Introduction. Costochondritis is the medical term for inflammation of the cartilage that joins your ribs to your breastbone (sternum). Cartilage is tough but flexible connective tissue found throughout the body, including in the joints between bones.It acts as a shock absorber, cushioning the joints.ostochondritis is the medical term for inflammation of the cartilage that joins your ribs to your breastbone (sternum). Cartilage is tough but flexible connective tissue found throughout the body, including in the joints between bones.
Fertilize citrus trees in the spring and summer. The ability of a citrus tree to use nutrients in fertilizer depends largely on whether or not it is growing in the proper soil. Citrus trees most often need nitrogen, although they may also be deficient in minor nutrients.
Newly planted lemon trees growing in average or poor soil benefit from a little high-nitrogen fertilizer in their first year. Fertilizers contain different amounts nitrogen. A good fertilizer for lemon trees is ammonium sulfate, which contains 21 percent nitrogen. Newly planted lemon trees growing in dark, fertile, organically rich soil don't need fertilizer in their first year. Fertilize newly planted lemons trees when new growth appears.