景泰灌区适宜与玉米套种的牧草品种比较试验

Comparison between herbage varieties suited to interplant corn in Jingtai irrigation area

比较研究了在景泰灌区玉米套种条件下，燕麦、箭舌豌豆２组共７个牧草品种的生产性能。结果表明：燕麦组各品种产草量差异极显著，以Ｐ２０和永久１２号产量最高；箭舌豌豆组无显著差异。对玉米产量的影响各品种间都无显著差异。通过综合分析，该地区宜选择种植的燕麦品种为Ｐ２０和永久１２号；箭舌豌豆品种可任选其一。

Performance of 7 varieties in 2 groups Coat and vetch) interplanting corn were compared. The result showed that there were very significant difference between the yield of all varieties in oat group, P 20 and Yongjiu No.12 having the highest yield, but no significant difference in vetch group and the effect of all varieties on corn yield. The comprehensive analyse suggested that P 20 and Yongjiu No.12 in oat group and any one in vetch group were suitable to the area.