It is generally believed that the tree growth is too nutritious, the supply and demand of nutrients contradicts, resulting in fruit drop; the tree vigor is weak, malnutrition is caused, resulting in fruit drop; long drought and sudden rainfall cause fruit drop; pest damage, soil compaction, root physiological function weakening, can also cause fruit drop.
Preventive measures: First of all, pay attention to the adjustment of tree vigor through various technical means (summer shearing, topping, spraying of plant growth regulators); second, according to the development of the tree, timely carry out basic management under the tree - top dressing, watering, and ploughing pine Soil, to provide a good root ecological environment for the growth and development of jujube; Third, according to the occurrence of pests and diseases, follow the "prevention-based, comprehensive prevention and control" of the plant protection principle, in advance to spray insecticide fungicides to prevent pests and diseases; Fourth, in the jujube One month before normal maturation, spray 40 mg/kg naphthalene acetic acid (first with a small amount of hot alkali water to dilute the naphthalene acetic acid to the mother liquor, then add water), spray once every 15 days, and spray twice.
Royal Jelly is also called Bee Milk. The fresh royal jelly is slightly ropy milk paste substance; it is the excretive mixture of nutrition gland and maxilla gland of the head of little worker bee. The worker bees use this to feed the 1-3 days` worker bee larva and drone larva, 1-5.5 days` queen bee larva and queen bee in the oviposition period. The royal jelly is the biologic product containing very complicated active elements which contains almost all the nutrition elements required by the growth of the human body.
Royal Jelly,Natural Royal Jelly,Healthy Royal Jelly,Organic Fresh Royal Jelly
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