Zhenjiang 130****1521 mobile phone sent a text message on March 22: 50% isopropenol 300 grams per acre, mixed with urea scattered into the wheat field, the results of the field most of the old grass grass died, and some grass is not dead Long, it is estimated that it will not die. Why is this?
Answer: Isoproturon can be absorbed into the weeds by roots and exert its herbicidal action. When the soil moisture is high after application, the drug is easily absorbed by the weed roots, and the herbicidal effect is better. According to the situation reflected by the text message, it is difficult to determine the real cause of the difference in weeding effect. It may be that the “old grasses†that have been exterminated in the field and the “grasses†that are not dead or long are different types of weeds, and their sensitivity to isoproturon is different. If grass and grass are the same species of grass, there may be conditions where the growth of large grass soil is good and the humidity is high, while the growth area of ​​small grass is high, and the soil moisture is small, which is not conducive to the efficacy of Isoproturon.
Plant extracts powder have the characteristics of green, environmental protection, and safety, and it has been emphasized in culture applications, and it has gradually become a research hotspot, and it has gradually become a positive and productive alternative to antibiotics after feed resistance prohibition.
Plant Extract (PE) is a single or mixed substance obtained from plants by physical and chemical means, which contains polyphenols, alkaloids, polysaccharides, essential oils and other active substances. Polyphenols are the most abundant active components of PE, which have antioxidant, anti-inflammatory, antibacterial and anti-tumor activities. Similarly, other components (e.g., flavonoids, alkaloids) have multiple biological functions.
The Catalogue of Feed Ingredients contains 117 natural plant extracts, such as anise oil, basil oil, cinnamon oil, clove bud oil, orange oil, lost essential oil, oregano oil, and thyme essential oil.
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