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从1978年开始,我们在调查的基础上对积攒农家肥的效果进行了试验研究。我们发现过去的积肥效果和方法存在一定问题,必须尽早改进和提高,才能保证农业的高产、稳产。
Since 1978, we conducted a pilot study on the effect of accumulating farm manure on the basis of the survey. We found that there are some problems with the past fertilizer production methods and methods and must be improved and enhanced as soon as possible so as to ensure high output and stable production in agriculture.