大豆施用钴及硼、锌肥的增产效果

Primary report of the study on Co,B and Zn influencing the soybean yield

试验证明,在黑河地区的土壤条件下施用钴及硼、锌肥能够不同程度地提高大豆的出苗率,增加株高、叶面积和叶绿素含量,增产效果明显。

Effects of Co, B and Zn application on the character and yield of soybean were investigated in Heihe, in order to obtain optimum fertihzation practice. The results showed that application of Co, B and Zn could increase rate of emergence, plant height, area of leaf and chlorophyl content. Effect of increasing production was quite dear.