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What are the precautions for combined fertilizer application
The solution made by soaking onion skins not only contains a substance that can kill pathogenic microorganisms in the soil, but also contains a variety of trace elements, and can be used as fertilizer for crops. 1. When growing flowers indoors, if the onion skin soaking solution is used as fertilizer, the flower branches grow luxuriantly and the flowers are more brightly colored. 2. Yellowing and withering cucumber seedlings are especially suitable for onion...
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What are the precautions for applying diammonium phosphate?
Phosphorus promotes soybean root growth and is beneficial for the formation of root nodules. When the supply of phosphorus in the soil is insufficient, although soybean rhizobia can invade the roots, they do not form nodules. Molybdenum fertilizer is an essential trace element for nitrogen fixation in root nodules, and when the soil is deficient in phosphorus, applying molybdenum fertilizer alone actually reduces the number of root nodules. Phosphorus's effect on the amino... in root nodules
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What are the precautions for spraying foliar fertilizer on soybeans?
Foliar fertilization of soybeans has the advantages of small dosage, quick results, high fertilizer efficiency and good effect, and has been widely promoted and applied in recent years. However, because some farmers mistakenly believe that foliar fertilization is "beneficial and harmless, the more the better," in actual practice there are problems such as randomly choosing the type of fertilizer, randomly increasing the dosage, randomly...
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What are the precautions for using bacterial biological insecticides?
To use pesticides to control crop pests and achieve the best insecticidal effect, while selecting the right pesticide and applying it at the right time, you must, based on the three factors that affect efficacy, pay attention to solving the two easily overlooked problems of timely application and delivering the pesticide to the target. 1. The three factors affecting efficacy. 1. Climate. Application...
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What are the key precautions for using herbicides in vegetable fields
In vegetable production, hoeing and weeding often accounts for more than 40% of the total labor used in vegetable field management. If chemical weeding is used, it can not only effectively control weeds and improve the quality and yield of vegetables, but also save a large amount of weeding labor and reduce labor intensity, but the following "eight precautions" must be observed....
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Five precautions for applying trace element fertilizers
The production of green food also imposes various restrictions on the fertilizers used. So what fertilizers are allowed? 1. Farmyard manure. Refers to fertilizers containing large amounts of biological matter, animal and plant residues, excreta, biological waste, and other substances. 1. Compost. Made from various types of straw, fallen leaves, human and livestock manure...
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What are the precautions for using post-emergence herbicides in corn fields?
I. 2,4-D butyl ester. (1) Causes of phytotoxicity. Applying the herbicide too late, at too high a dose, or unevenly can cause phytotoxicity. (2) Symptoms of phytotoxicity. When the herbicide is applied to the soil, the young shoots bend and the young roots grow upward, then later return to normal. When the herbicide is applied to stems and leaves, the stems become twisted, the leaves become narrower, ...
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Five precautions for using regulators in cotton fields
1. Pay attention to the scope of application. Cotton fields suitable for plant growth regulators must have good water and fertilizer conditions, and the cotton must show a tendency to excessive growth or already be growing excessively. They must not be used in cotton fields where the climate is dry and irrigation is not possible, where growth is weak, or where growth is inhibited by pests and diseases. 2. Pay attention to the application period. Mepiquat chloride generally...
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Watering precautions and methods for Aloe juvenna
Aloe juvenna is a variety that many plant lovers greatly enjoy, mainly because it looks very fresh and is also very appealing. So we can see it in many friends' homes. Everyone likes to place it on the office desk...
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What are the precautions for using bacterial biological insecticides?
Bt is a bacterial biological insecticide commonly used in vegetable production today, and its effect on controlling Lepidoptera larvae is especially pronounced, but the following points should be noted when using it: 1. Check whether the quality of Bt passes muster; this can be tested by "smelling." Normal Bt products all contain a certain amount of bacteria; when the lid is opened...
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