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太华公社的65,000多亩毛竹林大部分是大小年分明的竹林,按照历年来的生长规律,1981年是属于小年,凡是小年普遍于4月分左右脱去老叶,更换新叶.更换的新叶7—8月份叶色应为深绿色或淡绿色.这是正常的规律.但是,81年8月份以来却有近一半的毛竹林仍叶色发黄脱力,这究竟是什么原因?我们带着这个问题,于7月29日至8月21日先后到该公社的大涧、北川、新华、民望、胥井、深洞、张家、太平、乾元、向阳等大队抽查了14个发黄点,观察了近万亩的发黄毛竹林,现将观察的情况和自己的看法汇报如下:
Most of the more than 65,000 mu of bamboo groves in Taihua Commune are bamboo forests of different sizes. According to the law of growth over the years, 1981 is a small one. All young children generally take off old leaves and replace new leaves in April. New leaves to be replaced 7 - August Leaf color should be dark green or light green, which is the normal pattern, but since August 1981, nearly half of the bamboo forest still leaves color yellowing off force, what is the reason We took this issue and went to the brigade of the commune in Dajian, Beichuan, Xinhua, Minwang, Xujing, Shendong, Zhangjia, Taiping, Qianyuan and Xiangyang for inspection from July 29 to August 21 A total of 14 yellowing spots were observed and nearly 10,000 mu of yellow bamboo forests were observed. The observations and their own observations are reported as follows: