First, the vegetable grower should understand the performance of the pesticide: 1.5% pyrethrin water emulsion is made by using plant-derived insecticide natural pyrethrin as the original drug. It contains six insecticidal active ingredients and high-efficiency broad spectrum of insecticide, which can effectively prevent the damage of cruciferous vegetable aphids. All agricultural pests have a contact and paralysis effect. Widely used in agricultural production and pest control. Crops are relatively safe within the prescribed range of doses. With UV shielding and anti-oxidation technology, the drug is more durable. Followed by the instructions for use: 1. Spraying at the initial stage of cruciferous vegetable aphids (If 蚜), the effect is best; 2, the initial stage of aphids, 160ml / acre, diluted 1000 times with water, even spray, the best effect. When the pests occur seriously, the dosage should be increased (this product will not cause phytotoxicity); 3, should be applied in the weather without wind or breeze, no dew, in order to avoid the liquid migration; 4. Applicable pests: cabbage caterpillar, tea green leafhopper, ruler, red spider, planthopper, aphid, caterpillar, cotton bollworm, scale insect, blind scorpion, spotted fly, etc. The third is to pay attention to the precautions during the spraying process: 1. Wear masks and rubber gloves when applying medicine to prevent inhalation of liquid medicine. Do not smoke, eat or drink water. Wash hands, face and body after application. 2. Alternate use with other mechanisms of action to delay the development of resistance; 3, avoid mixing with alkaline pesticides to avoid a reduction in efficacy; 4. During the application, attention should be paid to the harm of nearby bees, and it is harmful to aquatic organisms such as fish. It is necessary to apply medicine away from the fish pond. It is forbidden to clean the application equipment in the drinking water source; 5, avoid pregnant women and lactating babies contact the pesticide. More pesticide knowledge, please pay attention to China Pesticide Network
Overhead sectional door most widely used for loading areas on all types of industrial premises and Designed with a curved overhead track, these vertically-opening sectional doors can be installed in areas with reduced head room. They provide heat and sound insulation with its composite panel construction.
The counterbalance and cable system provides quiet and straight forward operation for manual doors. Electric operation is available for larger applications that can incorporate many alternative operator options to suit all client requirements.
The standard outer panels are manufactured from 0.5mm thick, high quality zinc coating to BS EN 10147
For the best weather protection the sectional door panel has an interlocking hinged joint integrating a high quality seal the full length of the panel.
A counterbalance system is incorporated into the sectional overhead door to ensure efficient and effortless operation.
The counterbalance comprises of springs mounted on a steel shaft that are high tensile helical wound steel. It has been heat treated for enhanced performance for around 50,000 cycles.
Reducing shaft friction is achieved with the aid of brackets and guide rollers incorporating highest quality sealed bearings.
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