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.
Fertilize 3- and 4-year-old Meyer lemon trees 2 cups of 21-0-0 ammonium sulfate split into three applications in January or February as soon as new growth is evident. Spread the material from the trunk to the treeâs drip line and water it in thoroughly. Repeat in April or May and again in August or September.