退化人工草地补播改良研究初报

Preliminary Conclusion of the Effect and Method of intermediate Culture on Deterio- rating Artificial Grassland.

对亚热带中山地区退化人工草地补播改良方法进行的初步试验表明，条、穴、撒等三种补播方式和以多年生黑麦草作为补播草种时其地上生物量为对照的１．９～２．３倍，综合效果以穴播最佳，补播改良还具有省时、省力、节约生产资金等益处。

The paper is based on the preliminary studing on the method of improvement for deteri- orating artificial grassland in the Mid-hill Regionce of subtropical zone. The results are:the biomass of drilling,bunth planting, broadcast sowing is 1.29～2.3 times of the CK by seeding Lolium perenne Sythensis effect of bunth planting is best.Mean- while, there are may adventagies,for exampl, saving time,labour and money etc.