Green beans cultivation
The green beans are generally divided into spring and autumn. In the spring, there are two kinds of ground beans and legumes. In the autumn, the beans are mainly beans. Four seasons cultivation chain: The annual four-acre mu effect is about 3,500 yuan. The cornice arrangement is to plant green beans before and after the beginning of autumn on August 7th, sowing peas on or around October 7th, the second year of spring, the end of February and early March, and the middle of March. Early planting of small bow shed melons, the end of the melon in mid-June, interplanting soybeans listed in August. Cultivation Techniques: 1. Variety: The main beans of autumn green beans include Qingdao rack beans and safflower white beans. 2. Sowing date: Early planting at the end of July will generally produce low yields, but it will be able to obtain higher prices in the early stages. In mid-August, the general yield is high in early August, but the price is low, late in September, there are risks in early September, and the yield is low, also for the purpose of obtaining Higher prices. 3. Moisture: In the early stage, generally no watering, no fertilization, until the flowering and wetting season can keep the soil dry and wet. 4. Fertilizer: mainly farmyard manure, till 2 centimeters in length, combine topdressing with watering once, in principle, take 1 to 2 top dressings once. 5. Diseases and pests control: Epidemic diseases, use antivirus scorpion, Jin Lei Duomi 500 times liquid spray; Bacterial leaf spot, use agricultural streptomycin, can kill and other control; bean pods, Spodoptera litura, with Rui Jin Te, except Take control.
Laboratory Consumables Deep Well Plates is used for culturing cells or bacteria, with 6 wells, 12 wells, 24 wells, 48 wells and 96 wells. Similar to clear microplates, but for a very different purpose. Laboratory Microplates of medium to the wells of the culture plate, and then carry out cell culture in a suitable environment. Generally, the culture plate has a flat bottom, which is suitable for the suspension culture of cells and tissues, and also has aU-bottom microplate and a Round deep hole plate. After surface modification treatment, it can have cell adherent culture and growth characteristics.
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