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How do you carry out field management when growing corn?
How do you manage corn cultivation? Please explain in detail. When growing corn, you can refer to the following methods for management: 1. Thinning and final thinning of seedlings. Increasing planting density is an important measure for achieving high corn yields. The suitable density should be determined according to factors such as variety characteristics and soil fertility level. Thin and final-thin the seedlings in good time to ensure the planting density...
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Growing flowers easily attracts mosquitoes? Add this, and mosquitoes will turn around and flee when they smell it
Huahua took a walk in the small garden in the evening, and in half an hour got bitten by mosquitoes several times, not to mention all kinds of small insects buzzing around, which is simply maddening! So, for the various mosquitoes and insects that often appear in the homes of flower lovers, today Huahua will teach everyone a few good methods to completely kill them, so that mosquitoes and insects never dare enter the home again!
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How should ginseng and American ginseng be fertilized when grown?
How should ginseng (American ginseng) be fertilized when grown? Please give an introduction. Ginseng and American ginseng are perennial herbaceous perennials with strict fertilizer requirements. Research by experts has found that they are potassium-loving plants, and their potassium uptake is far greater than that of nitrogen and phosphorus, meaning potassium is an important factor determining whether ginseng achieves high yields. Moreover, as the growing years increase...
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Autumn tomato cultivation techniques: when is the best time to apply foliar fertilizer?
When is the best time to apply foliar fertilizer to autumn tomatoes? Please give guidance and explain the reasons. Autumn tomatoes are affected by high temperatures, strong sunlight and dry weather, so flower drop, fruit drop and fruit cracking are relatively serious, and misshapen fruits and blossom-end rot fruits are also prone to appear in large numbers, with a low fruit-setting rate. If at this time a 25-30 times dilution of superphosphate mixed with dry, clean plant ash leachate, or a mixture of 300 times calcium nitrate, 500 times monopotassium phosphate, 800 times humic acid active liquid fertilizer, and 1500 times Shengnongsu chelated fertilizer, can be sprayed on the foliage once every 7-10 days...
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What happens when sunflowers lack nutrients during cultivation?
What happens when sunflowers lack nutrients? Here is a detailed introduction. Sunflowers show the following symptoms when lacking nutrients for reference: with nitrogen deficiency, growth is slow at the seedling stage, the plant is slender and weak, the leaves are small and thin, showing yellow-green or light green; with nitrogen deficiency in the mid-growth stage, the lower leaves turn yellow early, the flower head is small, and the growth of vegetative organs deteriorates noticeably, caus...
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What symptoms appear when soybeans are deficient in boron and molybdenum?
What happens when soybeans are deficient in boron and molybdenum? Here is an introduction. Soybean boron deficiency: it causes leaves to become dark green and thickened, internodes to shorten, stunting, and clustered leaves to form. Flower buds turn white or light brown, and tissues become necrotic. In severe cases, scorch-like necrotic spots form along the leaf veins. Soybean molybdenum deficiency: the leaf color between the veins becomes paler and turns yellow, ...
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What diseases need to be prevented and controlled when growing Lilium brownii?
What diseases need to be prevented and controlled when growing Lilium brownii? The diseases to be prevented and controlled when growing Lilium brownii are: Leaf blight: if yellow-brown and red-brown oval lesions appear on the leaves, spray with 1000 times thiophanate-methyl wettable powder, 50% iprodione wettable powder 1500 times solution, or 50% procymidone...
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What precautions should be taken when using fungicides?
What should be noted when using fungicides? When using fungicides, note the following: 1. When choosing a fungicide, first understand the nature of the fungicide. There are two types of fungicides. One is a protective agent, which is used to prevent plant disease, such as Bordeaux mixture, mancozeb, carbendazim, etc.; the other is...
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How do you clear weeds when growing chives in a greenhouse?
How do you remove weeds when growing chives in a greenhouse? Please explain the methods. Greenhouse chives are generally grown by transplanting; after transplanting, you can use pendimethalin, prometryn, or butralin for soil-closure treatment. Apply 150 ml of 330 g/L emulsifiable concentrate per mu or 200-250 ml of 48% butralin emulsifiable concentrate, add 50 kg of water...
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What herbicide is good for weed control when growing vegetables?
What herbicide should be used for weed control when growing vegetables? Please advise. When growing vegetables, you can refer to the following methods for weed control: 1. Chemical weed control in cruciferous vegetable fields. For cruciferous vegetables such as Chinese cabbage, radish, cabbage, cauliflower and rapeseed, choose 48% trifluralin emulsifiable concentrate after sowing and before emergence or at transplanting, at 100 ml per mu (667 sq m, the same below), or 33% pendimethalin emulsifiable concentrate at 75 ml per mu.
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