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Soil Nutrient Trends

Soil Nutrient Trends. Organic Vegetable Cropping Systems Project. Cropping Systems. V1—high compost inputs, no legume cover crops, 1.5 cash crops per year V2—low compost inputs, legume cover crops when possible, 1 cash crop/year

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Soil Nutrient Trends

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  1. Soil Nutrient Trends Organic Vegetable Cropping Systems Project

  2. Cropping Systems • V1—high compost inputs, no legume cover crops, 1.5 cash crops per year • V2—low compost inputs, legume cover crops when possible, 1 cash crop/year • V3—low compost inputs, heavy legume cover crops, 1 cash crop every 2 years • V4—similar to V2 but using ridge tillage to reduce tillage intensity

  3. Nitrogen Tie-up • High carbon, moderate nitrogen input in system 1: • Moderate carbon, high nitrogen input in system 3:

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