论文部分内容阅读
1990年即将过去了。回顾一年来《青海农林科技》在全省农、林工作者的大力协助下,已胜利完成了全年的出版任务,在此,我们向热心支持《青海农林科技》的同志表示衷心的感谢。热烈欢迎大家投稿本刊。但由于篇幅所限,很多来稿未能刊用,谨表歉意,为了弥补这个缺陷,现将部分来稿综述如下: ABT生根粉是一种广谱、复合、高效植物生根促进剂,具有适用范围广,应用植物种类多,增产幅度大,经济效益高等特点。河北省崇礼县林业局施献举同志写了“农
1990 is about to pass. Looking back over the past year, Qinghai Agriculture and Forestry Science and Technology has victoriously completed its annual publication task with the great assistance of farmers and forestry workers in the province. Here, we would like to express our heart-felt thanks to those who enthusiastically supported the work of “Qinghai Agriculture and Forestry Science and Technology”. A warm welcome to submit articles. However, due to space limitations, many contributions failed to publish, to apologize, in order to make up for this shortcoming, now part of the manuscript summarized as follows: ABT rooting powder is a broad-spectrum, complex, efficient rooting agent, has a wide range of applications , Application of plant species and more, a large increase rate, high economic efficiency. Comrade Shi Xianju from Chongli County Forestry Bureau of Hebei Province wrote "Agriculture