锌锰硼肥配合施用对玉米的增产效果

The Effects of Combining Fertilization with Zn, Mn and B on the Increasing in Corn Yield

田间和盆栽试验结果表明，玉米单施锌、锰、硼，均有增产效果。三者相互配合施用时，以锌、锰配合效果最佳，锌、锰、硼三者配合效果次之。玉米施用ＺｎＳＯ４·７Ｈ２Ｏ和ＭｎＳＯ·Ｈ２Ｏ的适宜比例为１：１。当前施用锌、锰混合肥料，每亩以１ｋｇ较为适宜。

The results of both field experiments and pot experiments showed that single fertilizantion of Zn, Mn and B can increase corn yield. In the combining conditions, the combination of Zn and Mn had the best result. The yield in the combination of Zn, Mn and B was the second. We suggest that the optimum proportion of ZnSO·7H2O and MuSO·H2O for corn is 1:1 and that the optimum amount is 1 kg per mu