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How to choose a site for Schisandra chinensis? Master these key points for site selection
Schisandra chinensis prefers neutral or slightly acidic loam or sandy loam with a thick soil layer, abundant humus, a loose and fertile texture, year-round moisture retention, and a low groundwater table, on flat land or shady slopes. It requires good ventilation and light, along with irrigation and drainage conditions. Schisandra chinensis is not drought-tolerant; it likes moisture but cannot withstand waterlogging. On waterlogged low-lying land or soil that stays excessively wet for long periods, its growth vigor is relatively weak. Therefore, when cultivating Schisandra chinensis artificially, plots with good drainage that do not easily accumulate water should be chosen. Sloped land should preferably not exceed l0 degrees.
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How to apply top dressing in the later stage of edible fungi? These methods must be mastered
In the later stage of mushroom fruiting, in order to enhance the stamina for fruiting, mushroom growers often use various means to add nutrient solutions for top dressing. But only by using the correct method of addition can the expected goal be achieved. Otherwise, it is like pulling up seedlings to help them grow, achieving the opposite effect and bringing losses to producers. 1. Pay attention to the method of addition. There are usually three methods for adding nutrient solution: spraying, soaking and filling holes. The time for spraying nutrient solution is suitable when fruiting bodies appear in large numbers. When spraying, care should be taken that the nozzle is not directly facing the fruiting bodies, and at the same time pay attention to the "four no-spray" rules:
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Detailed explanation of key spruce seedling cultivation techniques, easily master the seedling cultivation method
Spruce belongs to the genus Picea in the family Pinaceae. It is an evergreen tree that can reach a height of 30 m and is the main tree species in the mountain forests of our region. Spruce wood is light, soft and fine-textured, and can be used for construction, furniture, papermaking and other timber, and it is also an ornamental tree. I. Cutting propagation The cutting time should be after new shoots emerge in early spring. Cut 15 cm long cuttings and carry out cutting propagation in a plastic greenhouse. In order to raise the ground temperature, fresh horse manure can be placed under the bed to maintain a ground temperature of 25-35°C, and the humidity should preferably be around 90%. The plastic greenhouse should be tightly covered and not opened frequently, so as to avoid lowering
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How to grow azaleas with soilless culture? Master these key technical points
1. Preparation of the substrate. Azalea roots are very fine and require a loose substrate to facilitate aeration and drainage. Mix 1 part vermiculite, 1 part perlite sand, 1 part river sand, and 1 part coal cinder in proportion. After mixing the substrate, sterilize it with a 0.1% carbendazim solution, stir it evenly into the substrate, and cover with plastic film for 1 day. Then rinse it multiple times with clean water, and after air-drying, mix it evenly with a 0.4% agricultural compound fertilizer solution, then cover with plastic film for one month, after which it can be used for potting. 2. Preparation of the nutrient solution. Azaleas have relatively strict fertilizer requirements. During the growing period, apply light fertilizer frequently.
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How to prevent and control rose downy mildew? These methods you need to master
Downy mildew is a fungal infectious disease. Rose downy mildew develops quickly and is extremely harmful, making it a devastating disease. It mainly affects new shoots and leaves in the middle and lower parts of the plant. In the early stage, chlorotic spots appear on the underside of the lower leaves, and the spots are irregular and covered with a frost-like mold layer. Later they turn dark purple, resembling water-soaked areas, until they become brown. The spots are polygonal and gradually become scorch-like. When the damage is severe, all the leaves drop and the plant dies. Control measures 1. Plant at a reasonable density, no more than 12 plants per square meter, and
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Pruning roses takes skill: master these few techniques for more vigorous blooms
Rational pruning is the key to controlling the flowering period of roses. In practice, pruning should be carried out according to the overall growth vigor of the rose plant. There are two types of buds on rose flowering shoots. At the 1st to 5th leaf below the flower, the upper buds on the shoot are pointed; the flowering shoots they produce are short, with about 6 to 9 leaves, and they set buds early, usually in 15 to 18 days, with small flowers. The middle buds on the shoot (at the 6th to 9th leaf below the flower) are round; the flowering shoots produced by round buds are long, with about 13 to 16 leaves, and they take longer to set buds, usually around 25 days, with large flowers; the bud eyes at the base of the shoot are flat, the buds have low vigor, sprout slowly, and easily produce vigorous water shoots, and the flowering shoots take even longer to set buds, usually more than 30 days.
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How to control the jujube leopard moth? These methods you need to master
(1) Manual pruning of infested branches: during early spring pruning, cut off the damaged branches to eliminate the overwintering stages of the pest, and destroy them in a centralized manner. (2) Use black light traps to kill the adults during their emergence period from June to July. (3) Protect and make good use of natural enemy resources, such as braconid wasps, ants and birds. (4) Chemical control: inject 80% dichlorvos 200-fold solution into the entry holes, and seal the openings with mud.
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How to control onion thrips? Mastering these methods is key
Onion thrips occurs throughout the country and is a pest with a wide range of host plants. To control onion thrips, first clean up the dead branches and fallen leaves thoroughly to eliminate the source of the pests. Second, water frequently to kill the nymphs and pupae in the soil. Third, once thrips appear in the field, carry out chemical spraying for control; omethoate, phoxim, fenvalerate and the like can be used. Spraying should be done in the early morning while the dew has not yet dried, to prevent the adult insects from escaping.
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How to grow water dropwort? Mastering these cultivation key points is crucial
(1) Land preparation: choose a plot with strong water retention capacity and a supplementary water source, apply decomposed organic fertilizer as base fertilizer, rake level and refine the soil for later use. (2) Division propagation: water dropwort prefers cool conditions and fears heat. After April, as temperatures rise, water dropwort grows poorly. At this time, choose a shaded, relatively cool plot as the summer seed plant field. Keep the field water merely moist; you can also build a frame and cover it with a shade net to help lower the temperature. When the weather turns cool in September, pull up the seed plants, divide them into small plantlets with roots, and transplant them into the main field. The plant spacing is 30 cm x 30 cm.
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Drying Wangtian peppers takes some know-how: master the right method to sun-dry good dried chilies
I. Harvest at the right time. Criteria for harvesting the fruit. The fruit must all turn deep red. In North China, harvesting is generally done from Cold Dew to Frost's Descent. If grown in small arch sheds or with plastic film mulching, harvesting can be done somewhat earlier; if planted late, the harvest period can be slightly postponed, but it must be completed before Frost's Descent arrives. Otherwise, after frost damage, the dried chili products will color unevenly and their quality will be reduced. Wangtian peppers are generally harvested by pulling up the whole plant or cutting the plant. After harvest, lay the pepper plants flat in the field to sun-dry for 3-4 days. During drying, if rain occurs,
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