Each pig will be expected to expel 2.2 kilograms, or almost five pounds, of excrement per day, and only in certain areas for maximum cleanliness.

一头猪每天要排泄2.2公斤粪便，只有限定在一定的区域才能最大程度地保持清洁。

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Chicken excrement could apparently increase the yield, but pig dung and oil cake reduced the output of celery.

与单施化肥相比，鸡粪能显著提高芹菜产量，猪粪和油枯则表现为减产效应。

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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。

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