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于1983～1984年,对新疆昭苏地区77团和奇台农场山区的黑钙土,垦后肥力的演变进行了初步研究。 77团位于昭苏谷地中部,山麓洪积扇中下部地区。全团海拔高度为1700～3500米,平均降水量480毫米,年平均气温2.9℃,为典型的草原性气候类型,分布大面积黑钙土。 奇台农场位于准噶尔盆地东南边缘,古尔斑通古特沙漠南缘。场区南部与雪山相衔接,最高海拔2202米,在海拔1900～2202米中山带年降雨量450～500毫米,年平均气温2～3℃,也为典型的草原性气候类型,分布有山地黑钙土。 77团和奇台农场山区的黑钙土,大部分已被开垦多年,成为旱作区。两地农田基本耕作方法,均采用连年机械耕种,不施用有机肥料或很少施用化肥。昭苏农田主要作物为春麦、大
From 1983 to 1984, the evolution of Chernozem and after-cultivation fertility in Zhaosu 77 Regiment and Qitai farms in Xinjiang was studied. 77 regiment is located in the central Zhaosu Valley, foothills alluvial fan in the lower region. The whole group altitude of 1700 ~ 3500 meters, the average rainfall of 480 mm, the annual average temperature of 2.9 ℃, is a typical grassland climate type, distribution of large areas of black earth. Qitai farm is located in the southeastern margin of Junggar Basin, southern edge of Gurban Tongtu desert. The southern part of the stadium is connected with the snow-capped mountains, with the highest elevation of 2202 meters and the annual rainfall of 450 ~ 500 mm in the middle of the mountains with 1900 ~ 2202 meters above sea level. The annual average temperature is 2-3 ° C, which is also typical of the grassland climate. Calcareous soil. Most of the Chernozem in the 77th and Qitai farm mountain areas have been cultivated for many years and become arid area. The basic cultivation methods for farmland in both areas are all cultivated in successive years with no organic fertilizer or little fertilizer. Zhaosu main crop of spring wheat, large