Nitrogen generatorscan be divided into three types, as follows: * Species: Cryogenic air separation nitrogen deep cryogenic nitrogen production is a traditional nitrogen produc.......
Flammulina raw material bed planting method, simple process, can save labor, is conducive to large-scale production, this cultivation method using cottonseed hull as the main raw material, so suitable for cultivation in northern cotton production areas with low climate.
The eggs contain rich nutrients. Contains protein, phospholipids, vitamin A, vitamin B1, vitamin B2, calcium, iron, vitamin D, etc. Egg yolk contains a certain amount of phospholipids. Choline, which is separated into phospholipids in the human body, has the effect of preventi.......
In the current process of building greenhouses, east-west steel wires and north-south steel tubes must be tightly bound to ensure the stability of the greenhouse. In production, vegetable farmers mostly use iron wire to fix the joints separately, but for a long time, the steel wire at the .......
Adding sand to compound feed can make broilers gain weight. The reason is that feeding chickens with such feeds can increase the amount of sand in the stomach of the chicken and increase feed utilization. According to experiments, adding 8% of sand to the broiler compound feed can increase the.......
In recent years, high-quality pumpkins have become a new type of health vegetable, and the market demand is increasing. Taiwan farmers' seedling company's "Yi Pin" pumpkin has good quality and high planting efficiency. The species is early mature, strong growth potential, eas.......
Every year from July to October is the peak period of seedlings and stem pests, and many seedlings are harmed by earthworms. The stem borer is a type of pest that seriously damages the flowers and plants. It is mainly damaged by the larvae and the branches of the larvae. The species of trees t.......
The tool is 1.5 to 2.5 meters long and 3 to 5 centimeters in length (one is preferably thick and one is fine). A hole is drilled 3 centimeters from the slender end, and a hole is drilled at an interval of 18 centimeters. Then, using a 40 cm long and 1 cm diameter hemp rope, the two ends of.......
The price of various specifications of sugar has been raised by 13%, setting a new high in the past 20 years. The price of cooking oil has risen by nearly 20%, and 300,000 tons of reserve oil has been put into the market. Bottled gas prices have risen by 10% o.......
Stevia is planted in Caofei Town, Dongtai City, Jiangsu Province for many years. The economic benefits are considerable. The area has expanded rapidly in recent years. The main source of the plant is Stevia rebaudien seedlings. The following seven key points are needed for raising seedlings: <.......
According to the law of growth and development of tea trees, the above-ground part of the tea tree will gradually stop growing and enter the dormant period in autumn and winter. However, the underground part of the tea tree is just the opposite, gradually becoming active and entering the peak .......
Combine harvesters are large-scale agricultural machines with a complex structure and large investment. They use a short time each year and have a long storage period. Therefore, after the completion of the operation, it is necessary to conduct timely maintenance of the storage so that it can .......