However, salary varies widely based on location, type of work environment, and level of training and job experience. Medical assistant salary also depends on the specific job description, as medical assistants can perform many different duties.
Soil pH and Fertilizer. Keep the soil pH more acidic, around 6.0 to 6.5. You can test the soil pH every few growing seasons and add dolomite limestone to raise the pH if necessary. You can add sulfur to lower the pH. When growing grapefruit in Florida, fertilize the trees three times a year with a citrus fertilizer; in California, only add nitrogen. Your best bet is to have the soil around the root base tested to make sure your grapefruit tree has all the nutrients it needs.
To maintain healthy trees, fertilize citrus every six weeks when the tree is under seven years old with a good citrus fertilizer, not fertilizer tree spikes. Adult trees should be fertilized often but in small amounts. Fertilize from October through February.hen roots of the tree sit in water, they have a tendency to develop root rot, which in turn results in the lemon tree dropping leaves. Mulch around the root area, minimize irrigation, plant in well draining soil and keep grass away from the base of the tree to avoid root rot and its accompanying problems.