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Effects of Reduced Tillage and Split Fertilizer Application in Organic Broccoli and Pepper Production Systems

The use of tillage is widespread in organic vegetable production, due to its importance for cover crop incorporation, seedbed preparation, and weed control. However, its harmful effects on soil health have spurred interest in systems that reduce the need for tillage. Because nitrogen is often limiting under high residue/reduced tillage conditions, fertilizer management is considered key to crop productivity.
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Practical Farmers of Iowa

Practical Farmers of Iowa is an inclusive organization representing a diversity of farmers. Farmers in our network raise corn and soybeans, hay, livestock large and small, horticultural crops from fruits and vegetables to cut flowers and herbs, and more. Our members have conventional and organic systems; employ diverse management practices; run operations of all sizes; and come from a range of backgrounds. These farmers come together, however, because they believe in nature as the model for agriculture and they are committed to moving their operations toward sustainability.

Great Plains Growers

Great Plains Growers Conference (GPGC) is a combination of two great conferences: Great Plains Vegetable Conference and Mid-America Fruit Conference. The three-day conference features presentations by knowledgeable speakers from throughout the nation. The conference showcases educational information from all five states: Iowa, Kansas, Missouri, Nebraska, and South Dakota, along with vegetable specialists and growers from those states.

Organic Agriculture - Iowa State University

Our mission is to educate producers, consumers and policy makers in the research and extension activities in Organic Agriculture both on-farm and in the Universities. Organic Agriculture involves a production management system based on the ecological principles of nutrient cycling, biotic regulation of pests and biodiversity. Synthetic fertilizers and pesticides are replaced by sunlight-based inputs, such as plant and animal residues. Premium prices for certified organic products drive the immediate economic benefits of Organic Agriculture.