1. Remove weeds and eliminate germs. After the daylily picking, the pasture should be cleaned up in time, and the weeds and sickness around the field should be removed. The old leaves of the daylily should be removed, and the nutrients of the nutrients should be reduced, which helps the early-stage autumn seedlings and promotes the quality of tillers. For the removal of weeds and sickness, it is necessary to promptly remove the pastoral outside, and also spray the fungicide properly to reduce the occurrence of pests and diseases in the field. 2. The land is deep and ploughed. Soil is an indispensable condition for crop growth, so it is necessary to carry out deep tillage and improve the soil environment. A group should be carried out in fine weather, with a depth of 25-30cm. It cuts off the root system of day lily and promotes new root system. Growing hair roots. 3. Pest control. The pests and diseases of day lily are mainly red spiders and small tigers, so timely spraying of targeted pesticides can effectively reduce the occurrence of these insects. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
Pentaerythritol is mainly used in the coatings industry, can be used to manufacture alkyd resin coating, can make the coating film hardness, luster and durability.It also USES up with anger paint, lacquer and printing ink of pine resin needed raw materials, coating and drying oil, smoldering sex and aviation lubricating oil and so on.
Pentaerythritol,Pentaerythritol 115-77-5,Pentaerythritol Msds,98% Pentaerythritol Shandong Tiancheng Chemical Co., Ltd. , https://www.tianchengchemical.com
Also used in medicine, pesticide and so on production.Pentaerythritol molecules containing four hydroxymethyl equivalent, with high symmetry, so the production raw material is often used as multifunctional compound
By its nitrification can produce pentaerythritol tetranitrate (taian, PETN), is a kind of high explosives;Esterification available pentaerythritol three acrylate (PETA), used as a coating.
