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 ...

"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.

They emphasized that the impact of organic fertilizers on soil quality simply can’t be matched by other types. Farmers attributed the rising prices to a drop in production caused by fewer ...