Seaweeds for use as fertilizers; gypsum for use as a fertilizer; phosphoric acid; organic digestate for use as fertilizers; humus top dressing; fertilizing preparations; salts for use as fertilizers; superphosphates for use as fertilizers; peat for use as fertilizers; fertilizers; nitrogenous fertilizers; phosphates for use as fertilizers; fluorine; soil conditioning preparations; calcium cyanamide for use as fertilizers; slag for use as fertilizers

'acid':13 'calcium':52 'condit':50 'cyanamid':53 'digest':15 'dress':22 'fertil':5,11,19,23,29,34,39,40,42,47,57,62 'fluorin':48 'gypsum':6 'humus':20 'nitrogen':41 'organ':14 'peat':35 'phosphat':43 'phosphor':12 'prepar':24,51 'salt':25 'seawe':1 'slag':58 'soil':49 'superphosph':30 'top':21 'use':3,8,17,27,32,37,45,55,60

A

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