论文部分内容阅读
印尼茂物农园研究所研究间作旱稻和玉米影响幼龄胶树生长的程度。试验时间从1972年11月至1973年3月。幼龄胶树为两龄GT1高截干。本试验设离胶行分别为25、50、75、125和150厘米等六种处理,另有对照(不种间作物)。每种处理4个重复。观察项目包括:胶树高度、茎围;橡胶、旱稻和玉米的根系;间作物的产量。
Indonesia Bogor Research Institute of intercropping upland rice and maize affect the growth of young gum trees. Test time from November 1972 to March 1973. Young gum trees for the two age GT1 high cut. The test set apart from the plastic line were 25,50,75,125 and 150 cm, respectively, six kinds of treatment, while the control (not interspecies crops). 4 replicates per treatment. Observations include: gum tree height, stem circumference; rubber, uprooted rice and maize roots; inter-crop production.