Patent ID: 6293047
Filing Date: 2001-09-25
Classification: C05D,Y10S

Abstract:
A method of treating soil to increase the activity of microorganisms therein, comprising a step of adding a pulverized mineral composite to the soil in an amount ranging from 2 to 12 kilograms per cubic meter of soil,said pulverized mineral composite comprising not more than 20 weight percent Si, 10-20 weight percent Ca, 2-10 weight percent Mg, 2-10 weight percent Fe, 1-10 weight percent K, 1-5 weight percent Al, 0-3.0 weight percent Na, 0-5.0 weight percent Ti, 0-1.0 weight percent Mn, 0.005-0.5 weight percent P, 0-0.01 weight percent Ba, and 0-0.005 Cr;wherein said mineral composite is in powdered form with a mean particle size less than or equal to 5.mu.;wherein the particles making up the composite material are substantially uniform in size;and further wherein said mineral composite has a surface area in a range of 0.8-1.5 m.sup.2 /cm.sup.3.