Live field is now a model for many rice cultivation, but many farmers say that there are a lot of weeds in the live field. How should we control weeds? The following is a small series to introduce the method of weeding in the field of rice fields. No closure, no live broadcast Whether it is dry or live broadcast, pre-emergence closure is a must. If you want to do live broadcast, you need to do pre-emergence closure. For dry live broadcast, generally use closed herbicides such as pendimethalin, butachlor, clomazone, etc. Ingredients, water is usually broadcasted with propaneamine added with a safener. In order to prevent both broadleaf and sedge, bensulfuron-methyl can be added. The water was pre-emerged before the buds were applied one day after sowing. Secondary closure can extend the control time In the past few years, we should find that even if we have done pre-emergence and stem and leaf treatment, we may find a large amount of valerian or other weeds in the later stage. Therefore, it is recommended to add acetochlor in the 2 leaves of rice. One closure, which enhances control of late weed germination. Choosing the right stem and leaf treatment agent is critical At present, the treatment of rice weed stems and leaves is still very important. It is generally recommended to use cyanoflufenate + penoxsulam for stem and leaf treatment after 2 leaves of rice. If pre-emergence is done in the early stage, the effect of pentafluorocarbon and cyanofluoride is still Yes, after 3 leaves, dichloro, bispyribofum, pyrimethoxam, cyhalofoprin and other varieties can be used for weeding. After 5 leaves of indica rice, oxazolamide can be used, and 4 leaves of japonica can be used. It should be noted that weeding should be early and early treatment is better. The above is about the introduction of weed removal in rice live field, weeds will steal the nutrition of rice, which is not conducive to the growth of rice, so we have to remove the weeds quickly, the methods described above can be tried, hope Xiaobian shared content can help the majority of rice growers.
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