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土豆是一种粮菜兼用,人们喜吃愿种的作物,由于它可以长期贮藏,是调节蔬菜淡季供应市场的主要蔬菜品种之一。土豆的种植密度较大,其茎叶繁茂,植株蒸腾量很大,耗水较多。可是,从本地区的自然条件来看,春天少雨,十年九春旱,而土豆的种植则大都在春夏两季(3月下旬～7月下旬),生育期内少雨,时常出现干旱,严重地影响土豆的产量;又因土豆生理生态的特
Potato is a combination of grain and food, people like to wish to eat crops, because it can be long-term storage, is to regulate the off-season vegetable supply market, one of the main varieties of vegetables. Potatoes planting density, lush stems and leaves, a large amount of plant transpiration, water consumption more. However, judging from the natural conditions in this region, spring is drier than usual, while the drought in the spring of 1998 is ten years. However, the cultivation of potatoes is mostly in the spring and summer seasons (from the end of March to the end of July) Seriously affect the yield of potatoes; because of the special potato physiology and ecology