Liquid corn, fish fertilizers 'good options' for organic blackberry production

Researchers evaluated the impact of organic fertilizer source on growth, fruit quality, and yield of two blackberry cultivars grown in a machine-harvested, organic production system. The liquid corn and fish organic fertilizers used, although differing in macro- and micronutrient content, supplied sufficient nutrients to meet plant needs, with the exception of calcium and boron. Results also showed that both fertilizers could be applied through drip lines, but emitter performance was reduced over time.

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