论文部分内容阅读
在柳杉 Cryptomeria fortunei 树冠级数表研究 ,柳杉毛虫 Dendrolimus houiL ajonguiere幼虫饲养观察的基础上 ,研制出柳杉毛虫预测预报虫灾级数表 ,为制定柳杉毛虫预测预报技术规程提供了依据
Based on the Cryptomeria fortunei canopy grading test and the larva of Dendrolimus houiL ajonguiere of Cryptomeria fortunei, the series of insects and crashes of Cryptomeria fortunei were developed, which provided the basis for establishing the technical regulation of Cryptomeria fortunei forecasting