"Organic fertilizers are soil amendments and other types of fertilizers made without synthetic or harmful chemicals," says Peg Aloi, garden expert at House Digest and owner of Albion Gardens.

Which ones should or shouldn't be used on the types of soils I have ... when used as a nitrogen fertilizer, must be injected under the soil surface. Although water-soluble, ammonium attaches readily ...

Look for meal-based options like Scotts Natural Lawn Food or Safer Brand Lawn Restore Natural Lawn Fertilizer. Both contain quality ingredients. Poultry manure-type organic fertilizers are also ...

Samples of Bion AB10, our OMRI Listed 10 percent nitrogen fertilizer (10-0-0), were requested by several major U.S. manufacturers and distributors, with which Bion has been in ongoing discussions. The ...

This can be enhanced through organic and inorganic fertilizers to the soil ... allows the identification of the origin and relative contribution of different types of crops to soil organic matter.