干旱对苹果树生长的影响

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1982年是我县连续三年大旱最严重的一年。1~5月份降雨量33.5毫米,6~9月份降雨量288.3毫米,10~11月份降雨量159.6毫米,与常年降雨量(800~850毫米)比较,1~5月份减少76.8%,6~9月份减少55.4%。我县果树大都分布于山区,无水浇条件,出现了严重旱害。全县约有1180多亩苹果树旱死,占结果树的2.8%;半枯死树8792亩,占21%。为此,我们于1982年9~10月间,组织进行了一次旱害调查,现将结果整理报告如下。 1982 was the most serious year for three consecutive years of drought in our county. The rainfall in January-May was 33.5 millimeters, that in June-September was 288.3 millimeters, and that in October-November was 159.6 millimeters, decreasing 76.8% from January to May and 6-9 in comparison with the annual rainfall (800-850 millimeters) Month decrease of 55.4%. Most of my county fruit trees are located in the mountains, no water conditions, there have been serious drought. The county has about 1180 acres of apple trees dry, accounting for 2.8% of the results of trees; semi-dead trees 8792 acres, accounting for 21%. To this end, we organized an drought survey in September-October 1982, and the results are summarized below.
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