What are the details of the operational safety issues of steam generator manufacturers?

1. Beforehand, wear the required labor supplies, carefully check the water supply/drainage of the steam generator, the air sup.......

First, reasonable irrigation

During the fruiting period of peppers from July to August, special attention should be paid to the irrigation technique. It is necessary to make small irrigation or interspersed irrigation. It must not be flood.......

Two teams explore the impact of the first flu on the immune system

June 05, 2019 Source: Nature Natural Science Research

After the urea is applied to the soil, it is converted into ammonium nitrogen by the action of urease to be absorbed and utilized by the crop. Because urea is an amide nitrogen fertilizer, it has low adsorption force with soil colloid, and has str.......

“Gas and fertilizer” is a “nickname” for farmers to give ammonium bicarbonate. It is a chemical fertilizer with more than 17% nitrogen. It can not only provide nutrients for the growth of crops, but also be used as pesticid.......

A: The time for bagging is usually 35~40 days after flowering. Medium-ripening kiwifruit can be bagged from June 5th to 25th, and late-maturing varieties can be bagged from July 5th to 15th. Bagging premature fruit handle is young, it will affect .......

“Gas and fertilizer” is a “nickname” for farmers to give ammonium bicarbonate. It is a chemical fertilizer with more than 17% nitrogen. It can not only provide nutrients for the growth of crops, but also be used as pesticid.......

After the summer solstice, it entered the sky, the temperature is high, and the light shines. It is the longest day of sunshine. In the flood season, there is an increase in rainwater; various crops are growing vigorously, and weeds and pests are rapidly growing. It is necessary to strengt.......

1. Seed quality problems

When choosing peanut species, the quality is not very high. For example, some friends use the self-retained species at home, some moldy, rotten, dry, etc., which are directly used for sowing. In the soil, the lack .......

Balanced nutrition, apricot trees are most prone to flow gum flow disease, when the flow of glue flowing water is used to protect the trunk of the mother tree to brush the trunk fruit tree transmission system to produce condensate, so that the pip.......

Fast-growing white wax is very adaptable, it is cold-resistant, drought-tolerant, sturdy and salt-tolerant. Planting a wide range, like big water and big fertilizer. It is an excellent street tree, urban greening and ecological timber forest speci.......