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Effect of Compost Extract on Head Lettuce Yield

Summary

Compost extract is made by steeping compost in water, then applying the sieved water a soil drench with the intention to increase beneficial soil biota, and increased plant health, Brix and yield. At two farms, compost extract was applied as a drench treatment to head lettuce. Drenching soil with compost extract did not affect lettuce yield at either farm. Drenching soil with compost extract did not affect Brix levels in lettuce at Danreis’ farm.