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Resource Conserving Agricultural Production Methods

机译:资源节约型农业生产方式

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A comparison of organic and conventional farms in the United States corn belt is presented. Grain yields (corn, soybeans, and wheat) on pairs of organic and conventional fields, which were matched by location, soil type, cultivar and planting date, were measured. Several factors were identified which help explain the surprisingly small difference in the productivity of organic and conventional farms. The higher proportion of legume forages grown on organic farms alleviate part of the yield advantage which conventional farms otherwise would enjoy. Conventional corn fields were found to have statistically higher infestations of European corn borer and Diplodia stalk rot. The population of carabids which include important predators of insect pests is higher on organic than on conventional corn fields.

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