Jujube fruit enlargement management points
At present, the jujube fruit gradually enters the period of enlargement. The heavy vegetative growth and reproductive growth consume a large amount of nutrients stored in the tree, and it is just the time that the mouth has healed. It is the key period for rapid root absorption of nutrients. In this period, the jujube tree has a weaker tree vigor, lack of nutrition, and the ability to resist adverse influences from the outside world. It is often expressed as yellow leaves, fallen leaves, and fruit drop. Therefore, this period needs to strengthen the management of jujube trees. 1. Prevent falling fruit. Young fruit expansion period, the fruit often due to lack of nutrient supply physiological phenomenon of fruit drop, to reduce fruit drop, can be in the tree crown Puzhe strong fruit Ti Ling, once every 7 to 10 days, and even spray 2 to 3 times. 2. Fertilization. The jujube tree without top dressing should use the favorable conditions after the rain is wet or apply fertilizer in time before watering. The jujube trees in the fruit period are each applied with 0.8 to 1 kg of diammonium phosphate and 1 kg of potassium sulfate to increase the tree's nutritional level and disease resistance. 3. Pay attention to pest control. The main insect pests in this period are peach borer and red spider, etc. Special attention should be paid to prevention and control. If the control is not timely, it will cause serious fall and fruit drop. The use of 4.5% beta cypermethrin (Tianlongbao) EC or 15% Zhiling EC 1500 to 2000 times liquid + new high fat film can be used for prevention and control, spraying once every 5 to 7 days. In particular, it is worth mentioning that when spraying pesticides, pay attention to the quality of the sprayed cloth. The crown can be used both up and down, inside and outside the tree shrew, especially on the back of the leaf, in order to improve the prevention and control of pests and diseases. Hospital Baby Crib,Other Hospital Furnitures,Stainless Steel Baby Crib,Medical Attendant Chair NANJING TIANAO MEDICAL INSTRUMENTS MANUFACTURE CO.,LTD. , https://www.tianaomedical.com