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Key points of tea cultivation: selecting improved varieties and reasonable close planting
1. Selecting improved varieties Seeds (seedlings) are the basic means of production in tea cultivation, and any cultivation method is built on the improved varieties of a given period. Since the 1980s, tea cultivation has entirely adopted the close-planted, dwarfed, no-tillage method. Because individual space is reduced and population density increased, it is all the more necessary to match this with suitable improved varieties in order to achieve the desired results. For example, Fuding Dabaicha, Qianmei 101, Qianmei 303 and others are all fine tea varieties suitable for close planting. 2. Collection and
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A Detailed Guide to Selecting and Disinfecting Lily Bulbs
Before planting, according to the natural growth of the seed bulbs, carefully separate the small bulbs growing joined together (one bulb can consist of 2-5 small bulbs) with a bamboo knife or by hand, and grade them by size. The large ones are sold, the small ones are kept for continued bulb propagation, and the medium ones are used as seed bulbs. The size of seed bulbs varies by variety; generally 3-5 cm in diameter and about 35-50 g in weight. You should also choose bulbs free of pests and diseases, damage, and deformities as seed bulbs, and do not damage the existing root system when separating the bulbs. Disinfection method: soak in a 1:500 benomyl or captan solution for 20-30 minutes.
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Key Points on Selecting Improved Tea Varieties and Transplanting Techniques
1. Varieties suitable for making flat-shaped green tea: (1) Longjing 43: sprouts extremely early, strong cold resistance, high yield, but poor tolerance to high temperatures and prone to leaf blight. Best planted in mountainous and high-mountain tea gardens where flat-shaped tea is picked and processed. (2) Wuniu Early: sprouts extremely early, strong tenderness retention, medium sprouting density, excellent quality for making flat-shaped tea. (3) Pingyang Tezao: sprouts extremely early, vigorous growth, does not flower, produces flat-shaped tea with a green and lustrous color, strong aroma, and excellent quality. 2. Varieties suitable for making strip-shaped green tea: (1) Yingshuang: sprouts early, strong tenderness retention, long picking period, yellow-green buds
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What points should be noted when selecting a Cairn Terrier?
(1) First look at some materials introducing this breed of dog, to understand its appearance characteristics and basic traits, so as to have a clear target and avoid being cheated by inferior goods, causing financial loss. (2) Cairn Terriers are mostly purchased as pets, so special attention should be paid to the choice of coat color, with red, black-brown, gray or tawny being preferable. (3) The coat on all parts of the body should also meet the following requirements: the hair on the ears should preferably be dark brown, and the hair on the muzzle should preferably be
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What are the precautions for selecting wild eel fry
To succeed in farming yellow eels (Monopterus albus), high-quality fry is the prerequisite. Therefore, when selecting high-quality wild eel fry, the following ten points should be noted. 1. The size of the eel fry should be appropriate. Generally, the artificial farming period is 5-6 months, and the weight gain multiple is 2-4 times. At the end of the year when selling, only individuals with a size of over 100 g can fetch a higher price. Therefore, fry stocked in April-May should weigh over 30 g. 2. Try to choose cage-caught fry. Yellow eel fry come from two sources: artificial breeding and natural capture. The number of artificially bred fry
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Key technical points for selecting trees for log cultivation of shiitake mushrooms
In China, there are about one hundred plus tree species suitable for shiitake mushroom production, among which some tree species give relatively high shiitake yields, while others give relatively low yields. Generally speaking, trees suitable for growing shiitake mushrooms must first have bark of moderate thickness that does not shed easily, and second must be moderately solid, with little heartwood, more sapwood, and no toxic substances. From the perspective of economic value and use value, trees of Fagaceae, Hamamelidaceae, Aceraceae and Hamamelidaceae are generally ideal tree species. Those commonly used in production include Castanopsis, Castanopsis carlesii, maple, Acer, oak and Quercus dentata, etc. It should be particularly pointed out here
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How to raise meat dogs? Selecting good breeding dogs is key
To succeed in dog breeding, you must select excellent breeding dogs. In general terms, a meat dog refers to an F1 or F2 crossbred dog produced by crossing a large purebred dog with a local dog, or a dog bred by crossing F1 and F2 generations back together. The selection of the purebred male dog is especially important. Currently, the purebred male dogs selected in China include the Tibetan Mastiff, Great Dane, Saint Bernard, and others. Among them, the F1 generation of the Tibetan Mastiff is active and fierce, not suitable for group raising; the F1 generation of the Great Dane has a low meat yield. The Saint Bernard, however, as a sire line for meat dog breeding, has the following advantages: fast growth rate, adult male dogs 75-100
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What are the correct methods for selecting fishery drugs?
Aquaculture farmers should select fishery drugs or feed medication additives based on the pathogens of the cultured species and the instructions for the fishery drugs. The selected medicated feed additives should comply with the provisions of the "Regulations on the Administration of Feed and Feed Additives" (Annex 2). Drugs or additives prohibited by the state (Annex 3) must not be used, nor should feed with added antibacterial drugs be stored for long periods. Before selecting fishery drugs, the disease should first be diagnosed, and then the fishery drugs should be accurately selected by considering the drug, pathogen, environment, the cultured animal itself, and human health.
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A Detailed Guide to Selecting and Using Fishery Drugs: A Practical Guide for Farmers
When selecting fishery drugs, the "three certificates" must be complete (production license, production approval certificate, execution standard number), and there must be a product quality certificate. Legitimate fishery drug manufacturers have applied for registered trademarks; the trademark design, image, text, etc. are indicated on the packaging, labels, and instructions, and are marked with the words "registered trademark" or a registration mark. The quality of the inner and outer packaging materials of fishery drugs should be good. Generally, the packaging is marked with instructions for use, trade name, chemical name, drug composition, content, production approval number, manufacturer name, address, production batch number, production date, validity period, indications or functions and main treatments,
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Practical Tips for Selecting Bonsai Tree Stumps in Winter
1. Types of tree stumps. From a cultivation standpoint, they should tolerate pruning and be easy to wire; from an aesthetic standpoint, the stump's appearance should meet conditions such as small leaves, curved branches, abundant flowers and bright fruit. Common evergreen types include: Ilex aquifolium (bird-lime holly), Quercus acutissima (sawtooth oak), Syzygium buxifolium (boxleaf syzygium), Elaeagnus pungens (thorny elaeagnus), Mahonia fortunei (Chinese mahonia), Nandina domestica (heavenly bamboo), Pyracantha fortuneana (Chinese firethorn), etc.; common deciduous types include: Euonymus alatus (winged euonymus), Adina rubella (Chinese buttonbush), Sageretia thea (Chinese sweet plum), Lagerstroemia indica (crape myrtle), Acer buergerianum (trident maple), Ligustrum quihoui (waxyleaf privet), Ulmus parvifolia (Chinese elm), Wisteria sinensis (Chinese wisteria), etc. Deciduous types can be purchased in both winter and spring. 2. Vitality of the tree stump. ① Scrape the rough outer bark of the trunk; if the inner layer is greenish and fine water droplets seep out, it is a fresh stump;
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