Planting Technology Lists
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What is the effect of topdressing in the rainy season?
What is the effect of topdressing in the rainy season? Please introduce many thunderstorms in summer. Many farmers often sprinkle chemical fertilizer into the fields in the face of thunderstorms. Studies have shown that it is not unscientific and harmful to apply chemical fertilizer to crops and seedlings in this way. First, it is easy for farmers to be struck by lightning when spraying chemical fertilizer in a thunderstorm.
2018-07-14 -
What kind of fertilizers are used to top fertilizer in summer?
What kind of fertilizers are used to top fertilizer in summer? Please introduce the summer field crops mainly topdressing nitrogen fertilizer, cash crops such as vegetables, tobacco, grapes, cotton, etc., in addition to nitrogen fertilizer but also potash fertilizer. For example, spring corn crops take the application of one-time urea base fertilizer as a reference. The other half of urea was used as topdressing at the end of July.
2018-07-14 -
What should you pay attention to to fertilize eggplant in summer?
What should you pay attention to to fertilize eggplant in summer? It is necessary to pay attention to the following three points for topdressing eggplant in summer: ditch fertilization, vegetable farmers apply chemical fertilizer, it has become a habit to apply chemical fertilizer with water, but this method should not be used in summer high temperature season, because the temperature is higher, when flushing chemical fertilizer, a large amount of ammonia volatilization will reduce the efficiency.
2018-07-14 -
What do you need to pay attention to after topdressing crops?
What do you need to pay attention to after topdressing crops? Please give us a wide variety of fertilizers for topdressing crops outside the roots, but some are suitable for foliar spraying and some are not suitable for foliar spraying. Such as urea, potassium dihydrogen phosphate, borax, ammonium molybdate, zinc sulfate and so on can be foliar spraying. Some chloride ions are volatile and difficult.
2018-07-14 -
How to fertilize fruit trees in summer?
How to fertilize fruit trees in summer? Please introduce the method that the fruit of grape, pear and other fruit trees begin to expand in the first rapid expansion period in mid-late June. During the positive period of physiological differentiation of flower buds, the root system grows rapidly and absorbs actively, and it is easy to get rid of fertilizer. In this critical period, timely and appropriate amount of topdressing can supplement the nutrients needed by the tree.
2018-07-14 -
When is crop topdressing effective?
When is crop topdressing effective? Please introduce the following to introduce some of the best time to catch up with crops: the best topdressing period for corn under the principle of balanced fertilization, corn in the jointing stage to the big bellmouth stage, is the peak period of nutrient absorption, generally can be applied before and after jointing the first fertilizer. 10 kg urea per acre...
2018-07-14 -
How is the effect of topdressing with urea?
How is the effect of topdressing with urea? Please introduce in detail that urea is a variety with high nitrogen content (N46%) and soluble in water. 108kg urea can be dissolved in 100kg water at 20 ℃. In chemical composition, urea is a kind of small molecular organic nitrogen fertilizer. After being applied to soil, molecular urea is soluble in soil solution.
2018-07-14 -
Is there any way to improve the effect of urea topdressing?
Is there any way to improve the effect of urea topdressing? Please introduce the use of urea topdressing can refer to the following methods: 1. The amount of topdressing is determined according to soil fertility. The practice shows that increasing the amount of fertilizer applied to the middle and low yield fields can significantly increase the yield. Keep general fertilizer and water to the high-yielding fields.
2018-07-14 -
What should we pay attention to when using glyphosate to weed in corn fields?
What should we pay attention to when using glyphosate to weed in corn fields? Please introduce glyphosate is an internal herbicide, when used in corn field, if it is not used properly, it will cause harm to corn, mainly for the following reasons: first, there is a lack of understanding of the performance of glyphosate. Glyphosate is an internal herbicide.
2018-07-14 -
How to use chemical weeding to grow corn?
How to use chemical weeding to grow corn? Please introduce that chemical weeding has been widely used in all periods of maize growth. Due to the different climatic characteristics and planting habits in different regions, there are differences in sowing and ploughing time of maize. According to the planting time, corn is usually divided into spring corn and summer corn. For spring.
2018-07-14