ORGANOMINERAL GRANULATED FERTILIZER Russian patent published in 2002 - IPC

FIELD: agriculture. SUBSTANCE: fertilizer includes manure of poultry-breeding complexes and natural siliceous zeolite-containing rock. The latter has the following ratio of components, wt.%: opal-cristobalite, 15-70; clinoptilolite, 6-45; argillaceous minerals, 4-36; among them: montmorillonite, 2-18; calcite, 3-36; fragmental, predominantly, quartz material, 2-22; feldspar, 0.8-5.0. At total content of opal-cristobalite, clinoptilolite and montmorillonite is 55-80 wt.% the fertilizer contains components, wt. %: natural siliceous zeolite-containing rock, 60-80; manure of poultry-breeding complexes, 20-40. EFFECT: higher strength properties and improved agrochemical peculiarities of the suggested fertilizer due to decreased nitrogen losses at storage. 4 tbl, 9 ex