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雁北地区有盐碱地242.28万亩,其中耕地171.69万亩,可灌溉面积占水浇地总面积的67％,为发展春小麦创造了有利条件。但是,由于缺乏针对盐碱地特点的栽培措施,套用一般水地小麦的栽培技术,不仅春小麦产量不高,而且连年种植春小麦引起土壤碱化。从1986年开始,我们在阳高县南徐屯和天镇县三十里铺开展了盐碱地春小麦高产栽培技术研究,总结出一套以改土保苗为中心的高产栽培技术。经1988年和1989年大面积示范,两年均获丰收,平均亩产307公斤,增产 28.1％。
Yanbei area has 242.28 million mu of saline land, of which 1.1769 million mu of cultivated land, irrigated area accounts for 67% of the total irrigated area, creating favorable conditions for the development of spring wheat. However, due to lack of cultivation measures aimed at the characteristics of saline-alkali soil, not only the yield of spring wheat is not high, but the cultivation of spring wheat by successive years causes the alkalization of soil. Since 1986, we carried out high-yielding spring wheat cultivation techniques in saline-alkali soil in Nanxuetun, Yangzao County and Sanshilipu, Tianzhen County, and summed up a set of high-yielding cultivation techniques centered on soil improvement and seedling conservation. After a large area demonstration in 1988 and 1989, both were bumper cropped with an average yield of 307 kg per mu and an increase of 28.1%.