OSA (Organic Soil Activator) is rich in organic substances, amino acid, trace elements, and soil probiotics. The purpose of OSA is to encourage the spontaneous metabolism of the soil environment, and then to further enrich the soil diversity and the food chain.
　　 OSA is very different from the organic liquid fertilizers on the market. It can encourage the growth of plantings, improve the quality, protect the soil, and especially enhance the potential of the soil sustainability.

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