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Detailed Explanation of Air Layering Propagation Methods and Technical Key Points for Southern Magnolia
1. Items needed: potting soil (by volume, the ratio of garden soil, moss, and aged rice husk ash is 1:0.5:1, mixed with water until it forms a ball when squeezed by hand, with a slight water mark showing but not dripping); pruning shears; grafting knife; plastic film (30 cm long, 25 cm wide); small coir rope, etc. 2. Mother tree selection: choose a mature tree 160-200 cm tall (for ease of operation), growing vigorously with relatively dense branching. 3. Layering time: early April to early May is most
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Cultivation and Management Methods and Technical Key Points for Spray Chrysanthemums
Chrysanthemums are one of the ten traditional famous flowers of our country. They can be grown in a wide range of regions, with many varieties, abundant flower colors, and changeable flower forms. They bloom proudly in the frost of late autumn when a hundred flowers have withered, and have high ornamental value. Potted spray chrysanthemums in particular are deeply loved by people because of their compact plant form, neatly arranged flowers, and ability to display varietal characteristics. How to grow spray chrysanthemums well - technique is the key. 1. Pot soil preparation. Whether chrysanthemums grow well and how they bloom is closely related to pot soil preparation. Chrysanthemums dislike waterlogging and tolerate drought, like a certain amount of fertility, and
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A Complete Guide to the Key Technical Points for Establishing an Apricot Orchard for Kernel Production
Apricot trees are fruit trees that love sunlight, tolerate drought, and fear waterlogging and frost, so an orchard should be established on a sunny, high, and dry site; it must not be established on shady slopes, waterlogged lowlands, or valley bottoms where cold air easily settles. Apricot trees are long-lived fruit trees; generally even 100- to 200-year-old trees still bear heavily, so the planned row and plant spacing should be somewhat large. However, to meet the need for early high yields, temporary trees can be set up when the orchard is established, and gradually thinned out or transplanted as the trees age. The row and plant spacing for the permanent rows can be designed at 4 m x 6 m, and for temporarily densified orchards at 2 m x 3 m; by around 10 years of age the temporary trees should be dealt with in time.
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How is exported ginger sprout produced? Key technical points explained in detail
Exported ginger sprouts are cultivated similarly to conventional ginger, using a densely planted "small ginger" variety with many branches, at a sowing density of 10000 plants per mu; the main cultivation and management techniques are: applying more base fertilizer, topdressing and watering early, promoting early branching and growth of the ginger, and paying attention to shading. Ginger sprout production can be carried out from the stage when the ginger has grown full seedlings all the way to the ginger harvest period. Softened ginger sprout production requires focusing on the following key steps: (1) Build a good cultivation site. A cultivation room converted from an idle house, warehouse, or a greenhouse or solar greenhouse can be used.
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Processing Methods and Technical Key Points for Pickled Jerusalem Artichoke
Jerusalem artichoke, botanically known as Helianthus tuberosus, is a plant of the Asteraceae family. It can be used to produce health food with a unique flavor. 1. Process flow: raw material processing → sun-drying → initial pickling → removal of brine → second pickling → slicing → rinsing → seasoning → sterilization. 2. Processing key points. 1. Raw material pretreatment: First wash the raw materials with clean water, discard impurities and rotten, damaged, spoiled, or moldy tubers, rinse again with clean water, then place in a bamboo basket to drain. 2. Sun-drying: Spread the rinsed clean raw materials on a bamboo rack or clean cement slab, spread them evenly and thinly, and let them dry in direct sunlight. Turn them once in the morning and once in the afternoon until they feel soft when squeezed by hand; generally dry for 2 days.
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Key Technical Measures for Stocking Fish Fry in Winter
As the saying goes, "Stock fish fry in spring and they catch disease; stock fish fry in winter and they grow three fen." Practice has proven that the period from the Winter Solstice to the Start of Spring is the best time to stock fish fry. There are three reasons: first, the fry are plump and firm-scaled at this time, with strong adaptability. Second, the low water temperature weakens the fish's activity, resulting in a high survival rate during catching and stocking. Third, it avoids the trouble of merging ponds for overwintering, allowing the fry to be dispersed and intensively reared earlier, promoting early spring growth. 1. Pond renovation. Use the idle winter season to renovate fish ponds: turn small ponds into large ones, stagnant ponds into aerated ones, and shallow ponds
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Prevention and Control Methods and Technical Key Points for Porcine High Fever Syndrome
"Porcine unknown high fever," also known as porcine high fever syndrome, is a disease with high morbidity and mortality rates, occurring mainly in growing-finishing pigs and some sows. The main clinical manifestations in affected pigs are elevated body temperature, depression, loss of appetite or complete anorexia, difficulty breathing, panting, with some pigs showing symptoms such as reddened to purplish skin, and a few having hemorrhagic spots at the hair follicles. The pathogens are mainly mixed infections and secondary infections involving multiple viruses, bacteria, and parasites, including classical swine fever virus (HCV), porcine reproductive and respiratory syndrome virus (PRRSV)
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Analysis of Key Technical Points for Increasing the Yield of High-Grade Tea
With the development of our country's economy, the improvement of people's living standards, and the continuous deepening of opening up to the outside world, high-grade tea is increasingly favored by the market, and its sales volume is growing year by year. Therefore, how to increase the yield of high-grade tea has become an important research topic in tea production. To this end, the author conducted technical explorations in many aspects, gained some experience, and achieved good results. The main steps are introduced as follows; 1. Strengthen autumn and winter fertilization of tea gardens. In winter, apply sufficient base fertilizer and additional quick-acting nitrogen fertilizer, giving full play to the spring effect of fertilizers, so that spring tea is high-quality
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Key technical points for autumn and winter management of mulberry trees, tea trees and fruit trees
I. Winter management of mulberry fields Doing a good job of winter management of mulberry fields lays a solid foundation for the growth of mulberry trees in the coming year and is also an important measure for increasing the yield and quality of mulberry fields. 1. Clearing the field: After the mulberry leaves fall, collect all the residual leaves and weeds in the mulberry field to make compost or burn them, so as to eliminate pathogenic bacteria and overwintering pests hidden in the mulberry leaves and weeds. 2. Bundling: Before winter plowing, use rice straw to bundle the mulberry branches together, which not only facilitates winter plowing and fertilization, but also lures pests to hide in the bundled straw to overwinter, making it easier to capture and kill them. 3. Winter plowing: Control the plowing depth at
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Harvesting, Processing Methods and Technical Key Points for Pinellia ternata
Those propagated from tubers are harvested in the same year or the following year, while those propagated from seeds can only be harvested in the 3rd to 4th year. Harvesting is generally carried out in summer and autumn after the stems and leaves have withered and fallen over. After digging them out, pack them in baskets, wash off the mud and sand while they are still fresh, put them into gunny sacks and rub off the outer skin, then pour them out and wash the outer skin clean with clear water. Scoop them out and dry them in the sun to obtain Pinellia ternata. Generally, the yield of fresh tubers is 500-750 kg per mu, and the drying ratio is about 30%.
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