Tag Archives: phosphorus

103 Manure


The lifeblood  of organic production, manures keep your fertility ticking along. Fertility determines your production. Choosing which one to use can be fraught with complications.

What do the NPK numbers mean? Can I trust the figures provided? How do they relate to the seeds I’m using? How much sleep should I lose worrying about this?

Most of the manures I use do not come with an NPK rating. These stand for Nitrogen Phosphorus and Potassium. I mention them because I’ve seen a number of “organic” fertilizers with added chemicals available in a well known hardware supplier. The same is true for blood and bone fertilizers. Continue reading →