Breeding and Cultivation Technology of A New Green Manure Soybean Variety Kehe 202

Leguminous green manure has a well-developed root, and its huge root can increase soil porosity and improve soil fertility. Kehe 202 is a small seed variety, suitable for new special soybean variety such as leguminous green manure and sprout bean. It was bred by the Heilongjiang Academy of Agricultural Sciences through hybridizing with the imported Russian soybean material HZDD1424 as the female parent and Canadian soybean material HZDD3796 as the male parent. The crude protein content of Kehe 202 was 41.03% and the crude fat content was 18.79% tested by the Grain Quality Supervision and Testing Center（Harbin） of the Ministry of Agriculture. This variety was approved by the Heilongjiang Province Crop Variety Approval Committee in 2021（Validation No. was Heilongjiang Beans 20210040）, with 120 d of the growth period. It was suitable for planting in the second accumulated temperature zone of Heilongjiang Province.