-
What should be noted when bagging Ya pears?
What should be noted when bagging Ya pears? Please help explain the following 5 points to note when bagging Ya pears: (1) Leave an appropriate number of fruits. Generally, each fruit needs 20 leaves to provide nutrients. (2) In northern fruit-growing areas, bagging is generally done immediately after fruit thinning is completed in mid-to-late May, and should be finished before early June. (3) Before bagging, insecticides and fungicides should be sprayed carefully...
-
How should fertilizer be applied when growing organic onions?
How should fertilizer be applied when growing organic onions? Please give guidance. For organic onions, you can refer to the following fertilization methods: Base fertilizer: organic base fertilizer combined with 15 kg of urea, 10 kg of diammonium, and 7 kg of potassium fertilizer, applied all at once. Top dressing: apply in three rounds. First round: two weeks after transplanting, apply 6 kg of nitrogen fertilizer as top dressing, ...
-
What pesticide should be sprayed before the Crisp Pear blooms? Spraying scheme analysis
What pesticide should be sprayed before the Crisp Pear blooms? Please explain in detail: spray 5 degrees Baume lime sulfur once before spring bud break to eliminate overwintering pests and diseases. For trees infected with rot disease and black shank disease, scrape off the diseased spots and apply 843 Recovery Agent undiluted. For leaf pests such as pear aphids, pear psyllids, and aphid-eating weevils, from bud break to after petal fall, spray 20% fenvalerate 1000 times dilution, or 5% beta-cypermethrin 1000 times dilution plus 3000-4000 times dilution of 10% imidacloprid.
-
What should be noted when planting sunflowers?
What should be noted when planting sunflowers? There are ten points to note when planting sunflowers: 1. Reasonable crop rotation, choose a good previous crop. Sunflowers are not suitable for continuous cropping, nor for planting in low-lying, waterlogged plots. The choice of previous crop is not strict; apart from sugar beet and deep-rooted forage grass, any other crop can serve as the previous crop for sunflowers. Sunflowers are...
-
How should sunflowers be planted to achieve high yields?
A reader called in: My hometown is now planting sunflowers on a large scale for rural tourism, but the locals have no experience growing sunflowers. How can we grow beautiful, high-yielding sunflowers? Answer: To get high returns from sunflowers, you need to start from several aspects: a. Site selection and land preparation. Sunflowers are not very demanding about the previous crop. Apart from deep-rooted crops such as sugar beet...
-
How to prevent and control green-shoulder in tomatoes? These methods you need to know
What methods can prevent green-shoulder in tomatoes? Please advise. The green-shoulder fruit of tomato is a type of rib rot. There are many causes of green-shoulder fruit in tomatoes, the most important of which is unbalanced fertilization, caused by high nitrogen and low potassium. Excessive application of nitrogen fertilizer with relatively insufficient potassium is the main cause of green-shoulder fruit in tomatoes....
-
When should outdoor bonsai be moved indoors? Master these 5 points for safe overwintering
Today there is finally a hint of autumn coolness after the hot summer. At this time, for the plants we usually care for, we need to consider moving them indoors at the right time. Because the weather every winter is relatively cold, and some plants are not cold-tolerant...
-
How should fruit thinning and bagging be done for Dangshan crisp pears?
How do you thin fruit and bag Dangshan crisp pears? Please guide. Fruit thinning and bagging for Dangshan crisp pears can refer to the following methods: 1. Fruit thinning technique: Thin crisp pear fruit starting one week after petal fall, completing it within one month; late thinning is not as good as early thinning. The amount of fruit retained should be based on the principle of not affecting flower bud formation the following year, ensuring the current year's yield and quality, not weakening the tree vigor, and maintaining a certain nutrient reserve. The fruit retention index should consider the following factors:
-
How should apple trees be pruned after entering an "on" year?
How should apple trees be pruned in an "on" year? Please provide guidance on the pruning principles for "on" year trees. On the premise of ensuring the current year's yield, appropriately control the amount of flowers and fruits retained, reduce consumption, increase accumulation, and promote flower bud formation. The specific methods are: 1. "On" year trees have many flower buds. To reduce flower buds and improve ventilation and light conditions, thin out or cut back poorly positioned auxiliary branches and large scaffold branches; thin out overly dense fruiting branches or fruiting branch groups; the outer extension branches should be cut at a plump bud, and the one-year-old excessively long branches below them should be appropriately thinned; for one-year-old vegetative branches in the inner canopy, except for specially long ones that are cut back, generally prune lightly or not at all, so as to form a certain number of flower buds for the "off" year.
-
How should young apple trees be planted to bear fruit early?
How should young apple trees be planted to bear fruit early? Please give guidance. To get young apple trees to bear fruit early, you can refer to the following planting methods: 1. Management techniques. Young trees refer to trees that have not yet entered or have just entered the fruiting stage, aged 1 to 4 years. During this period, the key points of care are: first, growing the tree quickly; second, forming a good shape and developing a high-yielding framework that can carry the crop load...
条件筛选