10 ways to remove vegetables

Pesticide residues in vegetables are an important issue in food safety. Especially in summer, it is not only the peak period of vegetable consumption but also the active period of pests, resulting in serious overdose of pesticide residues in vegetables. Take a look at the 10 methods of vegetable -----

Too much salt can be addictive to stomach cancer

Usually cooking, eating under the pavilion are very salty? Be addicted and get stomach cancer! Eating too much salt is bad for your health. Studies have shown that excessive intake of salt can lead to addiction, and even increase the risk of stomach cancer, seriously affecting your health. Amy.com-----

Experimental animal immunization program

1. Antigen: protein, peptide, organelle, cell, tissue, etc. 2 , immune methods: subcutaneous injection, intraperitoneal injection, intravenous injection, intramuscular injection . 3. The amount of antigen required for immunization of different animals (taking protein immunization as an example) -----

Prevention of grape black spot disease

Agricultural control: Control nitrogen fertilizers, increase phosphorus and potassium fertilizers, and avoid leggy. Strengthen shelf management and improve ventilation and light transmission conditions. Chemical control: Combine and prevent other diseases before germination, spray 5 waves of US-S-----

What time is it in winter vegetable greenhouse?

The most important thing is to pay attention to the adjustment of photosynthesis in the morning and evening. In vegetable greenhouses, more carbon dioxide is accumulated in the evening. This is mainly due to the decomposition of organic matter in the soil and released by the respiration of vegetab-----