1. Water control. With the gradual decrease in temperature, the growth rate of the plant slows down significantly. At this time, proper water supply is an effective way to ensure the normal growth of colored peppers. 2. Temperature control. There is a big ---MORE---
At present, many plots of wheat have been produced, but some plots of wheat seedlings are found to be yellow, thin and weak. What causes it and how to prevent it. Causes of yellowing of wheat seedlings There are many reasons for the yellowing of wheat shoo ---MORE---
Vegetable farmers know that the high humidity in the shed is one of the main factors for the high incidence of diseases in early winter. If the humidity can be reduced to a suitable range, the incidence of vegetables in the shed will be greatly reduced. He ---MORE---
When planting, apply medicament to the holes to control root diseases and prevent the death of sweet pepper. Post-emergence The medicament irrigates the roots to consolidate the effect of disease prevention, promote the development of the root system, and ---MORE---
The “two lines and two wires†hanging vines are the ones most used by vegetable growers. They are divided into four and hanged on the four main branches of the same plant. "When hanging vines are labor-intensive, hanging a bell pepper on such a rope is quick and easy." This i ---MORE---
Preparation of electric shock and heat shock competent cells Experimental reagent LB medium, KB medium, 10% glycerol, liquid nitrogen, 0.1M CaC1 2 solution Laboratory equipment 5毫å‡çš„离心管, Ultra-clean workbench, shaker, centrifuge, 250mL centrifuge bottle, 0. 5mL ce ---MORE---
1. Insufficient root fertilization When the roots are infertile, such as in the late stage of crop growth, the root activity declines and the ability to absorb fertilizer decreases; or when the soil environment is unfavorable to crop growth, such as exces ---MORE---