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Occurrence Patterns and Control Methods of Cotton Pests under Drip Irrigation
With the large-scale application of drip irrigation technology for cotton, the irrigation method has been improved. It delivers water and nutrients evenly and continuously to the vicinity of the cotton root system at scheduled times and specific locations, and the supporting cotton cultivation techniques have changed accordingly, causing corresponding changes in the ecological environment of cotton field pests and their occurrence patterns. For this reason, it is highly necessary to clearly understand the occurrence patterns of cotton pests and the technical control measures under mulched drip irrigation, so as to ensure sustained and balanced increases in cotton yield. 1. Cotton bollworm 1. Occurrence level Compared with previous years, the occurrence in 2005 was moderate to severe
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Is the red-banded snake prone to illness? First, understand its disease resistance
The red-banded snake rarely gets sick in a suitable environment and is one of the varieties with a relatively low mortality rate among artificially bred species. It has strong vitality, which is also the main reason people breed this snake in large numbers. However, this snake often suffers from stomatitis after hibernation or shortly after emerging from dormancy. Disinfection should be strengthened, and isolation and treatment should be carried out promptly to prevent mutual infection. Snake enclosures and snake dens should be kept clean and dry during the peak summer season and the rainy season. Once the environmental humidity reaches above 85%, this snake is prone to fungal spot disease. This disease poses the greatest harm to this snake, no less than the severity of pneumonia
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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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What plant is Caragana? Read this one article to understand
A plant of the genus Caragana in the Fabaceae family, scientific name Caragana Fabr., also known as ningtiao and Caragana korshinskii. Its English name is also peashrub. This genus has about 60 species. Native to Eurasia, China produces about 50 species, most of which are grassland psammophytic, xerophytic deciduous shrubs, and are forage and green manure plants. Widely distributed in the northwest, Inner Mongolia and other places. Mongolia and Siberia of the former Soviet Union also have distribution. Leaves often clustered or alternate, even-pinnate compound leaves or false palmate compound leaves, leaflets 4-20, entire, stipules small
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A detailed explanation of the white tea manufacturing process, understanding the whole process in one article
White tea is a specialty of China, mainly produced in Fujian Province. The surface of the dry white tea is densely covered with white downy hairs. The formation of its quality characteristics comes from, first, being made by picking young tender buds and leaves that are rich in downy hairs, and second, from adopting a drying and baking process in production that involves neither pan-firing nor rolling. At present, there are not many types of white tea, divided into bud tea (Baihao Yinzhen, also known as Silver Needle) and leaf tea (such as Gongmei). The production process is simple. The production process of Baihao Yinzhen is: tea buds, withering, baking, screening and sorting, re-firing, packing. The process of Bai Mudan (White Peony) and Gongmei is: fresh leaves, withering, baking (or shade drying), picking and sorting
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New technique for semi-underground arched shed cultivation of reishi mushroom
The method of cultivating reishi mushroom by stacking fungus bags into walls and covering with soil in a semi-underground arched shed has many advantages. First, a semi-underground shed costs less to build than a ground-level shed, saving 40% on shed construction costs; second, water management is convenient, as it is only necessary to keep the casing soil layer adequately moist; third, mushrooms emerge from one end, concentrating nutrients, so the reishi mushrooms grown are robust and of good quality; fourth, a semi-underground arched shed is warm in winter and cool in summer. When the outdoor ground temperature is around 40°C in summer, the temperature inside the shed does not exceed 36°C, and in winter it is 3°C--4°C higher than ground level. The skylights on the shed roof can meet the light requirements and provide ventilation. The technique is briefly described as
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What is the fresh-keeping principle for edible fungi? This article will help you understand it clearly
Fresh-keeping for edible fungi (theprincipleoffresh-keepingforediblefungi): Mushroom bodies separated from the culture substrate still have vitality, and living organisms have resistance to adverse external environments and microbial infection. However, the stronger the life activity, the faster the rate of freshness decline. Therefore, without destroying the normal physiological functions of the organism, by controlling various factors that affect the physiological and biochemical changes of fresh mushroom products, the life activity of the mushroom body can be kept as low as
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What are the tree species characteristics of the dawn redwood? Read this one article to understand
The tree species characteristics of the dawn redwood are: it is a deciduous tree of the Taxodiaceae family. It can reach a height of more than 35 m, with a diameter at breast height of 2.5 m. The trunk is upright at the top, and the base is often swollen; the crown is conical. It is a precious tree species unique to China. It is an ancient relict plant. The dawn redwood is highly adaptable, but it prefers a mild and humid climate and deep, fertile, moist soil. Drought, barrenness, low temperatures and saline-alkali conditions are not conducive to the growth of the dawn redwood. The wood of the dawn redwood has straight grain, is light and soft, has little difference in shrinkage, and is easy to process. It is suitable for timber for construction, furniture, farm tools, ships and so on, and can also be used as a raw material for papermaking. At the same
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How to control pests on the underside of azalea leaves?
(1) Red spider mite. The individual is extremely small, with a body length generally around 0.3 mm, difficult to see with the naked eye, and observation requires the aid of a magnifying glass. The body is red, and it often gathers on the underside of leaves, mainly sucking the plant's sap and causing grayish-white spots on the leaves. In severe cases, it causes the leaves to turn yellow and drop, new shoots grow poorly, and the tree vigor weakens. Red spider mites produce 10 generations a year, and the damage is especially severe during high temperature and drought from June to August, but the damage is lighter during heavy rain and rainy weather. In winter, dead branches and fallen leaves should be cleared away to eliminate overwintering adults
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What Does Green Fisheries Mean? Understanding the Concept and Connotations in One Article
Green fisheries encompasses three aspects of meaning. First, the coordination and consistency between fisheries production and the aquaculture environment, which is conducive to both fisheries development and a virtuous cycle of the ecological environment; second, fisheries inputs are safe and effective, with high input-output efficiency of materials and energy and little waste, and toxic and harmful substances below the standards legally stipulated by the state; third, fisheries outputs can meet the standards and requirements of human food consumption in terms of quantity and quality. Green fisheries is an extension of modern fisheries. In the overall development plan and structural adjustment of fisheries production, it highlights the concept of ecology, endowing
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