Nutrient sources for trunk and foliar treatments in preliminary tests
Nutrient | nutrient source | Elemental |
---|---|---|
nitrogen | urea | 8.5% |
potassium | potassium sulfate | 15.0% |
phosphorus | mono-sodium phosphate | 21.0% |
calcium | calcium acetate & calcium chloride | 9.5% |
magnesium | magnesium sulfate | 4.0% |
manganese | manganese sulfate | 3.4% |
iron | ferrous sulfate | 2.2% |
zinc | zinc sulfate | 1.3% |
copper | copper sulfate | 0.9% |
boron | boric acid | 0.6% |