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近年由于粮食作物的比较效益下降，以小麦－玉米１年２作为基本轮作制度的粮食产区，都在积极探索新的高效益种植模式。２００１年，我们在麦后以两茬抗热错季蔬菜－抗热芫荽和抗热菠菜取代玉米，６６７ｍ２毛收入达８０００元以上，而且两茬错季菜加起来生长期不过９０天，与
In recent years, due to the comparative benefits of food crops declining, grain-producing areas that use wheat-corn 1 year 2 as the basic rotation system are actively exploring new modes of high-benefit cultivation. In 2001, we replaced maize with two stubble heat-mismatched vegetables - heat-resistant cilantro and hot spinach in wheat field, with a gross income of more than 8,000 yuan for 667m2 and a growth period of 90 days for both stubble and miscellaneous vegetables.