湖南省祁东县灵官镇骑龙花果园邹勇军,每年都要在自家房前屋后及田头地角栽种不少的丝瓜、佛手、黄瓜、西瓜等瓜类作物,收入不菲。可他去年栽种的丝瓜、南瓜味道变差,且有苦味。据我们调查发现,出现这种情况的主要原因是邹勇军在瓜类作物上施用牛粪所致。实践经验告诉我们,南瓜 Qidong Town, Qidong County, Hunan Province, riding a longan orchard Zou Yongjun, each year in their own homestead and Tin Tau Kok planted a lot of loofah, bergamot, cucumber, watermelon and other melons crops, a lot of income. But he loofah planted last year, pumpkin taste worse, and bitter. According to our survey, the main reason for this situation is that Zou Yongjun uses cow dung on cucumber crops. Practical experience tells us that pumpkin