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What are the methods for propagating goji berry seedlings? Introduction to common seedling-raising methods
Goji berry (Lycium barbarum) can be propagated by seed, cuttings, division, and layering, with seed propagation and cutting propagation being the main methods in field production. 1. Seed propagation: For seed propagation, spring sowing is preferable, and the seedlings can be transplanted and established in the same year. Drilling is mostly used for seedling raising, with furrows opened at a row spacing of 30-40 cm and a furrow depth of 2-3 cm; the pre-germinated seeds are mixed with fine soil or fine sand and scattered into the furrows, then covered with about 1 cm of soil. After sowing, press the soil down and cover with grass to preserve moisture. In the arid and windy areas of the northwest, the method of deep furrow opening and shallow soil covering can be used, with a sowing rate of 0.3-0.5 kg per mu. When the seedlings
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Detailed Explanation of the Seedling Raising Methods and Techniques for Large-Leaf Privet (Ligustrum lucidum)
The seedling raising method for large-leaf privet (Ligustrum lucidum) is as follows: before sowing in early spring, first stratify the seeds in moist sand for about 60 days. Sow in drills with a row spacing of 15 to 20 cm, at a seeding rate of 7.5 to 10 kg per 667 sq m, cover with soil 1 to 1.5 cm thick, and mulch with straw. Germination and emergence generally begin in mid-April; once some of the seedlings have emerged completely, remove the straw and thin the seedlings in time. One-year-old seedlings reach 40 to 60 cm in height and can be lifted for use as hedges; for street trees or courtyard landscaping, they need to be transplanted and grown on as large seedlings for 2 to 3 years, and when the seedlings reach 1.5 to 2 m in height they can be transplanted; large seedlings must be lifted with a soil ball, and part of the branches and leaves should be pruned off.
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The prerequisite for raising mink well is to first get the water quality right.
Ensuring water quality at a mink farm is the foundation for raising mink well. The water quality standard is based on the metabolism within the mink's body and the water content requirements of the products, and mainly covers the following aspects. 1. Cleanliness: clean drinking water has a turbidity below 3 and looks clear and transparent to the naked eye, with no impurities. If there are algae, mud, sand, or fine particles, the water will become turbid, which not only increases the specific gravity but may also breed bacteria and produce toxic and harmful substances. Therefore, selective treatment measures must be used, or the water must be boiled and filtered to remove residue before it can be used for @#@251@#@.
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Detailed Explanation of Key Techniques for Sowing and Raising Goji Berry Seedlings
Seedling raising by direct sowing, that is, sexual propagation. It uses seeds to propagate seedlings. The advantage of this method is that a large number of seedlings can be raised in a short period of time, meeting the urgent need for seedlings in production, and it is low in cost and easy to master. The disadvantage is that the seedlings produced vary greatly, the superior traits of the mother tree cannot be maintained, and fruiting is late with poor quality. However, considering the current need for large quantities of seedlings in production, although this method has disadvantages, it still has certain application value. Seed preparation: There are many varieties of goji berry, but the three varieties Ningqi No. 1, Ningqi No. 2 and Damaye are relatively good.
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Key Technical Points for Raising Taxus Seedlings in Container Bags and Afforestation
Taxus (yew), a tree species under first-class national key protection, is an evergreen tree reaching 30 m in height, with bark grayish brown, reddish brown, or dark brown, splitting into strips; first-year branches green or pale yellow-green; leaves linear, slightly curved or straight, apex gradually and slightly acuminate, with dense, uniform, minute rounded horn-like papillary protuberances on the midrib beneath; seeds ovoid, with a protruding short blunt tip at the apex; heartwood orange-red, sapwood pale yellowish brown, grain straight, extremely hard and durable, used for high-grade furniture, piano casings, joinery, etc., and regarded by the public as a treasure. Taxus grows mostly wild
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Detailed Explanation of the Method for Sprouting and Raising Black Locust Seedlings from Root Segments
Black locust (Robinia pseudoacacia) is tolerant of drought and poor soil and grows quickly, making it a good tree species for rural landscaping around homes and for block planting. If the root-segment sprouting method is used for raising seedlings, it is not only low in cost and simple to carry out, but the seedlings are also of good quality. 1. Site selection and bed preparation Choose a nursery site that is sheltered from the wind, faces the sun, has level ground and good drainage as the hotbed. Before making the beds, apply 1000 kg of organic fertilizer per mu, and 50 kg each of ammonium bicarbonate and superphosphate; after plowing and harrowing level, scatter a 100:1 bait of bran and methamidophos on the bed surface to prevent damage from underground pests such as mole crickets. The beds should run north-south, 1.5 m wide and about 12
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What is the appropriate stocking density for raising pigs?
The stocking density of pigs refers to the pen area occupied by each pig, usually expressed as "sq m/pig". Stocking density indicates how densely the pigs are housed in the barn. Stocking density has a great influence on the air environment inside the barn. If too many pigs are housed, more heat is released, which helps keep the pig barn warm in winter but is unfavorable for heat protection and cooling in summer; it increases the levels of harmful gases, water vapor, dust and microorganisms in the barn, and also makes fighting among pigs frequent, affecting feed intake and rest. If too few pigs are housed, then
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Points to note when raising pigs in summer: do not throw cold water on the pigs
In summer, when the temperature is high, pigs often pant loudly from the heat. Some farmers, worried that the pigs will fall ill from the heat, throw cold water on the pigs, hoping to cool them down and make them feel more comfortable, not realizing that this is harmful and does no good. Pigs pant from the heat because their sweating is poor, so the heat in their bodies cannot be released for the time being. If cold water is thrown on a pig at this time, the strong cold stimulation makes the sweat pores all over the pig's body contract sharply, the release of body heat is blocked, and the body temperature instead rises abruptly; in mild cases the pig develops a high fever and inflammation of the lungs, and in severe cases it
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Raising pigs and chickens in a layered, combined system yields high profits and is worth learning from for farmers.
It is reported that this good method of raising pigs and chickens in a layered, combined system was first promoted and used in rural areas across Shanxi in 1998. Seven years later, this rearing method has been widely promoted in most rural areas of our country and has achieved good economic and social benefits. According to farmers using the combined pig-chicken system, in a combined pig-chicken house of about 32 sq m, using the raised-bed cage method (chickens on the upper layer, pigs on the lower layer), the upper layer can raise about 180 to 200 laying hens, and the lower layer can raise 6 to 8 fattening pigs (or 10 to 15 piglets), with the pigs directly pecking at and eating fresh chicken manure.
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Notes for Beginners on Raising Chickens and Key Points of Daily Feeding Management
Notes for Beginners on Raising Chickens
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