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This chapter of the North Carolina Organic Commodities Production Guide covers key management practices for organic corn production: hybrid selection, planting date, crop rotation, soil fertility and plant reproduction, and propagation.
Many organic vegetable farmers are interested in producing sweet corn. Organic sweet corn can be grown in North Carolina and throughout the Southeast, but special considerations for variety selection, insect and disease control, economics, and markets must be made for it to be a profitable crop.
Corn ear rot is a disease of corn caused by various types of fungi, including Fusarium spp. , Aspergillus spp. Penicillium spp., and Stenocarpella maydis (Diplodia Ear Rot). Ear rot diseases in corn are characterized by the molding and decay of corn ears. Environmental conditions, the susceptibility of the variety to disease, and previous disease populations in the field contribute to the emergence of corn ear rot and the severity of corn yield loss.
This corn disease information note offers information on the symptoms and management of gray leaf spot in corn production in North Carolina.
Lesion nematodes are plant-parasitic roundworms that may cause damage in corn. This factsheet covers their signs and symptoms as well as management of the disease.
This factsheet describes and provides management recommendations for the Southern root-knot nematode,Meloidogyne incognita, a widespread pest of corn in North Carolina.
This publication summarizes the findings of a three-year study that analyzed the effects of fungicides, bio controls, and Bt hybrids on reducing mycotoxins in corn. It reviews effectiveness, application rate, and yield for each control option.
This factsheet discusses the biology, damage, and management of the corn earworm and tobacco budworm in industrial hemp in North Carolina.
Stubby-root nematodes are soilborne, plant-parasitic roundworms that may cause significant damage in corn. This publication covers the symptoms and disease management of the pathogen.
Muskmelons, tomatoes, peppers, cucumbers, squash, eggplant, watermelons, pumpkins, and okra are vegetable crops that have shown significant increases in earliness, yield, and fruit quality when grown on plastic mulch. Some less valuable crops such as sweet corn, snap beans, and southern peas have shown similar responses. Some of the advantages and disadvantages of using plastic mulches are outlined in this publication.
Common smut is a disease that occurs on an annual basis on North Carolina corn. With drought conditions on the rise, the incidence of common smut is likely to be observed.
Nitrogen fertilizer products are being developed and marketed as having the potential to increase yields and nutrient use efficiency, and decrease volatilization (gas). How do these products actually perform on different soils and row crops, under various climatic conditions? This publication summarizes findings from recent studies that investigated alternative nitrogen fertilizer products for row crops in four North Carolina regions.
This factsheet describes the biology of the European corn borer adult, Ostrinia nubilalis, and provides residential management recommendations.
This factsheet describes the biology of the corn earworm moth, Helicoverpa zea, a pest of over 100 plants.
This publication discusses the results of recent nitrogen rate trials in the North Carolina coastal plain that assessed the recommendations of the Realistic Yield Expectation (RYE) database.
This factsheet describes the biology and management of the sting nematode Belonolaimus longicaudatus, an ectoparasitic nematode that affects corn production in North Carolina
This chapter of the North Carolina Organic Commodities Production Guide discusses rolled cover crop mulches for organic corn and soybean production.
This publication discusses elevated nitrate levels in drought-stressed corn silage, which can result in harm to humans and livestock.
This publication provides research-based guidance on using cover crops in organic corn production to suppress weeds and provide fertility benefits.
This publication discusses tillage treatments for large-seeded crops like corn and soybeans in the Piedmont region and recommends minimizing tillage based on research at the Upper Piedmont Research Station.
