摘要
我国东北地区的大豆以种植面积大、产量高、质量好著称,这与该地区环境条件有关。土壤腐殖质层厚,有机质含量在40g/kg以上,养分丰富,中性至酸性反映,壤质土,土壤紧实度适中,容重1.1~1.4g/cm3,5~g月降水在500~600mm左右,5~9月特别是8月气温偏低,在19~22℃。上述条件基本可以满足大豆高产优质的需要。
Soybean production in North-East China is well known aswidespread planting.High yield and fine quality. This is related to theenviroment and condition of this area: the soils with thick humic horizns,high organic matter content (over 40 gkg-1), abandant nutrients,neutrality to slightly acid, loamy texture suitable degree of com-paction(bulky density ranged from 1. 1 to 1. 4 gcm-3); 500-600 mm rainfall inMay-September, especially temperature in Angust slightly lower(19-20℃).Allof above conditions are essentially for high yield and fine quality soybean.
出处
《黑龙江八一农垦大学学报》
1995年第2期25-32,共8页
journal of heilongjiang bayi agricultural university
关键词
大豆
土壤和环境
优质高产
Soybean, Soil and enviroment, Fine quality and high yield