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Detailed Explanation of the Comprehensive Ecological Fishery Technology Model in Northern China
Ecological fishery refers to a farming model based on the principle of symbiotic complementarity between fish and other organisms, utilizing the land-water material circulation system, and adopting corresponding technical and management measures to maintain ecological balance and improve farming efficiency. Developing ecological fishery can make full use of local resources, recycle waste, save energy, improve comprehensive ecological benefits, and achieve sustainable development of fisheries. 1. Fish-Grass Model The fish-grass combination type is a relatively common fish farming model, generally with 200-300
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What is the one-year-old fish fingerling rearing model in the Guangdong-Guangxi region?
The method of rearing one-year-old fish fingerlings in the Guangdong-Guangxi region differs from that in Jiangsu and Zhejiang. Rather than starting with polyculture of multiple species, monoculture is carried out in the early stage, and after the fish grow to 5-6 cm, polyculture is then carried out according to a ratio. The advantages of this method of rearing one-year-old fish fingerlings in Guangdong and Guangxi are: (1) The survival rate of fish in early-stage monoculture is relatively high, generally 80%-90%. (2) When stocking in proportion in the later stage, "eliminating the inferior and selecting the superior" can be applied. Selecting fish with strong constitutions for polyculture can correspondingly increase the survival rate
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Pollution-Free Model High-Yield Cultivation Techniques for Garlic
Laiwu City, Shandong Province has long enjoyed the reputation of being the "home of the three spices." Its ginger, garlic, and other products are sold to many large and medium-sized cities domestically and to international markets, and garlic holds a pivotal and important position. For a long time, due to the irrational use of pesticides, chemical fertilizers, and other inputs, pesticide residues and heavy metal levels in garlic have exceeded standards, becoming a bottleneck for the sustainable development of the garlic industry. To this end, by summarizing the high-yield research, trials, and demonstrations on garlic in recent years, pollution-free model high-yield cultivation techniques for garlic are proposed. 1. Sowing at the appropriate time. September
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High returns from the grid-pool fish-lotus polyculture model
The grid-pool fish-lotus polyculture technique involves partitioning a hardened lotus pool with roof tiles, hard boards and the like into small grids of 2-4 sq m each, planting lotus within the grids, yielding an average of 0.5 wan kg of lotus and 400-450 kg of fish per mu of water surface, with a net return of over 10,000 yuan per mu. This technique can make use of waste pits, wasteland, river beach land and scattered corner plots to build grid-pool fish-lotus polyculture systems; it features small investment, low cost, quick returns and high benefits, is suitable for vigorous development by countless rural households, and has very broad prospects for extension.
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Many difficulties in large-scale farming of yellow catfish, polyculture models work better
The yellow catfish is a benthic omnivorous fish, with tender flesh, rich nutrition and extremely high economic value, making it a farming species with great market potential. The yellow catfish has strong adaptability and grows slower than cyprinid fish, but grows relatively fast for the species itself; fry bred in the same year can reach marketable size within that year, and the population yield is relatively high. Because large-scale artificial farming currently faces certain difficulties, carrying out polyculture has become imperative. Polyculture of yellow catfish in fish ponds has the following advantages: first, it can feed on low-value small miscellaneous fish and shrimp in the pond,
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Detailed Explanation of a Reference Fertilization Model for High-Yield Rice
The soil-testing formula fertilization model for a rice yield of 450-550 kg per mu is as follows: (1) Total fertilizer amount and ratio The nitrogen, phosphorus and potassium ratio should be about 1:0.5:0.9, and the total amounts should be approximately: nitrogen 10-13 kg, phosphorus pentoxide 5-7 kg, potassium oxide 8-12 kg. (2) Fertilization plan 1. Basal fertilizer: (1) Organic fertilizer: generally for early rice, apply 1000-2000 kg of fresh green manure per mu, or 500-1000 kg of barnyard manure, or commercial organic
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Several High-Yield Potato Cultivation Models Introduced
In recent years, the Potato Association of Ziyang District, Yiyang City has actively explored high-yield potato cultivation models and carried out contiguous demonstration planting in Xiangpulun Township, Yingfengqiao Town, Changchun Town and other places, forming a complete high-yield cultivation technology system. Spring potato - double-cropping rice cultivation. For spring potato, early-maturing varieties such as "Dongnong 303" are selected, sown from mid-to-late December to early January of the following year, and harvested from late April to early May. For early rice, late-maturing varieties are selected, using sparse sowing for strong seedlings or two-stage seedling raising, and after the potato harvest in early May,
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Detailed Explanation of the Southern Pig-Biogas-Fruit Ecological Model and Supporting Technologies
"Pig----Biogas----Fruit" makes use of resources such as mountain land, farmland, water surfaces, and courtyards, adopting the "biogas digester, pigsty, and toilet" three-in-one project, centering on leading industries, and carrying out comprehensive utilization of the "three biogas products" (biogas, biogas residue, biogas slurry) according to local conditions, achieving efficient use of agricultural resources, ecological environment construction, improved agricultural product quality, and increased farmer income. The project's orchard (or vegetable plot, fish pond, etc.) area, pig breeding scale, and biogas digester volume must be reasonably combined. The model engineering technologies include pigsty construction, biogas digester engineering construction
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What are the key cultivation points of the potato-rice-vegetable rotation model?
The potato--rice--vegetable model is mainly promoted in mid- to high-altitude areas. The key cultivation points are as follows: (1) For potatoes, choose late-maturing varieties with high resistance to late blight, such as Jizhangru No. 5. (2) For late rice, it is advisable to choose high-quality combinations such as Liangyou 2186 and D702 Youduoxi No. 1, so as to take advantage of the large day-night temperature difference in autumn in mid- to high-altitude areas and the good grain filling of rice. (3) In mid- to high-altitude areas, winter temperatures are relatively low, so for winter vegetables it is advisable to choose cold-tolerant types and cold-tolerant varieties.
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Potato Intercropping Cultivation Models and Key Technical Points
To improve land utilization and increase farmers' income, several intercropping and relay-cropping models with potato as the main crop are introduced here, for the reference of farmer friends and grassroots leaders in adjusting the agricultural structure. 1. Potato-cotton. Potatoes are sprouted in late January and sown in mid-to-late February, using plastic film mulch cultivation. The varieties selected are virus-free potatoes Zheng Yin No. 5 and Zheng Yin No. 7, bred by the Zhengzhou Fruit Research Institute of the Chinese Academy of Agricultural Sciences; for cotton, the large-plant, disease-resistant Biao Za A1 is preferable. Potatoes are planted in double rows on high ridges, with wide rows of 8
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