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Environmental Management Techniques for Protected Apricot Cultivation
1. Regulation of temperature and humidity: Hang 3 thermometers inside the shed on the east and west sides and in the middle respectively, at about 1.5 m above the ground. An ordinary thermometer and maximum and minimum thermometers can be placed respectively. During the bud-forcing stage, record the temperature once each day at 8:00, 12:00, 14:00 and 20:00. During the flowering stage, observe once every 1-2 hours. To measure the air humidity inside the shed, a wet-and-dry bulb hygrometer can be used. The suitable temperature and humidity for each phenological stage are shown in the table below: Regulation of temperature is mainly achieved by opening and closing the ventilation openings. Before flowering and during the flowering stage, if the temperature does not reach
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A Complete Analysis of the Key Points of Ornamental Peach Cultivation and Management Techniques
Ornamental peach is a small tree of the genus Prunus in the rose family (Rosaceae). It is widely used in landscaping: it can be planted in mass to form a peach grove, planted as a specimen dotting a lawn, or combined with flowering shrubs such as flowering quince (Chaenomeles speciosa) to create a scene of a hundred flowers blooming together. Its cultivation and management techniques are described below. 1. Requirements for planting site and soil. Ornamental peach prefers a dry, sunny environment, so when planting, choose a site with higher ground and no shade. It should not be planted beside ditches or ponds, nor beside large trees with broad crowns, so as to avoid affecting its ventilation and light penetration. Ornamental peach prefers fertile, well-aerated
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Key Technical Points and Management Methods for Autumn Potato Cultivation
Autumn potato refers to potatoes planted from early July to early August and harvested in winter (mid-to-late November). Its growth period is short, and the purpose of planting is to provide excellent seed potatoes for the main spring potato production. Therefore, autumn potato cultivation has relatively strict requirements for plots, seasonal timing, and other factors. The more successful cultivation techniques are as follows: 1. Plot selection. Autumn potato is suitable for planting in low-heat river valley zones, flatlands, and semi-mountainous areas at altitudes of 1600-2000 m with abundant natural resources such as light, heat, and water. The main suitable planting plots are: mid-August
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Detailed Explanation of Key Technical Points for Late-Stage Management of Rice in the Main Field
I. Water-Saving Irrigation Techniques During the rice growth period, water-saving techniques should be adopted for irrigation, with irrigation and drainage carried out according to the water requirements and characteristics of rice at each growth stage. These are mainly divided into deep-water greening, shallow-water tillering, deep-water booting and heading, and shallow-water ripening. During the greening stage, because the roots of the seedlings are damaged during transplanting and absorb little water while leaf transpiration is high, deep-water greening must be applied after transplanting to prevent physiological water loss, with a water depth of about 2-3 cm being appropriate. If the irrigation water is too deep, nutrient decomposition is slow, which is unfavorable for tillering; the booting and heading stage is the period of the greatest water demand in the entire life of rice
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Key Points of Water Management at Different Growth Stages of Rice
Rice has relatively strict requirements for water conditions, and the water demand varies at different growth stages. To ensure stable and high yields of rice, scientific water management should be carried out according to the different growth stages. 1. Shallow water and frequent irrigation at the tillering stage. Shallow water and frequent irrigation at the tillering stage allows good light penetration to the base of the rice plants, so that sunlight can shine directly on the stems of the rice plants, raising the water temperature and soil temperature, increasing oxygen in the soil, promoting root development, improving fertilizer uptake capacity, promoting early tillering, and increasing the rate of tillers forming panicles. The depth of irrigation water should be based on weather conditions, generally 3-5 cm, and a shallow water layer should be used on cloudy and rainy days. High
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Chum Salmon Farming Techniques and Key Points of Feeding Management
[Local names] Ma-ha-yu, Ma-ha-yu, salmon, Ma-gao-yu. [Morphological characteristics] The body is generally about 60 cm long. The body is elongated and laterally compressed, gradually rising behind the head. The head is large and laterally compressed. The mouth is large. The tip of the snout protrudes and curves slightly, resembling a bird's beak; during the breeding season the protrusion is most pronounced in males, curving toward each other like pincers so that the upper and lower jaws do not meet. The eyes are small. The gill openings are large. The scales are small and fine. The lateral line is distinct. Behind the dorsal fin there is a very small adipose fin, opposite the anal fin. The caudal fin is slightly forked. Body color varies considerably; when first entering fresh water from the sea,
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What are the basic principles of fish health management
The concept of fish health management is that fish raised under such conditions will achieve optimal growth rate, feed conversion rate, reproduction rate and survival rate. Maintaining a high-quality aquatic environment and feeding nutritionally balanced feed are very important for maintaining fish health and preventing fish from becoming diseased. Proper fish health management should aim at environmental, nutritional, economic and other factors to prevent fish diseases rather than focusing on treating fish diseases. The following are some basic principles of fish health management. 1. Pay attention to the environment
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Propagation Methods and Key Cultivation Management Techniques for Asarum
Propagate by seed and by division. 1. Site selection and land preparation: Choose sandy loam soil with deep soil layers, rich humus, and good drainage. It is best to choose open woodland on slopes within 30°. Apply 2500-5000 kg of farmyard manure per 667 sq m as base fertilizer. In the autumn of the previous year, plow deeply 25-30 cm, then plow again in spring, level and refine the soil, and make high beds 1.2 wide. 2. Seed propagation (1) Seed collection: The fruit is mature when it turns from purple-red to pinkish-white and the flesh is soft. Collect as they ripen, and after collecting, place them in clean water and rub off the fruit skin, remove the seeds, and sow them after they are slightly dry. Seed collection
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Detailed Explanation of Key Techniques for Understory Cultivation and Management of Asarum
Asarum is a perennial herbaceous medicinal plant of the genus Asarum in the family Aristolochiaceae, with antipyretic, wind-dispelling, diaphoretic, expectorant, and analgesic effects. Wild asarum is mainly distributed in the forest regions of Liaoning and Jilin. Asarum is a shade-loving plant, but if the understory temperature is too low and the light too weak in its wild state, it grows extremely slowly. Generally, understory cultivation takes more than 6 years from planting to harvest, and the plants are short, with only 2-3 leaves per plant, yielding very little. Farmers are accustomed to digging up wild asarum in May, when the seeds are not yet ripe, which seriously affects the natural
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Detailed Explanation of Key Field Management Techniques for Asarum
Shading: If the cultivation ground has no natural forest shade, remove the mulch before emergence, then immediately build a shade shed, 80-100cm high, covered with wormwood grass, sorghum stalk blinds or nylon netting. Topdressing: Asarum likes fertilizer. On the basis of applying sufficient base fertilizer, apply topdressing 2 times per year, the 1st time in early to mid-May, the 2nd time in mid to late July, that is, mix well decomposed pig manure (5kg/sq m) and superphosphate (100g/sq m), then open furrows between the rows and apply it. Cultivation and weeding 3-4 times per year. During cultivation
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