Abstract: the corn is resistant to continuous crops, but the patient is also relative, in 4-5 years, continuous cropping of corn to increase production, and does not affect the quality of corn, but the continuous cropping of corn after more than 5 years, the per unit area yield of corn, agronomic traits, seedling germination and soil borne disease incidence are noticeably effect of.Key words:
maize yield quality
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