Biological reactors in the nature of biological preparations for use in industry and science that use earthworms and microbes to convert agricultural waste consisting of manure, crop residue, or vegetable refuse into potent, valuable fertilizer; compost; fertilizers; Agricultural fertilizers and plant growth micronutrients

'agricultur':22,38 'biolog':1,7 'compost':36 'consist':24 'convert':21 'crop':27 'earthworm':17 'fertil':35,37,39 'growth':42 'industri':12 'manur':26 'microb':19 'micronutri':43 'natur':5 'plant':41 'potent':33 'prepar':8 'reactor':2 'refus':31 'residu':28 'scienc':14 'use':10,16 'valuabl':34 'veget':30 'wast':23

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