Abstract
The organic and biodynamic manures based on animal, plant and house hold waste which have both direct and indirect benefits to soil and crop growth. This paper reports the characterization of organic and biodynamic manures collected from three farms in India. A total of 14 manures were collectedand processed for determination of physico-chemical properties such as pH, EC, total nitrogen, total phosphorus, total potassium, calcium, magnesium, sodium, iron, zinc, manganese, copper, organic carbon and humic acids and microbial enumerations by following the standard methods.The present work on the physico- chemical analysis of different organic and biodynamic manures corroborated with all the results that the biodynamic preparations are rich in micronutrients and BD compost, CPP vermicompost and FarmYard Manure was high in major nutrients (N and K).Based on physico-chemical properties the nutritional index of biodynamic manures was derived. Agriculture or domestic waste can be effectively converted into nutrient enriched manures for soil fertility.
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