In recent years, a new pest appeared in the strawberry planting shed in Junan County, Tangshan City, called Kuy. This kind of pest not only eats the leaves of strawberry and affects the growth of the strawberry, but also secretes a special kind of mucus that will leave a white track on the strawbe-----!
The general climate in China is arid, which promotes the nutrient accumulation and flower bud differentiation of litchi and longan. Currently in the spring, the management of lychees in this season is related to the key links in the growth and development of the current year. Based on the current -----!
Plants are medium-sized, upright, short-grained, and the leaves have a clear silver light. Melon-shaped cylindrical, melon long 20 ~ 22 cm, harvesting period concentrated, considerable yield. Anti-watermelon mosaic virus, zucchini yellow mosaic virus, powdery mildew and downy mildew. About 45 days -----!
At the same time as the product is diversified, the pump as a general-purpose product, the total amount is still huge. In the market, in addition to technical competition, price competition of products, especially price competition of generalized products is an inevita-----!
The netizen Scarecrow sent an email: What kind of herbicides are used in greenhouses? What should we do if we have mixed grasses and broad-leaved weeds and there are many sedges? Greenhouse leeks are generally planted in a transplanting manner. After transplanting, they can use pendimethalin, prom-----!
Rapeseed only blooms, and the phenomenon of incompetence is called flowering. In the process of growth and development of rapeseed, due to improper fertilization and management, there are often more flowering, less joint angles or flowers, which have a greater impact on yield. In order to seize th-----!
Zhao Shujun Yuan Hancheng (Waters Technology Co., Ltd. Beijing) Â Key words: UPLC-Xevo TQ, herbicide, pesticide, PICS, ScanWave, Quanpedia Foreword: A method for the detection of 11 herbicide pesticides using the Waters UPLC-Xevo system was established. These 11 pesticides are quaternary ammo-----!