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Why do insecticides become less and less effective the more you use them?
Chlorpyrifos is a highly effective, broad-spectrum organophosphorus insecticide that acts on pests through contact toxicity, stomach toxicity and fumigation, and is especially effective against the brown planthopper. The relevant application techniques are described below: 1. Product characteristics: 1. Chlorpyrifos is currently available in China in formulations such as emulsifiable concentrate, granules and microemulsion. Among them...
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To improve insecticidal effectiveness, these essential preparations cannot be skipped
For Chinese honey locust leaves, take 1.5 kg of fresh leaves, mash them, add 1.5 kg of water, filter out the residue, and keep the juice. For every 1 kg of juice, add 4 kg of water and spray; this can effectively control cotton aphids and red spider mites. For chinaberry leaves, take 0.5 kg of fresh leaves, mash them, add 3 kg of water, soak for half a day, and filter out the residue. Take the liquid and spray; it can control cotton aphids, red spider mites, cabbage caterpillars...
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What are the functions and effects of water-soluble humic acid fertilizers
Introduction to water-soluble fertilizer knowledge: Water-soluble fertilizers are more easily absorbed by crops. "Water-soluble fertilizer refers to a multi-element compound fertilizer that can completely dissolve in water. Compared with traditional varieties such as superphosphate and granulated compound fertilizer, water-soluble fertilizer has obvious advantages. Its main features are low dosage, convenient use,...
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Foliar fertilizers are effective, and scientific selection is key
After the pegging stage of autumn peanuts, drought weather and large day-night temperature differences affect pod development, causing pods to be not plump. If foliar topdressing is carried out multiple times after the pegging stage of autumn peanuts to supplement nutrients through the leaves and raise the nutritional level of the autumn peanut plants, the ability of the autumn peanut plants to resist drought and adapt to large day-night temperature differences can be enhanced, making the pods...
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What are the multifunctional effects of humic acid fertilizers?
Effects on plant growth Humic acid can promote plant root growth. It enhances root vigor and promotes an increase in the number of tillers and secondary roots and their elongation. It improves the seed germination rate. Applying humic acid can accelerate seed germination and increase the emergence rate, especially in early spring and at low temperatures (generally germination can be 1-3...
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What is effective for controlling diamondback moth? Bacterial insecticides work well
The diamondback moth appears year-round, and bacterial insecticides can be cleverly used to control it effectively. Against diamondback moth and other lepidopteran pests, bacterial insecticides give good control. There are many varieties of bacterial insecticides, and in China the top recommendation is high-efficiency Bt, namely Bacillus thuringiensis. The commonly used dosage is 8000 international units/ml per mu,...
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How can fertilizer be applied for the best effect? Master scientific fertilization methods
Many fertilizers are used in crop cultivation, and each has its own characteristics. For example, organic fertilizers and inorganic fertilizers, solid fertilizers and liquid fertilizers, macronutrients and micronutrients, single fertilizers and compound fertilizers, etc. Different fertilizers should be applied using different fertilization techniques. Generally, slow-release fertilizers such as organic fertilizers and compound fertilizers should be used as base fertilizer,...
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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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How can pesticides be mixed to improve their effectiveness?
With the adjustment of the agricultural industrial structure, vegetable production has developed rapidly, and the planting area of cabbage among cruciferous crops has expanded year by year. This has provided abundant food for the diamondback moth and the cabbage caterpillar, which prefer cabbage-type vegetables. In addition, the short generation cycle of the diamondback moth and the cabbage caterpillar and their high egg-laying capacity have made them a major pest of cruciferous...
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A detailed guide to the benefits and effects of Baibuti (Eriocaulon buergerianum), explained in one article
Improves eyesight: Baibuti can relieve discomfort such as dry eyes, conjunctivitis, and gritty eyes. Clears the lungs and stops cough: it can moisten the throat and relieve unpleasant symptoms such as dry, itchy throat and hoarseness. Dispels wind and dissipates heat: it can relieve symptoms such as headache, dizziness, and runny nose caused by colds. Regulates qi and quenches thirst: it can help people regain energy and also quench thirst.
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