Organic sweet potato fertilizer trial

Project Overview

Project Type: Farmer
Funds awarded in 2007: $2,806.00
Projected End Date: 12/31/2009
Region: Northeast
State: New Hampshire
Project Leader:
James Warren
Fertile Fields Farm


  • Agronomic: soybeans
  • Vegetables: sweet potatoes


  • Crop Production: organic fertilizers, application rate management
  • Education and Training: display, extension, farmer to farmer, on-farm/ranch research, workshop
  • Production Systems: organic agriculture
  • Soil Management: soil analysis, soil quality/health
  • Sustainable Communities: new business opportunities, sustainability measures

    Proposal summary:

    Sweet potatoes have market potential for diversified vegetable growers in the Northeast, but production recommendations for this crop have yet not been developed for the region. A search through recommendations from other parts of the country have yielded contrasting recommendations. The project manager will try to determine the appropriate level of added nitrogen needed to produce organically grown, high-quality, marketable sweet potatoes. Outreach will be through workshops and publications.

    Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture or SARE.