论文部分内容阅读
第一期杉木种子园深翻施肥的试验研究………………………………………………………………·、……… 张献义 陈金林(l)内吸杀菌剂根系打浆防治松针褐斑病………………………………………………………………·韩正敏 叶建仁等(7)申宁加质于常数及其配合物稳定常数的研究—………
Experimental Study on Deep-turning Fertilization in the First Stage of Chinese Fir Seed Orchard .......................................................................................................................................................................... Zhang Xianyi Chen Jinlin (1) Internal Bactericides Root beating prevention pine needle brown spot disease ........................................................................................ · Han Zhengmin Ye Jianren, etc. (7) Shenning plus the constant mass and its stability of the complex Study of constants - .........