Super Greensand Micronized (44 lb)Naturally occurring in marine sedimentary deposits, Greensand is composed primarily of the blue-green siliceous mineral glauconite. Traditionally used to loosen heavy clay soil or to hold together loose sandy soils, Greensand is able to absorb up to one-third its weight in water to improve the moisture holding capacity of garden soils and potting mixes. Green sand is highly recommended for vegetables, fruits, herbs, lawns, ornamentals and all types of trees and shrubs.Greensand is a natural mineral product that has been used for centuries to improve soil quality and enhance plant growth. Derived from ancient sea deposits, it is an excellent source of essential minerals and trace elements that are beneficial for plants. Improves moisture holding capacity of garden soils and potting mixes. Apply at 1-2 Tbs/plant pr per gallon of soil, 5-10 lb/100 sq ft, or 500-2000 lb/acre, depending on soil analysis. Apply 1-2 lbs. per 1 inch of trunk diameter around the base outwards to the drip line Rich Source of Potassium: Potassium is an essential nutrient for plant growth, playing a crucial role in various physiological processes, including photosynthesis and disease resistance. Greensand's potassium content makes it an excellent choice for improving the overall health and vigor of plants. Use according to the current package directions and within a soil-test-based fertility plan. Account for other amendments already applied, measure carefully, water as directed, and store the closed package in a cool, dry location.Compare this product with additional nutrient-specific fertilizers selected for garden and farm fertility programs.