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京郊春大豆亩产２５０公斤经验简介１９９４年北京市农业技术推广站与昌平、通县农技推广站、房山、顺义农科所密切协作，开展了大豆高产试验工作，设六个点，试验面积１０亩。其中有两个点亩产突破２５０公斤，这是京郊建国以来第一次。他们的做法简介如下：一、通县梨园...
Beijing suburbs of spring soybean yield 250 kg Experience Profile Beijing Agricultural Technology Extension Station in 1994 and Changping, Tongxian agricultural extension station, Fangshan, Shunyi Agricultural Branch in close collaboration with the soybean yield test, set six points, test Area of 10 acres. There are two points per mu yield 250 kg, which is the first time since the founding of the capital of Beijing. Brief introduction of their practices are as follows: First, Tong County Liyuan ...