Sustane 4•6•4 Granular

Suståne 4-6-4 is an organic slow release starter fertilizer and soil builder for all types of plants. Ideal in-furrow starter applications on agronomic crops, and general feeding of specialty crops such as vegetables, roots, herbs, fruits, and flowers. Allowed for use in the production of certified organic crops. Trusted by nurserymen, master gardeners, farmers, and professional growers around the world.

Suståne 4-6-4 is an all natural, compostbased organic starter and maintenance fertilizer. It replenishes the soil with a rich supply of humus and all plant essential nutrients. Suståne 4-6-4 provides a balanced mix of slow release nitrogen and other nutrients derived from biologically stable compost, natural potash, and feathermeal.

  • Adds approximately 5% humates by volume, increasing cation exchange and organic matter
  • Increases nutrient and water holding capacity of the soil, strengthening plant tolerance to hot dry conditions
  • Promotes healthy root development
  • Improves buffering against changes in soil pH
  • Increases the soil’s ability to suppress plant pathogens
  • Increases soil aggregate stability, porosity, and quality for greater root development and water holding capacity
  • Manufactured by Suståne in the USA at an EPA permitted facility
  • Pathogen and weed seed free
  • Contains no pharmaceutical waste
  • Allowed for export to over 60 countries world wide.
  • Derived from aerobically composted materials, so it won’t attract insects or rodents to the application site
  • Contains compost-based microorganisms to help
  • replenish life in poor soils
  • Fully tested and compliant with the national organic
  • standards and the Food Safety Modernization Act requirements for fresh fruit and vegetable production
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