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High-yield cultivation technique for three successive crops intercropped in jujube orchards
The jujube tree (Ziziphus jujuba) has relatively strong growth adaptability and is a tree species that prefers warmth and light. When the spring temperature reaches 13-15°C, it begins to sprout branches; when the monthly average temperature is above 17°C, flower buds begin to differentiate; when it is above 2O°C, it flowers; the suitable temperature for fruit ripening is 18-22°C; when the temperature drops to 15°C, it begins to shed leaves. Because of its characteristics of late sprouting, early leaf fall, and little shading, it is suitable for intercropping with grain, cotton, and vegetables, and the economic benefits are very considerable. The following introduces the high-yield technique for interplanting three successive crops in one year in a jujube orchard. 1. Key points of jujube cultivation techniques
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Pigeon Disease Identification Tips: A Detailed Guide to the Three Observations and Nine Checks Method
To detect sick pigeons early and prevent the spread of disease, keepers must carefully observe the flock 3 times a day: morning, noon and evening. The "three observations and nine checks" method for identifying pigeon diseases described below is simple and easy to apply, and is provided for reference. Three observations: First, observe the mental state: healthy pigeons are lively, excited and alert; sick pigeons are listless, reluctant to move and slow to react. Second, observe eating and drinking: healthy pigeons eat and drink normally; sick pigeons eat less or stop eating altogether, either refuse to drink or drink excessively, and do not feed their squabs. Third, observe the color and shape of droppings: healthy pigeon droppings are gray, yellowish-brown or grayish-black, shaped
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Tulips bloom for three consecutive years, blooming as promised year after year
Since 1998, I have used 8 commercially available tulip bulbs and planted them for three consecutive years; they bloom every year, and they have already multiplied to forty or fifty bulbs. Books say the planting time for tulips is late October and early November. The main producing country, the Netherlands, is a high-latitude country with a cold climate, so tulips need to grow in a cold environment. Potted plants should be placed outdoors, not indoors or in a warm shed, otherwise they will not bloom (this is also the conclusion I drew from a comparative experiment). In winter, outdoors, it only grows roots and does not sprout, until early spring in February
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Detailed Explanation of the Three-Drainage and Three-Irrigation Water Management Measures for Rice
1. Three Drainages. First drainage: From the critical tillering stage to the stage when the penultimate leaf tip emerges (20 days before heading), the field should be drained and sun-dried to control the growth of ineffective tillers. For fields with vigorous seedling growth and dark green leaf color, as well as fertile fields and cold-waterlogged fields, heavy sun-drying should be carried out to promote fading of leaf color; for fields with poor seedling growth, as well as lean fields and fields with a low groundwater table, multiple light sun-dryings should be carried out, combining sun-drying with exposure, with the degree judged by the field not sinking underfoot. Second drainage: From 5-7 days before heading to the heading stage, a second drainage should be carried out to improve rice root vigor and enhance the roots' ability to absorb nutrients
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Detailed Explanation of the Three Fertilizations for Rice and Their Application Techniques
Scientific fertilization is one of the important measures for achieving high quality and high yield in rice. However, rice fertilization is a highly technical task, and in practice it must be flexibly managed according to variety characteristics, soil fertility, climatic factors, and cultivation conditions. As is well known, the fertilizer requirements of rice are expressed in the nutritional period, the critical nutritional period, and the period of maximum nutritional efficiency. For example, early rice has a short growth period and relatively low fertilizer demand, so fertilization should be early and concentrated. Middle rice and late rice have longer growth periods, high fertilizer demand, and strong absorption intensity, so the number of topdressings should be increased and the proportion of topdressing raised.
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Detailed Explanation of the Key Points of the "Three Supers" Rice Cultivation Technique
I. Select suitable varieties. Adapt to local conditions and choose high-quality varieties that can mature normally and safely in the local area, with moderate tillering, relatively large panicles, relatively high grain weight, strong stress resistance and disease resistance, upright leaves, a compact plant type, and outstanding high-yield performance. II. Sow early at the right time and sow sparsely to cultivate strong seedlings. (1) Seedling raising preparation. 1. Seedbed preparation. ① Seedbed selection: choose a pollution-free, flat and loose, fertile soil, good water-holding, wind-sheltered and sunny plot as a dedicated seedling field. ② Land preparation and arching: in order to achieve ultra-early sowing, prepare the seedbed soil and set up the frame the previous year, cover with plastic film in early to mid-March to promote thawing and raise soil temperature, shallowly plow the seedbed land 10 cm, and rake it level and fine. Make the bed 10 days before sowing, and dig a 13 cm deep ditch around the seedbed.
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Detailed Explanation of Key Technical Points for Controlling Two Diseases and Three Pests of Rice
The two diseases and three pests of rice refer to rice blast, sheath blight, rice stem borers, rice planthoppers, and the rice red-spotted black spittlebug. They cause great harm to rice and should be given attention for control. Rice blast: Long-term deep water irrigation or excessive drought, and one-sided application of nitrogen fertilizer lead to severe rice blast. There are three susceptible periods in the life of rice, namely the seedling stage, the peak tillering stage, and the heading and full heading stage. Neck blast has the greatest impact on rice yield and should be prevented early at the breaking stage and full heading stage. Rice blast is divided into: seedling blast, leaf blast, node blast, neck blast, and grain blast. Rice blast
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Three key techniques for field management of autumn potatoes
Doing a good job in autumn and winter field management is the key technique for obtaining a high yield of autumn potatoes, and the specific measures are as follows: 1. Timely intertillage and weeding, and topdressing according to the seedlings: because autumn has short sunshine, which is suitable for tuber growth, the plants set tubers early and are not prone to excessive vegetative growth, so management should focus on promoting growth. When 60-70% of the potatoes have emerged, apply 2.5-3 kg of urea per mu, mixed with 1600-2000 kg of water and fertilizer, by hole application; when they grow to 30-40 cm, apply 500 kg of plant ash per mu, mixed with 40-50
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Avian influenza runs rampant in the cold winter, and mixed raising of three generations of laying hens is the toughest; open-air duck farming must be tightened and controlled
Battling the peak of avian influenza in the cold winter! Mixed raising of three generations of laying hens is the toughest; open-air duck farming must be tightened and controlled
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Propagation methods for wax begonia: three ways - seed sowing, cuttings, and division
Begonias can be said to be one of the most popular flowers among the general public in China, and for this reason many people grow begonias at home. Wax begonias prefer a warm, humid environment, are intolerant of cold, drought and intense heat, and dislike waterlogging, so they grow best in a semi-shaded, humid, warm environment.
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