Shiyan Supply and Marketing Co., Ltd. Protects Autumn Sowing Agricultural Supplies
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According to reports, the Shiyan City Supply and Marketing Cooperative did a good job of investigating the autumn sowing of the agricultural materials market in advance and organized the transfer of marketable agricultural products to ensure that it did not misuse the farm. The two heads of agricultural capital management companies, Xinghe and Jinmanyuan in the city, intensified their procurement efforts and provided sufficient sources of agricultural resources. Up to now, the city's various systems have put in place 40,900 tons of various types of chemical fertilizers, an increase of 9% over the same period of last year; agricultural film 231 tons, an increase of 43.5%; 3205 pesticides, an increase of 63.4%.
At the same time, the agency also launched a series of convenience services initiatives to provide farmers with agricultural techniques and information services such as soil testing, formula fertilization, and insisted on delivery and extended business hours to facilitate the farmers' autumn production.
Protein skimmer
Protein skimmer is the most commonly used by aquarium and aquaculture professionals to describe the removal of suspended and dissolved waste from fish tanks by means of air floatation, which is a relatively simple process which relies on the physical and chemical properties of coagulation.
Protein skimmer enhances the oxygenation of a system both biologically and physically. Biological oxygen demand is reduced by the direct removal of biodegradable organic carbon (protein), as well as bacteria in the water column. Physically, the increased surface area provided by the injection of large volumes of air (in the form of small bubbles) into a column of water creates a condition for gas exchange. The addition of a small dose of ozone to the process, with its coagulative and disinfectant properties, makes skimming possibly the best component one could add to a modern life support system for Aquaculture.
