Show S H HEADING BACK APPLE APPl TREE iREE 1 Time to Begin Work When Tree eI Has s v Rea Reached dHe Height of 18 or or 20 o Feet I Which lc Is Limit When apple an apple tree has reached a height of 18 o or o. 20 feet it is time to begin lagin li Heading U b back r This height Is f about the limit up to which good spraying can cnn be done and picking v becomes becomes' more more hazardous In trees al allowed al al- owed lowed to exceed it It is better to limit the the tree tree tree than to l let t it glow grow higher for for a few rears jears and then cut back The cutting back should lie he made made on wood three years old and Just above strong lateral branches which can s supply ppl sufficient leaf surface surface and i bearing earing wood jd If old trees have hate been neglected and allowed to grow with little or or no pruning for q a- a number of years yearS headIng head head- Ing lug back ack can best be done by degrees pruning back part 0 ot the top fop on one year and completing the rest of the work I th the next |