrigation of low-pressure pipelines, and 8.7754 million mu