权威例句
Effect of fertilizer application on diversity and production of weeds in crop-less fields.Oct. 21 Crop Progress: Corn crop less than half harvested, soybean harvest closing in on average paceMORE CROP LESS DROP-CLOSING THE TECHNOLOGY GAPBioengineered crops less of threat, study says.(Knight Ridder Newspapers)Flooding Hits Farmers Just as Hard as '93 Water on Crops Less, but Similar Damage ExpectedA Further Note on Crop Removal in the ChickenStudies of the Emergence of Rice Seedlings Seeded in Autumn and Winter : III. On the varietal difference in the rate of sprouting an...Studies on the Emergence of Rice Seedlings Seeded in Autumn and Winter : I. Relation of seeding time to survival of seeds in soil an...A METHOD OF ESTIMATING CROP YIELDSCrop-livestock systems: old wine in new bottles?
