Bananas, rich in trace elements and vitamins, can help muscles relax, make people feel physically and mentally, and have a certain weight loss. Bananas grown in China are mainly distributed in tropical and subtropical regions such as Guangdong, Guangxi, Hainan, and Taiwan. Because they can be harvested throughout the year, many farmers choose to plant them. Banana root-knot nematodes mainly harm the underground roots. These nematodes pierce banana roots with sharp needles, causing wounds and absorbing banana nutrients. Digging into the roots of the ground, it was discovered that the roots were covered with a large number of tumors, initially white, and later turned brown and hardened. Above the ground, there are yellowing leaves, dull growth and slow growth. Chemical Reagent is the relative reference material for chemical research and component analysis. It is an important condition for scientific and technological progress. It is widely used in the synthesis, separation, qualitative and quantitative analysis of substances. Silymarin,Tamoxifen,Salbutamol,Clomid,Coluracetam Xi'an Henrikang Biotech Co.,Ltd , https://www.xianhenrikangbio.com
At the same time, banana root-knot nematode disease is also getting worse. Previously, farmers reported that the bananas they planted had yellow leaves and slow growth. They suspected that they had yellow-leaf disease. In fact, banana nematodes are making trouble! 
In this regard, the relevant experts said that because bananas are relatively long-growing crops, it is recommended that farmers choose to use drugs to prevent banana root-knot nematode disease. Before the transplanting of banana seedlings, it is possible to use Ligen sand granules with compound fertilizer or mixed soil for hole application or application (according to the severity of nematode damage is recommended 3-6 kg/mu). Ligan sand granules use unique adsorption carrier particles. + Sustained-release technology, efficacy for a period of up to 2 months.
If bananas are in the growth stage and they are found to be infested by banana root-knot nematode disease, they can be treated with 1 liter of Ligen Sand Emulsifier and irrigated with water. Liggen Sand Emulsions uses the most advanced biocidal components, combining strong contact and high permeability. Therefore, this method is effective in killing rootworms, killing them thoroughly, and at the same time stimulating the rooting of the crops, and can quickly restore the tree vigor to achieve a good control effect. 
(Using Ligan sand, good quality)
Early chemical reagents simply meant "pure chemicals used in chemical analyses and tests for the purpose of determining the composition or composition of substances". Later it was extended to "a chemical used for the purpose of a chemical reaction", and the term "chemical reagent" refers to a chemical that has long gone beyond this category. Some people think that "chemicals used in scientific experiments" can be called "chemical reagents". A more comprehensive definition of a chemical reagent may be a compound or element of various purity grades used in chemical tests, chemical analyses, chemical studies, and other tests.
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