Carbon dioxide is an indispensable gas for photosynthesis of green plants. The application of carbon dioxide gas fertilizer in greenhouses is very effective. It has been determined that if the concentration of carbon dioxide in the shed is increased to 1000 ppm, cucumber can increase yield.......
When manual weeding costs, it is also difficult to control the harm of a large number of weeds. Chemical weeding technology uses quick results and good results. The chemical weeding techniques of the main vegetable fields in Xiaqiu are as follows:
Chinese cabbage
Before t.......
Chinese cabbage
Before t.......
LME Market Commentary on the day: LME Market: The London Metal Exchange (LME) copper closed lower on Thursday as the dollar rally weighed on market sentiment. However, the bargain-hunting takeover orders that emerged before the close cut the fall in copper prices. "The market has been kill.......
Pool Wire
Material: High-quality low carbon steel wire rod
Category: Electro galvanized wire hot dipped galvanized wire mesh.
Feature: Oxidation-resisting excellent gloss, strong bidding force, uniform zinc .......
Material: High-quality low carbon steel wire rod
Category: Electro galvanized wire hot dipped galvanized wire mesh.
Feature: Oxidation-resisting excellent gloss, strong bidding force, uniform zinc .......
This week, LAU continued its downward trend. It is expected that the rebound will not be accelerated but will be accelerated. Under the pressure of bank selling close to the weekend, the aluminum price fell below 1750 U.S. dollars to 1737 U.S. dollars, and closed at 1747 U.S. dollars near the l.......
It is forbidden to use nitrate nitrogen fertilizer on vegetables, especially leafy vegetables, to avoid the accumulation of nitrate. The use of other forms of nitrogen fertilizer should also control the amount of use and the number of uses, and pay attention to changes in the use environme.......
First, the prevention of weeds, clear ditch drainage: weeds directly affect the growth of rapeseed and field ventilation, which is conducive to the occurrence of sclerotinia; the accumulation of water in the field affects the roots of rapeseed and reduces resistance. Therefore, farmers sho.......
Abstract In 2016, the “Intelligent Manufacturing†project was organized and reported by the local Economic and Information Committee. The Equipment Department of the Ministry of Industry and Information Technology summari.......
In the southern part of China, especially in the Yangtze River Basin, eggplant, pepper, tomato and other solanaceous vegetables are often cultivated in protected areas. They are often affected by adverse weather such as low temperature and rain, and are susceptible to rickets, blight, scle.......
Today, Shanghai Aluminum’s main contract futures prices rose slightly. From the position perspective, the main airline total positions slightly decreased, while the main long positions slightly increased, and the market’s bearish sentiment further weakened. Judging from the tradin.......