Yelai vegetables refer to green leafy vegetables with a short growing period, such as cabbage, green vegetables, leeks, spinach, celery, and kale, etc., and their leaves are used for whole plants. Due to the dense planting of this vegetable plant group, the distribution of roots is shallow.......

Graphene can be transformed into a “sound tube” to help deaf people “speak”. The "smart graphene artificial throat" invented by Professor Tian Ling, a research group of Tsinghua University Microelec.......

Watering vegetables in greenhouses should be arranged on sunny days. It is best to have several consecutive sunny days after watering. In the morning, you should choose not only the difference between water temperature and ground t.......

What is the integration of water and fertilizer? It is a modern agricultural new technology that first dissolves the fertilizer with water, then adds the pipe irrigation system, and transports the fertilizer to the root of the crop while irrigating, and timely meets the demand for water and.......

Although raising cows can make money, but not the same benefit of the peers can not all make money, now with cattle farmers to talk about the need to pay attention to what aspects of cattle.

1, buy cattle

Most cattle-raising h.......

Considering soils with low alkalinity, low organic matter content and effective nitrogen and phosphorus deficiency, acid nitrogen and phosphorus compound fertilizers such as monoammonium phosphate or humic acid NPK fertilizers and nitrogen and phosphorus compound fertilizers should be used........

Prosthetic storage: The celery harvested from the roots shall be planted in a false planting ditch with a single plant or multiple plants (or bundles) standing upright, fully watered, and then soiled with visible soil moisture. Ditch cover straw. Check the quality regularly.......

Pay attention to detail prevention. During the day, the burdock ox gnaws its body in the sun. It is necessary to put the oxen in the cow shed or in the shade, and at the same time it can splash water on the oxen to cool down. Mosquito bites in the evening, but in the evening the bullhead a.......

The news is the vernal equinox the day before yesterday. Today, the maximum temperature is 12°C, the minimum temperature is 6°C, light rain and breeze; tomorrow, the maximum temperature is 13°C, the minimum temperature is 5°C, light rain turns overcast,.......

Pork is rich in flavor and delicious, soft and crisp, low in cholesterol and high in protein. It is a food for all ages. The manufacturing method is:

1. Select the fresh pork hind leg meat, cut the pure lean meat into strips about 10 cm long, wash and drain, and.......

Raise the attention of cells

(1) How should the freezing tube be thawed?

Immediately after taking out the cryotube, it should be quickly thawed in a 37 °C water tank. Gently shake the cryotube to melt it.......

Ginger scent is warm, longer than the divergent cold, phlegm and cough, but also warm vomiting, detoxification, formerly known as "vomiting home medicine." Although dry ginger is identical to ginger, its performance is also different due to the different quality of fresh dried fr.......