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Techniques for large-scale rearing of bream summer fry, suitable for triangular bream and blunt snout bream
Bream (triangular bream, blunt snout bream) are high-quality freshwater fish. They are not only excellent species for pond culture but also suitable for stocking in large water bodies, where their tendency to readily form natural populations can be used to achieve resource protection and enhancement. The techniques for large-scale rearing of bream summer fry are described below: 1. Conditions of the summer fry rearing pond. The summer fry rearing pond requires an abundant water source, unpolluted water quality, and convenient filling and drainage. The area should not be too large, generally 1-3 mu, with a water depth of 1-1.2 m being suitable. The pond must not leak,
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The Mopan jujube is an ornamental tree suitable for courtyard planting
Aliases: Mozi jujube, Hulu jujube (Hebei), Yaohulu jujube (Gansu). It is fairly widely distributed; it is cultivated in places such as Dali in Shaanxi; Qingyang in Gansu; Jiaohe, Qingxian, Xianxian, Quyang, Daming and Weixian in Hebei; and Leling, Wudi and Xiajin in Shandong, but the quantity is very small, mostly planted scattered around the four sides [of homes and fields]. It has a long history of cultivation. The tree is vigorous, relatively large, with medium-strong trunk dominance; the crown is a natural semicircle and the tree posture is open. A 23-year-old tree: trunk height 1.1 m, trunk circumference 60 cm, tree height 7.35 m, crown diameter about 7 m. The main trunk is grayish brown, with deep bark cracks
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What are the suitable growing conditions for tea plants? A detailed explanation of the suitable growing environment
Heat: The heat condition is generally expressed by temperature, and what mainly affects the growth and development of tea plants is air temperature and soil temperature. The biological minimum temperature for tea plants is generally around 10°C (the growth starting temperature); early-budding varieties may have a minimum below 10°C, while late-budding varieties have one above 10°C. The optimum temperature for tea plant growth refers to the temperature at which tea plants grow most vigorously and actively; it varies with variety and place of origin, and is mostly 20°C-30°C. Temperature difference: the day-night temperature difference directly affects the accumulation of photosynthetic substances. When daytime temperatures are high, photosynthetic substances are synthesized
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Two Simple Tricks to Quickly Get Farmed Fish to Come to the Feeding Table
In recent years, with the continuous development of fish farming technology, the method of raising fish with complete granular feed has been gradually promoted and applied. However, because many fish farmers are not skilled at feeding and conditioning, the fish being trained are slow to come to the feeding table, which not only affects feed intake and delays growth, but also increases costs and affects farming efficiency. Below, we introduce two simple and easy successful conditioning methods that we have summarized in production practice for the reference of users. 1. Feed hanging-bag conditioning method: Use large-mesh window screen (with mesh fine enough not to let feed through) to make a hanging bag that can hold 1.5-2 kg of feed.
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What are the suitable humidity conditions for the growth of Gastrodia elata?
In addition to temperature, humidity is also an important factor in the growth of Gastrodia elata. The annual rainfall in Gastrodia elata-producing areas is generally above 1000 mm. In some producing areas in the southwest, rainfall is mostly around 1700 mm, and the average relative humidity is 70%-80%. The climate conditions are often continuous drizzle and rainy and humid, which are most suitable for the growth of Gastrodia elata. Therefore, in artificial cultivation of Gastrodia elata, the humidity during the growth period should be controlled at about 60%, and during the overwintering period at 30%-40%. When the temperature is high, it does not matter to Armillaria mellea, but the Gastrodia elata tubers are prone to rot; while when the humidity is low, Gastrodia elata
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Which pear varieties are suitable for processing? Here is a detailed introduction
The Bartlett pear is a world-famous variety used both for fresh eating and canning. Besides the Bartlett pear, there are also the Guifei pear, Jinxiang pear, and Aixiang pear. (1) Guifei pear: native to the United States, it is a natural seedling of pear. There is a small amount of cultivation in Liaoning Province. The outstanding advantages of this variety are extremely high yield, resistance to disease, resistance to insects, resistance to heat, and wide adaptability. Its fresh-eating quality is poor, and in the United States it is mainly used for canning and cooking. The fruit is medium to large, weighing about 150-200 grams, short spindle-shaped. The fruit stalk is thick and straight, 3-7 cm long, and the base often enlarges into a fleshy form
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Piqiu Tao is a firm-fleshed peach variety suitable for cultivation in the Yangtze River Basin.
Originating in Chengdu, Sichuan, the average single fruit weight is 320g, with the largest fruit reaching 700g. Round in shape with uniform fruit form, the fruit surface takes on 60% bright red coloration when ripe. The fruit surface has abundant fuzz; the flesh is white with a red blush, firm and crisp, with soluble solids at 15.6%, a rich sweet flavor, no acidity, and excellent quality; the stone is small, and the edible rate is 93%. In the Chongqing area, buds break in mid-February, full bloom occurs in mid-March, and the fruit ripens in early July. It is tolerant of storage and transport and extremely high-yielding; in a high-density orchard (222 trees/667 sq m), the third-year yield reaches
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Detailed Explanation of Tea Tree Variety Regionalization: How Suitable Varieties Are Laid Out in Each Region
Research work on how tea tree varieties are distributed across different regions and how their suitable planting areas should be divided. China's tea regions are vast, spanning from 18°-38°N, 94°-122°E. In terms of vertical distribution, the highest extends to mountains at an altitude of 2600m, and the lowest to low hills at an altitude of only a few meters. The genetic characteristics of tea tree varieties and latitudinal zonality across regions give rise to a certain degree of zonality in tea types and quality styles. Tropical or southern subtropical regions in the south are suitable for the growth of arbor-type large-leaf tea tree varieties and are suitable for producing
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Danjing 6 is a rice variety suitable for dryland cultivation.
Variety source: Bred by hybridization at the Dandong Academy of Agricultural Sciences. Characteristics: Growth period 130 days, plant height 90 cm, moderate tillering, well-developed root system, loose panicle type, panicle length 15.4 cm, average number of grains per panicle 104.4, sparse short awns, 1000-grain weight 25 g, mature with green stems, strong drought tolerance, resistant to rice blast and rice false smut, good eating quality. Suitable for planting in low-lying waterlogged land, rainfed rice fields, or dry fields with irrigation conditions. Cultivation points: Sow in the Dalian area from late April to early May, sowing rate 7-9 k
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Key techniques for lily cultivation and management: grow this health-promoting vegetable well
The lily is a perennial plant of the Liliaceae family. Its underground bulb contains large amounts of protein, fructose and pectin substances, and can be eaten fresh, or used to extract starch, make canned goods, or be processed into dried lily, etc. The fresh bulb has effects such as tonifying the middle and boosting qi, nourishing yin and moistening the lungs, and relieving cough and calming asthma. It is a newly emerging health-promoting vegetable variety that sells well on the market and is favored by many consumers. The market price is more than 20 yuan per kilogram, the economic benefits of cultivation are considerable, and the prospects for development are broad. Lilies have wide adaptability to climate and soil, prefer cool weather, and the aboveground stems are not tolerant of
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