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What are the control methods for rice seedling albinism?
How to control rice seedling albinism? Please introduce the control methods. Rice albinism begins at the three-leaf stage; at first the leaf tips turn white, then it spreads downward along the midrib to the leaf base, and from the midrib outward to both leaf margins, until finally the whole leaf turns white. Some leaves appear as white stripes with the leaf margins still green, and the leaf sheaths...
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How can licorice (Glycyrrhiza) be grown for high yields?
How can cultivated licorice achieve high yields? What should be noted? We ask experienced readers to share their advice. Zhongdiwang has compiled the techniques for cultivating licorice, listed below for readers' reference. Soil selection for planting licorice: licorice prefers a dry climate and tolerates severe cold, and is suitable for deep soil...
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What are the common methods for disinfecting rice seeds?
What methods are there for disinfecting rice seeds? Experienced gardeners, please share your suggestions. The Zhòngdì website has compiled ten methods for disinfecting rice seeds, listed in detail below for readers' reference. Method one: To prevent rice bakanae disease, rice blast, rice brown spot, and rice seedling blight, you can use a 50% carbendazim, 50% thiophanate-methyl, or 50% thiram 500-fold solution to soak rice seeds for 48 hours (200 grams of the solution mixed evenly with 100 kg of water can soak 60-70 kg of rice seeds), then remove them, sprout them, and sow them.
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Is the rise in soybean prices related to China's massive demand?
International soybean prices are indeed closely linked to China's soybean demand, but if the rise or fall of national soybean prices is attributed entirely to China, then we can only say we won't take the blame. In addition, the claim that South America grows soybeans mainly for the Chinese...
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What are the precautions for spraying foliar fertilizer on rice?
Timing is generally most suitable at the late booting, initial heading, grain filling and full heading stages of early rice, and spraying one mu once takes more than an hour. If spraying fertilizer coincides with the heading and flowering stage, it should be sprayed in the morning before flowering and after 4 p.m. Processed liquid fertilizers such as various quick-acting nitrogen, phosphorus and potassium fertilizers, monopotassium phosphate, triacontanol, borax,...
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Applicability of insecticides in sustainable rice pest management
Based on a comprehensive analysis of toxicity, insecticide resistance, effects on beneficial organisms and other aspects, the applicability of insecticides in sustainable rice pest management can be divided into 5 categories. The first category is applicable insecticides, namely fipronil, chlorpyrifos and pymetrozine; the second category is insecticides suitable for mixed use, mainly abamectin, Bt...
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What insecticide is effective for controlling rice stem maggot
Rice stem maggot has broken out and caused serious damage in most rice-growing areas in China in recent years. At present, an insecticide for controlling pests such as the rice stem maggot has been successfully invented. The purpose of this invention is to provide a highly effective and low-toxicity insecticide specifically for controlling the rice stem maggot pest. The insecticide of this invention is made from fipronil and imidacloprid...
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Is adding laundry detergent to rice pesticides really effective?
The choice of rice pesticides affects the operator's health, the control effect, the cost of use, and their pollution of the environment and rice. 1. Low toxicity does not mean low efficacy, and high toxicity does not mean high efficacy. The toxicity of a pesticide is not classified according to its toxicity to pests, but according to its toxicity to mammals. For pests...
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What is the best time to spray insecticide on rice?
When is the best time to spray insecticide on rice? The following points should be noted when spraying insecticide on rice: Do not spray insecticide on rainy days; this is basic common sense that farmers understand, but many farmers often spray at noon on sunny days, which is highly inadvisable and harmful, because: 1. At noon, light...
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Methods and Key Technical Points for Scientific Potassium Fertilizer Application in Rice
How should potassium fertilizer be applied to rice? What method to use In rice production, scientific and rational application of potassium fertilizer plays an important role in cultivating strong seedlings, improving resistance to disease, insects and lodging, increasing the seed-setting rate, and achieving high and stable yields. According to monitoring, for every 500 kg of rice grain produced, about 15 kg of potassium chloride...
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