饶河县位于三江平原东部完达山脉的西部。土壤大部份为白浆土,占全县耕地总面积的90%。大豆种植面积大,重迎茬重,每年全县有60%的豆田是重迎茬,平均亩产只有90公斤左右。通过多年的试验、示范和推广,从中摸索出缓解大豆重迎茬减产的农艺措施。一、大豆重迎茬栽培与产量的关系1 Raohe County is located in the western Wandashan Mountains in the eastern part of the Sanjiang Plain. Most of the soil is white earth, accounting for 90% of the total area of ​​the county’s arable land. Large area of ​​soybean cultivation, heavy stubble heavy, the county each year 60% of the soybean crop is heavy stubble, the average yield of only 90 kilograms. Through years of experiments, demonstrations and promotion, we have found out agronomic measures to ease the reduction of soybean yield. First, the soybean continuous cropping cultivation and the relationship between production 1