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Just so that you know phosphorus, potassium is not a source of energy in plants.. Nitrogen and carbon dioxide is the source of energy for plants...
All animal byproduct is heat treated before it is used in animal feed so that would kill any disease that might be there...
Chris
Just so ya know, nitrogen and carbon dioxide cannot be utilized by the plant for energy unless it also has these and other valuable nutrients available.
http://www.buzzle.com/articles/the-role--measures-of-nutrients-in-plant-growth.html
What I said was phosphorus, potassium is not a source energy in plants.
Potassium, one of the 17 chemical elements required for plant growth and reproduction, is often referred to as the the regulator since it is involved with over 60 different enzyme systems in plants. Potassium helps plants to resist drought and effects from excessive temperatures. It also increases crop resistance to disease. Potassium aids plants in the production
of starches, controls root growth, and regulates the opening
and closing of pores in plant cells (called stomata), which is important for efficient water use. All plants require potassium,
especially crops high in carbohydrates, such as potatoes.
Studies have shown that adequate
amounts of potassium may promote the growth of long, strong cotton fibers; increase the shelf life of fruits; increase
the stem length and quantity of roses; enhance the green color
and growth of turf grass; and increase the size and quality of fruits, grains, and vegetables...
Phosphorus, one of the 17 chemical elements required for plant growth and reproduction, is often referred to as the energizer since it helps store and transfer
energy during photosynthesis. It is also part of the genetic material of all cellsDNA and RNA. All plants require phosphorus during periods of rapid growth. Most annual plants (plants that grow, reproduce, anddie in one year) require large amounts of phosphorus as they begin to grow. Plants grown in cold weather which
have limited roots and rapid top growth, such as lettuce, are high phosphorus users. Legumes also require plentiful amounts of phosphorus. Established
plants such as trees, shrubs and vines, especially those grown in warm climates with long summers, require the least amounts of phosphorus fertilizer.
http://www.cfaitc.org/Commodity/pdf/Phosphorus.pdf
http://www.cfaitc.org/Commodity/pdf/Potassium.pdf
Chris