Regulating temperature tomato coloring is mainly due to lycopene, and the formation of lycopene is limited by temperature, too high or too low will affect. Studies have shown that the optimal temperature for lycopene formation is 19°C-24°C, and the g-----!
There are two common cases of Chinese cabbage rotten heart. One is soft rot, which usually occurs when the cabbage is still relatively warm, and the cabbage is harmed by insects and spreads soft rot bacteria. The rotten part is wet and sticky. There is als-----!
Newly built greenhouses have less pathogens, but the new greenhouses are all virgin land, which needs to be fertilized reasonably to activate the soil. After the new shed is built, it is necessary to plan in advance, give full play to the advantages of the-----!
Vegetables enter the fruiting period and have reached the critical stage of improving yield and quality. So, how to promote fruit expansion? Nutrition should be comprehensive During the vegetable expansion period, the plant has a large demand for nutrients-----!
When building greenhouses, in order to save time and effort, the mellow soil on the surface layer is generally used to build the shed walls, so that the soil used for planting vegetables is mostly raw soil about 1.5 meters from the surface, which lacks org-----!
1. Clever application of top dressing: Okra has a long growth period, and its tender fruit harvest period can be as long as 100 days. Therefore, in addition to applying plantar fertilizer before planting, topdressing should be applied in time. That is, aft-----!
Pueraria, a genus of the genus Rhododendron, has a feathery shape and 3 leaves. At present, there are about 14 kinds of puerarin grown in China. Commonly, there are kudzu, edible puerarin, pueraria pueraria, eucalyptus radix radicans, radix radicans, genus Pueraria lobata, and -----!