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大豆南繁是现在大豆育种工作中必不可少的重要环节,而海南省三亚市是我国育种工作者南繁工作的主要开展地。海南省三亚市属于热带海洋性季风气候,11月份至次年4月份降水量仅为全年的8.3%,平均温度为23℃,温度适宜,降水稀少,是我国大豆、玉米等作物开展冬季南繁的最佳时间。地块选择三亚旱季降雨量少,而大豆整个生育期需要进行4~6次的及时灌溉,自然降雨不能满足作物生长需求,因此应选择距离水渠近或附近有水井的地块,方便及时
Soybean is an indispensable part of soybeans breeding now an important part of the work, and Sanya City, Hainan Province, China is breeder workers south of the main work carried out. Sanya City of Hainan Province is a tropical maritime monsoon climate, from November to April next year, the rainfall is only 8.3% of the annual average temperature of 23 ℃, the temperature is appropriate, precipitation is scarce, China’s soybean, corn and other crops to carry out the winter Fanfan The best time Plot selection Sanya dry season less rainfall, while the soybean throughout the growing period of 4 to 6 times the need for timely irrigation, natural rainfall can not meet the needs of crop growth, so should choose near or near the water well wells, convenient and timely