The effect of pressure trunk injections of K₂HPO₄, and K₂SO₄.
solutions on the mineral content, growth, yield and fruit quality of
sweet cherry and mineral content of prune were investigated. A
complimentary study presented in Appendix 1, was conducted to
evaluate the short term effectiveness of K soil amendments, mulching...
Observations of annual growth and size and color of leaves and fruit are helpful in determining fertilizer needs. In addition, leaf analysis
indicates which elements are present in adequate, deficient, or excessive amounts. Soil analysis is useful in predicting the need for lime applications. Suspect a nutrient deficiency if poor...