recipes for success
Greensand
Greensand is a slow-releasing potassium source. Generally
speaking, greensand is used to improve soil’s condition rather
than boost potassium content.
Common phosphorus (P) ingredients:
Bat guano (high phosphorus)
High-phosphorus bat guano is an excellent source of
phosphorus that is known to not only increase flower
and fruit sets, but also their size, aroma and flavor. Many
brands of high-phosphorus bat guano are also a great
source of calcium.
Bone meal
This excellent source of phosphorous is revered for its
ability to promote strong root development. Bone meal is
also a great source of calcium.
Fish bone meal
Fish bone meal is basically the same thing as bone meal
except it is derived from fish. It is a great source of phosphorus and calcium.
Seabird guano
Seabird guano, like bat guano, is known to increase the
amount and size of flower and fruit sets. It is also an excellent source of phosphorus
and micronutrients.
Rock phosphate
Rock phosphate is a slow-releasing phosphorus source
that is commonly extracted into a liquid form to increase
availability. It is best used for plants that need a slow and
constant release
of phosphorus.
Common potassium (K) ingredients:
Hardwood ash
This is the original source of potash fertilizers. Hardwood
ash can be used as a direct soil additive to increase potassium levels; however, most of the ti