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Good Agricultural Practices (GAP) for Fresh Fruit and Vegetable Growers New England Extension Food Safety Partnership Project funded by USDA CSREES – Project.

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Presentation on theme: "Good Agricultural Practices (GAP) for Fresh Fruit and Vegetable Growers New England Extension Food Safety Partnership Project funded by USDA CSREES – Project."— Presentation transcript:

1 Good Agricultural Practices (GAP) for Fresh Fruit and Vegetable Growers New England Extension Food Safety Partnership Project funded by USDA CSREES – Project Number Manure

2 Manure Handling and Field Application

3 Why be Concerned About Manure?  Livestock manure can be a valuable source of nutrients, but it also can be a source of human pathogens if not managed correctly  Some pathogens, such as L. monocytogenes and E. coli sp., may survive and grow in the soil  Keep manure off produce!

4 Primary Nutrients In Animal Manures

5 MircoNutrients In Animal Manure

6 Composting Manure for Safety: What can you do?  Properly and thoroughly compost manure  Incorporate manure into soil prior to planting  Remember to optimize temperature, turning, and time to produce high quality, stable compost. High temperatures achieved by well-managed, aerobic compost can kill most harmful pathogens  If manure is not composted, age the manure to be applied to produce fields for at least six months prior to application

7 Using Manure That is Not Composted: What can you do?

8 Manure 1. Manage compost piles to achieve high temperatures to kill potential pathogens. 2. Plan/Choose: Time application properly and choose crops wisely 3. Know the source. Wes Kline, NJ Agricultural Experiment Station

9  Plan Before Planting  Consider the source, storage, and type of manure being used on the farm  Store manure as far away as practical from areas where fresh produce is grown and handled  Where possible, erect physical barriers or wind barriers to prevent runoff and wind drift of manure  Store manure slurry for at least 60 days in the summer and 90 days in the winter before applying to fields

10  Choose Appropriate Crops  Apply manure to grain or forage crop  Apply manure to perennial crops in the planting year only as the long period between application and harvest will reduce the risks  Avoid growing root and leafy crops in the year that manure is applied to a field  NO side/top-dressing of plants are important steps toward reducing the risk of microbial contamination

11  Time Manure Application Carefully  It is recommended that manure is applied late summer/early fall no later than December  Apply manure in the fall or at the end of the season to all planned vegetable ground or fruit acreage, preferable when soils are warm, unsaturated, and cover-cropped  If applying manure in the spring (or the start of a season), spread the manure two weeks before planting, preferable to grain or forage crops  DO NOT harvest vegetables or fruits until 120 days after manure application

12  Incorporate Manure Into The Soil  Incorporate manure immediately after application  If it is necessary to apply manure or slurry to vegetable or fruit ground, incorporate it at least two weeks prior to planting and observe the suggested 120-day pre-harvest interval  If the 120-day waiting period is not feasible, such as for short season crops like lettuce or leafy greens, apply only properly composted manure

13 Food Safety Partnership  New England Cooperative Extension Food Safety Specialists From: University of Connecticut University of Maine University of Massachusetts University of New Hampshire University of Rhode Island University of Vermont  Other Representatives: State Agriculture Divisions/Departments USDA Agencies (Farm Service Agency, ASCS, NRCS) Farm Bureau Growers Associations Cooperative Extension Agricultural Specialists/Agents


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