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Using the large-plow furrowing method for clear-cut regeneration of black locust
1. Preparatory work. Large-plow furrowing means using a tractor to pull a large plow to furrow in a clear-cut black locust (Robinia pseudoacacia) site. A tractor with relatively high horsepower must be used. An ordinary iron plow for plowing farmland is sufficient, but a single plow is required. First clear branches and large stones from the site. 2. Plot selection. Large-plow furrowing requires concentrated, contiguous plots, a slope of less than 25 degrees, and a soil layer of more than 30 cm. 3. Technical requirements. The black locust root system is relatively shallow, the main root is not obvious, and the lateral roots are well developed. The main lateral roots are mostly distributed in the surface layer at a soil depth of 20-30 cm.
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How to Carry Out Sprout Regeneration of Black Locust? Detailed Practical Technical Points
1. Site clearing. After clearcutting black locust, a large amount of residues, shrubs and weeds accumulate on the site, which are obstacles to sprout regeneration and should be cleared in time. The main purpose is to improve site conditions and sanitation, create a favorable environment for young tree growth, and promote the young stand to close its canopy as soon as possible. 2. Forest land enclosure. To shorten the forest cultivation cycle, comprehensive enclosure measures are adopted for black locust clearcut sites. Cattle and sheep specifically browse the tender shoots of young trees and cause extremely severe damage to black locust sprouts, so dedicated personnel must be assigned for supervision and protection, grazing must be strictly prohibited; mowing and firewood gathering are strictly prohibited,
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Key Production Technology Points for Flat-Bed Cultivation and Successive-Generation Cultivation of the Elm Oyster Mushroom (Pleurotus citrinopileatus)
The elm oyster mushroom (Pleurotus citrinopileatus), due to its strong growth vigor, good stress resistance, ease of cultivation and promotion, and high biological efficiency, has very broad development prospects in Shandong Province. Shandong Province is a major cotton-growing province, and in recent years the cotton planting area has risen sharply, with cottonseed hulls being of high quality and low price. The following is an introduction to the production technology for cultivating the elm oyster mushroom using cottonseed hulls as the main substrate, employing fermented substrate flat-bed cultivation and successive-generation cultivation. I. Spawn Production 1. Spawn Selection Select strains with strong growth vigor, good stress resistance, high and stable yields, and a broad temperature adaptation range, such as Yuhuang-1 and Yuhuang-2. The mycelial growth temperature is 5-35 degrees, with 20-30 degrees being suitable; the fruiting body differentiation and growth temperature is 10-30 degrees, with the optimum temperature being 8-25 degrees. It is tolerant to carbon dioxide. Under conventional cultivation, the biological yield can reach 150%, and under successive-generation cultivation, the conversion rate can reach 200%. It is an excellent strain suitable for cultivation in Shandong Province.
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Why is the nipplefruit also called "five generations under one roof" and "golden fruit"
Aliases: five generations under one roof, golden fruit, five sons paying birthday respects. Family and genus: an evergreen small shrub of the genus Solanum in the family Solanaceae. Morphological characteristics: the fruit of the nipplefruit is golden yellow with a peculiar shape; its flowering and fruiting period is summer and autumn, and the fruiting period is long, especially after leaf fall in early winter, because its fruit does not change color or shrink, making it unique and attractive. It is an upright branching small shrub, usually grown as an annual, with a plant height of 0.5--1.5 m, relatively sparse leaves, and the whole plant covered with waxy yellow flat spines. Its flowering and fruiting period is summer and autumn; before flowering, the flower buds often droop, and when fully open they are slightly upright, with 5 purple flowers
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A Detailed Guide to the Stubble-Cutting Regeneration Cultivation Technique for Eggplants
Many years of practice have proven that stubble-cutting regeneration cultivation of eggplant plants is an effective measure for increasing yields, lowering production costs, boosting economic returns, and regulating the peak and off seasons for eggplants. This technique is simple and easy to carry out, and its methods are as follows. 1. Timing of stubble cutting. In spring and autumn, eggplants fetch high prices but yields are low, while in midsummer they enter a period of high yields and low prices. Therefore, the height of summer when the dog days begin is the best time to cut back eggplant plants. In addition, eggplants have the characteristic that the fruits of the main-stem eggplant, the first eggplant, and the four-direction eggplant are large and plump, while the fruits on the upper part of the plant are small and thin and are not welcomed by the market. Through cutting back the plants for regeneration, the high-yield, low-price period is pushed back by exactly 30-40 days, and when the market is short of eggplants, the regenerated eggplants from cutting back are in exactly their high-yield, high-price period, so the high-yield, low-price period for eggplants is the best time for cutting back the plants.
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Control Recommendations for the Overwintering Generation of the Box Tree Pyralid Moth
The box tree pyralid moth (Glyphodes perspectalis) is one of the important leaf-eating pests of forestry plants in this district, mainly damaging Chinese box (Buxus sinica var. parvifolia) and Japanese box (Buxus bodinieri). Since early spring this year, the whole district has carried out 2-3 rounds of comprehensive control against this pest, effectively bringing the damage under control; however, since the damage period of this pest is long and can last until the end of October, continued follow-up monitoring of this pest is still needed. According to monitoring at two sites, the Anting Ginkgo Garden and the Fangtai Flowers and Plants Horticultural Farm, a moth peak appeared under the forecasting lamp in early to mid-September, with the highest moth numbers on September 7-9, averaging 22.3 moths per lamp per day
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How to prevent rabbit breed degeneration? Master these practical methods
Causes of degeneration: Extensive management and inbreeding. Only emphasizing the rabbit's trait of eating grass without supplementing with concentrated feed causes nutritional deficiency and breed degeneration. Ignoring the blood relationship of breeding rabbits and mating closely related animals causes poor disease resistance in offspring rabbits, slow growth, smaller body size, deformities, and breed degeneration. Lack of strict selection measures: not paying attention to selecting and retaining breeding rabbits according to breed characteristic requirements, often selling off the large, fast-growing, well-conditioned ones first and keeping the small, thin, weak ones to continue raising, causing gradual breed degeneration. Mating
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How to prevent mushroom spawn degeneration? Practical control methods
Spawn degeneration can lead to slow mycelial growth, weakened resistance to the environment, contaminant microorganisms and so on, an earlier or delayed fruiting body formation period, and indistinct flushes of mushrooms. There are many causes of spawn degeneration, among which impure spawn and gene mutation are the main reasons; in addition, excessively high temperatures and mixed cultivation of different strains can all cause spawn degeneration. Measures to prevent spawn degeneration include: ensuring pure culture of the spawn, taking care not to use spawn contaminated by foreign microorganisms, and not cultivating in close proximity connected to each other; strictly controlling the number of subcultures, reducing mechanical damage,
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Causes of Gastrodia elata trait degeneration and control methods
Degeneration of Gastrodia elata traits usually manifests as a decline in the yield of arrow gastrodia, with the individuals becoming smaller and slender; the yields of rice gastrodia and white gastrodia drop substantially, the tubers turn ginger-yellow or light brown, stress resistance is poor, and the original yield and traits cannot be fully expressed. The causes are generally as follows: 1. Multiple generations of asexual propagation. Degeneration generally begins to appear after 5 to 6 generations of asexual propagation, but the speed of degeneration differs when cultivated on different soils; degeneration is slower when cultivated on granite soil, followed by yellow-brown earth sandy soil parent material, and the acidic soil formed by the weathering of shale or limestone.
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Scientific control methods for the first-generation Asiatic rice borer (Chilo suppressalis) in rice
According to surveys conducted across Hubei Province, the overwintering mortality rate of the Asiatic rice borer this year was higher than last year, and the post-winter population base was lower than last year but still relatively high. In addition, suitable climate conditions and the expansion of high-quality rice varieties are both favorable to the occurrence and damage of rice stem borers, and the first-generation Asiatic rice borer will show a major outbreak trend in the rice-growing areas of our province, making the control situation still severe. In response to this severe situation, all localities should strengthen leadership, raise awareness, actively organize control efforts, and quickly launch a campaign to wrest grain from the pests to ensure the safety of grain production. 1. Recognize the situation clearly and strengthen organizational leadership. Last winter, our province suffered freezing ice and
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