First, fertilization at the seedling stage When the soil nitrogen (N) content is less than 30 mg/kg and the phosphorus (P) content is less than 20 mg/kg, the tomato seedlings grow slowly and weakly. Therefore, cultivating strong seedlings is the basis for high yields of tomatoes. Generally, 10 ---MORE---
1) In terms of stability, bamboo flooring shrinks and expands less than solid wood flooring. However, the shortcomings of bamboo flooring in actual durability are also obvious. First, it is prone to delamination due to the influence of sun and humidity. In the south, bamboo flooring is prone t ---MORE---
Abstract Yesterday, at the interval of the first Nobel Economist China Summit, Lin Boqiang, deputy dean of Xinhuadu Business School, said in an interview with this reporter that photovoltaic is a distorted luxury because of its poor quality and high price. Lin Boqiang said that the photovolta ---MORE---
Abstract Recently, the installation work of Φ700 cylinder diameter artificial diamond press independently researched and developed by Chinese technicians has come to an end. At this point, the Φ700 cylinder diameter synthetic diamond press has doubled to 40 units. According to reports, ---MORE---
The flower pod period is the peak period of soybean uptake, and the plant needs a lot of nutrients. However, at this time, the root system began to enter the aging stage, the absorption function decreased relatively, and the utilization rate of soil topdressing was very low. Due to the large popula ---MORE---
Break the casserole Speaking of bamboo charcoal products, people are familiar with deodorant, formaldehyde-removing bamboo charcoal packs, and bamboo charcoal masks that can resist dust blocking. In recent years, a new type of product, bamboo charcoal food, has appeared on the market. Please pay ---MORE---
Abstract One box is a slightly mild price trend in the spot market, and the other is a lower-than-expected “double-reverse†ruling result and photovoltaic power generation grid-connected policy. Most polysilicon manufacturers swaying in the upstream of photovoltaics are still wait ---MORE---