油枯、鸡粪、猪粪三种有机肥中，猪粪和鸡粪能明显改善芹菜的外观形态，而油枯无明显影响。
In three kinds of organic manure , oil cake, chicken excrement, pig dung, chicken excrement and pig dung could apparently improve the plant height of celery , oil cake had little impact.
油枯、鸡粪、猪粪三种有机肥中，猪粪和鸡粪能明显改善芹菜的外观形态，而油枯无明显影响。
In three kinds of organic manure , oil cake, chicken excrement, pig dung, chicken excrement and pig dung could apparently improve the plant height of celery , oil cake had little impact.
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