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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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What is the difference between Panax notoginseng and Gynura segetum? This article teaches you to tell them apart
Also known as red-backed sanqi, soil sanqi, and blood-breaking elixir. The source is the root of the Asteraceae plant Gynura segetum (Lour.) Merr. Plant morphology: perennial herb, 1-1.5 m tall. Stem erect, somewhat succulent, with fine longitudinal ridges. Basal leaves clustered, spoon-shaped, entire or serrate or pinnately divided, purple-green beneath; cauline leaves alternate, oblong, 10-25 cm long, 5-10 cm wide, pinnately divided, lobes ovate to lanceolate, margin shallowly
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What are the differences between Panax notoginseng and Anredera cordifolia
Anredera cordifolia: The dried tuber of the Basellaceae plant Anredera cordifolia (Boussingaultia gracilis Miers var. pseudobaselloides Bailey). After processing and brief boiling, it is used to counterfeit Panax notoginseng. The medicinal tuber is irregularly spindle-shaped or subcylindrical, some slightly flattened, slightly curved. 3-8 cm long, 1-3 cm in diameter. The whole surface bears numerous wart-like protruding buds and circular scars from breakage. The surface is grayish-brown, with curved longitudinal wrinkles and a few
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What is the difference between the potato ladybird beetle and the 28-spotted ladybird beetle?
The potato ladybird beetle and the eggplant 28-spotted ladybird beetle are very similar in morphology. As soon as the potato sprouts, adults and larvae gather on vigorous plants to feed on the leaves and cause damage, overwintering as adults. Around April, the overwintered adults lay eggs in the field, and they emerge in July. In spring-planted areas, there is 1 generation per year. The larvae and adults of the 28-spotted ladybird beetle damage the leaves of vegetables such as eggplant, potato, tomato and cucumber, causing wilting. The larvae live on the underside of leaves. In warm regions, the adults have 2 to 3 generations per year, overwinter as adults, and generations overlap. After overwintering, the adults gather
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Differences Between Madeira Vine, Tian Sanqi and New Vine Vegetable
Aliases: Tian Sanqi, tofu vegetable, new vine vegetable. Family and genus: Basellaceae, perennial herbaceous plant. Distribution: Cultivated in Yunnan, Sichuan, Hubei, Taiwan, China and other provinces, with bulbils and leaves used as food. Morphological characteristics: Madeira vine is a perennial succulent small vine of the Basellaceae family, with a well-developed root system; half a year after planting, tubers can form underground. The stem is round, the young stem is green, and the mature stem turns brown; adventitious roots easily form at the nodes. The leaves are alternate, heart-shaped, 8-15 cm long, 9-16 cm wide,
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What is the difference between the two rice diseases? Explained clearly in one article
In recent years, bacterial brown spot of rice has shown a trend of relatively severe occurrence in some rice areas of our province. Most farmers mistakenly treat this disease as rice blast, which both increases costs and fails to achieve good results. For this reason, the two diseases are specifically distinguished below. 1. Symptoms. The symptoms of bacterial brown spot of rice are that reddish-brown small spots first appear on the upper leaves of the rice starting from the leaf tip and leaf edge, then expand into spindle-shaped, long oval, or irregular strip-like streaks, gradually spreading to the entire leaf, causing local necrosis of the leaf, with no bacterial ooze visible
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A dog's growth is divided into 5 different stages
Many friends who keep dogs notice that their dogs often display some puzzling behaviors - such as frequently whining softly, relieving themselves everywhere, and constantly chewing up furniture and shoes. In fact, these are dogs' original behavioral instincts, not bad habits as we humans see them. Because their original behavioral instincts often come into conflict with our modern way of life, causing us a great deal of inconvenience, and causing many dogs to be abandoned because of these behavioral problems, which is truly a great pity. This is why we step into dog training
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How to Tell the Difference Between True Colds and False Colds in Dogs
True colds in dogs are systemic symptoms characterised mainly by inflammation of the mucous membrane of the upper respiratory tract. Colds generally occur most often in early spring, late autumn and when the climate changes abruptly. The cause is mostly sudden exposure to cold stimulation, such as being hit by a draught in winter, sleeping outdoors in the cold season, getting caught in the rain, or not drying a dog's coat promptly after bathing. The main symptoms of a dog with a cold are: the sick dog is depressed, has reduced or no appetite, the conjunctiva is congested and red, and the eyes are photophobic and run with tears. There is coughing, the nasal discharge is purulent, breathing speeds up, body
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Disease Occurrence Patterns and Prevention Methods for Pigs at Different Rearing Stages
Disease Occurrence in Pigs at Different Rearing Stages Incidence Rates of the Three Major Infectious Diseases of Pigs Hog cholera, swine erysipelas, and swine pasteurellosis are collectively known as the three major infectious diseases of pigs. In China, the overall mortality rate of affected pigs accounts for about 8% of the total reared population, and even in areas with relatively good prevention and control, pig mortality stands at 5%. Therefore, the level of pig disease prevention and treatment should be improved. If the overall pig mortality rate could be reduced by one percentage point each year, that would be equivalent to an additional 5 million pigs sent to market - what a tremendous amount of wealth that represents. According to relevant statistics, among the causes of pig deaths, those caused by
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How to do a good job of disease prevention in pigeons during different production periods
(1) For squabs during the brooding period, pay attention to preventing trichomoniasis. Trichomoniasis is mainly transmitted directly to squabs by parent pigeons carrying the parasite, so check whether the parent pigeons are carrying it, and if so, treat them promptly. Pay attention to preventing pigeon pox, which is generally prevalent from March to June, so do a good job of vaccination and mosquito control. Once it occurs, timely surgical treatment should be given. A small amount of low-toxicity mosquito-killing water can also be sprayed on the squabs to prevent mosquito bites, but be sure not to use too much. In addition, pay attention to preventing diseases such as coccidiosis, mycoplasmosis and salmonellosis. (2) Young pigeons kept for breeding
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