A kind of cattle bone powder biofertilizer and its preparation method

Abstract

The application discloses a kind of cow bone powder biological fertilizer and preparation method thereof, which is prepared from the following raw materials by weight: cow bone powder 40-60 parts, mature organic fertilizer 20-30 parts, compound microbial inoculant 1-3 parts, activator 2-5 parts, water-retaining agent 1-2 parts, trace element additive 0.5-1.5 parts.The cow bone powder biological fertilizer and preparation method thereof use cow bone as the main raw material, through scientific preparation process, fully extract calcium, phosphorus, crude protein and other nutrients in cow bone, while realizing the recycling of cow bone oil, solving the problem of cow bone resource waste and environmental pollution, realizing the resource utilization and harmless utilization of waste, meeting the green agricultural development concept, combining the inorganic nutrients of cow bone powder, the organic matter and organic nutrients of mature organic fertilizer, the biological activity of compound microbial inoculant and the trace elements of trace element additive, the nutrients are comprehensive, which can meet the nutrient demand of crop growth throughout the process.