Orchard Groundcover Management - Amaya Atucha
Orchard Groundcover Management - Amaya Atucha
Orchard Groundcover Management - Amaya Atucha
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• Soil N mineralization and recycling groundcover biomass<br />
accounted for over 60% of internal fluxes in both years.<br />
• Harvested fruit represented > 70% of N outputs in both years.<br />
• Most N losses occurred through leaching rather than runoff,<br />
regardless of GMS.<br />
• Positive balance for N supply in Sod and Mulch at this orchard<br />
• Potential long-term problems with N leaching in orchards that<br />
receive high annual inputs of compost, biomass mulch, or<br />
other organic nutrient sources.<br />
• N deficit in both herbicide GMSs without N fertilizer inputs,<br />
because of reduced internal N cycling in these GMSs
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