Black curd vinegar is also known as "black currants, black beans fruit." It is a perennial small shrub, with a general life of 15-20 years or more. Its small berries are black and appear as spikes. It is a kind of fruit tree with strong cold resistance. In the cold climate in the norther

China's largest production area of ​​peony in Heze, Shandong and Luoyang, Henan, where is located in the warm temperate zone, the annual rainfall of 800 mm, is a semi-humid area. The South is located in the subtropical and tropical regions with an annual rainfall of 800-2000 mm, w

With the adjustment of the industrial structure of agriculture, some greenhouses have been cultivated on the slopes of some shallow mountain areas of Shuangyashan City. Because the soil on the slopes of shallow mountain areas is mostly dark brown soil with gravel bottom, the absorption of zinc is

First, the process flow and operating points 1. Process olive→selection→cleaning→blanching→crushed enucleation→spiral squeezed juice→(juice→normal temperature enzymolysis, fruit residue→normal temperature enzymolysis)→merge two juices

A composition carburetor consists of a nozzle, a metering hole, a mixing chamber, a float chamber, a needle valve, a float, a helium tube, and a throttle valve. Second, the working principle of gasoline from the fuel tank into the float chamber, the height of the oil level is controlled by the floa

For a long time, marine fisheries fishing operations and processing and transportation processes have always been based on ice preservation as the main preservation method. This traditional production method has obvious defects: it consumes fresh water, consumes energy, has limited effective produc

"To cure pests with fertilizers" is to use fertilizers to achieve the purpose of killing crop pests. This is the two new pest control and pest control methods that have been promoted and used in recent years. This method can both prevent and treat insects, but also has fertilization effic

Eucalyptus leaves are rich in betaine, rutin, and various amino acids and trace elements. Loquat leaf tea has health functions such as nourishing liver and eyesight and softening blood vessels. Its processing method is as follows: 1. Collect leaf. Pick fresh green leaves, no pests, diseases, hypert

First, according to local conditions, select the local varieties suitable for planting. It is necessary to select suitable varieties based on local climate resources. It is required to have varieties that are characterized by early maturation, short growth period, less coldness during dormancy, hig

The wave-type cultivation mode is for the bed type cultivation, that is, when the planting material is sown, the culture material on the bed surface is undulated and wavy. Its greatest advantages: First, it increases the area of ​​fruiting on the bed surface. Compared with the mode o