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How should reishi mushroom bridge worms be prevented and controlled?
The reishi mushroom bridge worm (scientific name to be determined) belongs to the order Lepidoptera, family Geometridae. This pest damages reishi mushroom fruiting bodies. Young larvae feed on the surface and edges of the cap, causing pits and notches. After the 3rd instar, they can bore directly into the interior of the fruiting body and excrete large amounts of frass, which not only contaminates the mushroom bodies but also encourages the proliferation of weeds such as green mold, harming reishi mushroom growth and reducing yield and quality. (1) Morphological characteristics. Adult: body length 12 mm, wingspan 25-28 mm, body grayish black; antennae filiform, outer margin of forewing with 8 small black spots, a larger black spot in the middle of the costal margin,
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What kind of duck is the Guangxi small partridge duck?
Origin (or distribution): Mainly produced along the banks of the Xijiang River in Guangxi. Main characteristics: Female ducks mostly have partridge-patterned feathers, with two types, yellow-brown partridge and black partridge. Male ducks have darker plumage, appearing brownish-red or blackish-gray, some with a white neck ring, and green speculum feathers on the head and secondary wing feathers. Adult weight of male ducks is 1.41-1.8 kg, and of female ducks 1.37-1.71 kg. Slaughter measurements: adult male ducks have a half-eviscerated rate of 80.42%, female ducks 77.57%; fully eviscerated male ducks 71.9%, female ducks 69.
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Method for ridge cultivation of Gastrodia elata in plastic greenhouses
Cultivating Gastrodia elata in ridges inside plastic greenhouses can be done on either a large or small scale, with low investment, high returns, and savings in labor, effort, and arable land. It requires no fertilizer, no pesticide spraying, and no weeding, and delivers significant economic benefits. The technique is described below: 1. Site selection: It is advisable to choose a shady slope or a gentle slope with half shade and half sun, sandy soil with good permeability, and slightly acidic or neutral soil with a pH of 5.5-6.0 for building the site. 2. Greenhouse construction: Follow the construction method for vegetable greenhouses, facing north and south, with the size determined by the scale of Gastrodia elata cultivation, generally 8 m wide and the length depending on the terrain
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Introduction to the Breed Characteristics and Farming Techniques of Qingyuan Partridge Chicken
Qingyuan Partridge Chicken, commonly known as Qingyuan Chicken, gets its name because the back feathers of the hen are dotted with countless sesame-like spots. It is a famous small-sized high-quality meat chicken breed in our province, characterized by three yellows, two fines, and one partridge (namely yellow feet, yellow beak, yellow skin; fine head, fine bones; partridge-colored feathers). It has long been renowned in the markets of the province, Hong Kong, China and Macao, China for its golden-yellow skin, tender and smooth meat, crisp skin, soft bones, delicious fresh flavor, and unique taste. Qingyuan Partridge Chicken is of exceptional quality, versatile in use, and not limited to a single cooking method, and has been called the civil-and-martial chicken by famous chefs. Qingyuan Partridge Chicken production volume
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Lily Cultivation Method Part Three: How to Carry Out High-Ridge Cultivation
Lily Cultivation Method Part Three: High-ridge cultivation. It is suitable for places with a relatively high groundwater table and more rainfall. For high-ridge cultivation in the south, plow the land after the previous crop is harvested to a depth of about 30CM, and apply 2500KG per mu as base fertilizer together with plowing. Generally, ridges are used for wide beds, with the base of the ridge 60CM wide, about 30CM wide needed, and 25-30CM high. Between the ridges are water furrows with a bottom width of about 30CM. In high-ridge cultivation, topdressing must be carried out throughout the growing period to promote growth and increase yield.
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Occurrence and Damage Characteristics of the Bridgeworm Pest on Lingzhi
The bridgeworm (Noctuidea) belongs to the family Geometridae. The lingzhi bridgeworm of this family (name to be determined) is an important pest damaging lingzhi. 1. Morphology and habits: The adult is 12 mm long with a wingspan of 25-28 mm, a small grayish-black moth. The antennae are filiform; the forewings are triangular with 8 black spots along the outer margin and one larger black spot in the middle of the costal margin; the hindwings are grayish-white. The egg is flat and round, 0.6-0.7 mm long and 0.4-0.5 mm wide, milky white initially and grayish-green before hatching. The mature larva is 22-25 mm long,
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Detailed Explanation of Soybean Cultivation Technology with Film Mulching Between Rows on Wide Ridges
Heilongjiang Province is China's main soybean production area, with its planting area accounting for 7% of the national total and its current total output accounting for 11% of the national total. In the course of soybean production development, the Heilongjiang Reclamation Area has vigorously promoted scientific and technological innovation, resulting in a relatively large increase in soybean yield per unit area and total output. From 2001 to 2005, the average yield per hectare reached 2531.7 kg; in 2005, the average soybean yield per mu reached 178 kg, reaching or approaching the soybean yields of advanced countries worldwide. Soybean cultivation technology with film mulching between rows on wide ridges
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Detailed Explanation of the Key Points of the Three-Ridge Soybean Cultivation Technique
In the early 1980s, Heilongjiang Bayi Agricultural University combined agricultural machinery with agronomy and gradually formed a complete, effective, comprehensive mechanized high-yield soybean cultivation technology system, called the "three-ridge" (or "three ridges") cultivation technique. The so-called "three-ridge" refers to the use of three mechanized operation techniques on the basis of ridge tillage: first, deep loosening of the ridge body and furrow in stages and at intervals; second, layered deep application of base fertilizer; third, precision double-row sowing on the ridge. The above three operations are completed by machinery in one pass. After this technique was promoted, various regions made some improvements according to
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What are the main advantages of the three-ridge soybean cultivation technique?
Main advantages of the "three-ridge" soybean cultivation technique: First, deep soil loosening breaks through the plow pan, deepens the tillage layer, and improves soil structure, which benefits soybean root development and nodule formation; deep loosening creates a soil structure with both loose and firm zones, improving soil permeability. Second, layered fertilization within the ridge body improves fertilizer use efficiency and delays the fertilizer supply period, preventing nutrient deficiency late in the growing season. The small precision seeders currently used in production can all achieve deep placement of chemical fertilizer; they can also apply seed fertilizer and base fertilizer at the same time. Third, double-row precision
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Key Points of High-Ridge Double-Row Potato Cultivation Technology
High-ridge double-row potato cultivation refers to a planting method using wide and narrow rows, where soil from the wide rows is hilled onto the narrow rows, forming raised beds that stand more than 25cm above the ground. Trials have confirmed that potatoes grown on ridges and beds have the advantages of earlier emergence, a higher proportion of large and medium tubers, and higher yields; ridge-bed cultivation increases yield by 19.1% compared with flat-bed cultivation. The specific cultivation techniques are as follows: 1. Fine seedbed preparation. Potato is a shallow-rooted crop. After the tubers are planted and before emergence, the better the root system develops in the soil, the stronger the plant growth after the seedlings emerge.
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