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Detailed Explanation of Methods for Site Selection, Land Preparation, and Transplanting of Angelica sinensis
(1) Site selection and land preparation The seedling-raising plot should be chosen as a cool, fertile, and moist virgin wasteland or previously cultivated land, with loose, fertile sandy loam being preferable; the cultivation plot should be chosen as fallow land or secondary wasteland with deep soil layers. In mid-July, first cut down shrubs and weeds, spread them on the ground, and burn them, then deep-plow the land more than 25 cm, and let it weather and mature under the sun. Then, before planting, while preparing the land, apply 37,500 kg of decomposed stable manure per hectare and plow it into the soil as base fertilizer. Before sowing, shallow-plow once more and make raised beds 1.3 m wide, with furrow width 30 cm and bed height about 25 cm
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What Is Improved Rice Seed? A Detailed Guide to Selecting Seed Varieties Adapted to Local Conditions
Improved rice seed has relatively stable, specific heredity, as well as relative biological, economic and morphological uniformity. In a specific region, under specific cultivation conditions and within a specific period, it meets production needs in terms of yield, maturity period, quality and adaptability. Besides possessing the basic qualifications of a variety, improved rice seed must also have advantages such as high and stable yield, excellent grain quality, disease resistance, insect resistance and strong stress resistance. A good rice seed should include 3 aspects: first, it must have high yield, high quality,
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Methods for Selecting and Preparing Land for Notoginseng Seedling Beds
Choose a shady slope on the back side, with a gradient of about 5°-10°, well-drained soil, loose texture, and a granular structure of red soil or brown-red soil. A slightly acidic soil with a pH of 5.5-7.0 is suitable, while heavy clay soil easily causes root rot and should not be used. Plow the land multiple times 2-3 months before sowing to a depth of 30 cm to let the soil weather, and at the same time thoroughly remove weeds, tree roots, and stones. In conjunction with plowing, apply 75 kg of lime per mu or 25 g/m2 of 50% carbendazim wettable powder mixed into the soil for soil disinfection treatment.
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How to identify high-quality fish fry? Master these selection tips
Check the size of the fish fry. Fish of the same species from the same pond should be uniform and even when harvested, with little difference in body length and weight. In contrast, poor-quality fish fry with large individual differences and uneven sizes often result in a low overall survival rate due to competition for food, mixed genetic stock, poor management and other reasons. Check the body color of the fish fry. High-quality fish fry have bright, glossy body colors. Different species and different farming methods produce fish fry with different body colors. Generally speaking, high-quality silver carp fry should have a silver-gray back and silvery-white sides and belly. High-quality
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Things to Keep in Mind When Selecting Fish Fingerlings in Winter and Spring
1. Pay attention to whether the fingerlings are uniform. If the fingerlings in the same pond vary in size, have relatively straight belly lines, thin and elongated tails, and slender bodies, then after being placed in a fish cage for 30 minutes they will show weak, sluggish movement, and some may even show symptoms of disease. Such fish cannot be stocked into ponds, nor are they suitable for long-distance transport; you may reduce the stocking density or move them to fertilized water for rearing. If they are indeed diseased, timely treatment is also needed. 2. Pay attention to the body length of the fingerlings. Whenever seining exercise is carried out, the fingerlings jump vigorously
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8 Precautions for Selecting Superior Soybean Seeds
1. Pay attention to the seed purity and germination rate. 2. Pay attention to whether free consultation and technical guidance are promised. 3. Pay attention to whether sales outlets have been set up indiscriminately. 4. When mail-ordering seeds, pay attention to sending money via the local post office (branch); do not enclose cash in the letter. Clearly write your detailed address and name, and note the variety and quantity purchased in the remarks column. 5. Pay attention to clearly identifying the trademark and packaging marks. 6. Pay attention to agreeing on the seed price. 7. Pay attention to whether seed quality is guaranteed. 8. Pay attention to contacting by phone or letter before introducing a variety, and you may also consult the relevant units.
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How to Select and Prepare Land for Planting Licorice
Usually, sandy soil that is fertile, loose in texture, well-drained and low in salinity and alkalinity is chosen for planting licorice, and it requires a deep soil layer and a low groundwater table. In North China, Northeast China and Northwest China, licorice should be cultivated on sand dune areas or on high-lying alluvial soil on both banks of rivers; this kind of licorice is rich in powder, low in fiber and strong in sweet taste; saline-alkali land should not be chosen, otherwise the cultivated licorice will have short main roots and many branches, with rhizomes growing horizontally on the surface, thin and weak, and the product will be light in weight, low in powder and not strong in sweet taste. Choose sandy loam with a deep soil layer; as long as it is plowed about 30 cm
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How to Choose Honeysuckle Varieties? A Full Analysis of Seed Selection Techniques
The scientific name of honeysuckle is Lonicera japonica, a semi-evergreen perennial twining vine shrub. It is a commonly used traditional Chinese medicinal herb, known as a natural broad-spectrum antibiotic. At the same time, honeysuckle can also be made into a precious beverage. In recent years, with the expansion of honeysuckle's application fields, its cultivation has moved from extensive management to concentrated operation, from a prostrate growth habit to an upright growth habit, and from one flower harvest per year to four flower harvests per year, greatly increasing yield and significantly improving cultivation benefits. At present, many places are introducing or expanding cultivation, but if variety selection is not taken seriously, the results will be contrary to expectations.
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Detailed Explanation of Key Points on Pear Seedling Selection and Planting Techniques
Selection of pear seedlings: The best ones have a plant height above one meter, stem thickness above 0.8 cm, plump buds, a well-developed root system, no pests or diseases, and no shrunken bark. Seedlings with wrinkled stem bark are mainly caused by being lifted too early and poor moisture retention, and such seedlings are unfavorable for root development after planting. Regarding pear seedling planting techniques, to improve the survival rate of pear seedlings, the following points should be followed when planting pear seedlings: 1. Match pollinator trees well. When planting pear seedlings, pollinator trees need to be planted, and the planting ratio of pollinator trees to main cultivar trees is 1:4-6, preferably planted between rows.
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Huizhou promotes 31 high-efficiency rice varieties for farmers to select for planting
On July 10, experts from the National Agricultural Technology Extension and Service Center of the Ministry of Agriculture, accompanied by the person in charge of the Seed Station of the Provincial Department of Agriculture, visited the Municipal Institute of Agricultural Sciences, the unit undertaking the national rice regional trials in our city, to inspect the national rice regional trial work. It is reported that our city has successively completed the regional trial tasks for more than 400 rice varieties assigned by the state. The experts inspected the implementation of the national rice regional trial field experiments undertaken by the Municipal Institute of Agricultural Sciences and highly praised the institute for its solid completion of the national rice regional trial work. According to reports, the Municipal Institute of Agricultural Sciences since
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