Can the general nutritional soil be used directly?
1. Can general nutrient soil be used directly?
Try not to use the general nutrient soil.
General Nutritional soil is generally composed of fat field soil and rotten Fertilizer.Nutritional soil is a kind of soil specially prepared to meet the growth and development of seedlings. It contains a variety of mineral nutrients, loose ventilation, strong water and Fertilizer ability, and disease -free pests.Nutritional soil requires high organic matter content, complete nutrients, reasonable soil structure, and active microorganism.
General Nutritional soil is a good thing, but in general, the permeability and water retention of nutrient soil we buy are good.We must choose nutrient soil according to the habits of plants.However, according to the dry and humidity of soil water, especially some flower watering frequency is too high, it is easy to rot. If you are raised indoors, the pot soil is dry and slow, it is not suitable for the use of Nutritional soil.Persons to increase its permeability.Prevent the soil of the basin.In other words, we mix the soil according to the habit of flowers and mix water according to the habit of flowers. That is the best.
2. What is good for cultivating soil sterilization?
Because germ spores, insect eggs and live body, and weed seeds are often contained in natural soil, the prepared culture soil needs to be disinfected to achieve the purpose of eliminating germs and pests.The common disinfection method has the following:
1. sunlight disinfection method
Put the prepared cultivation soil on the clean cement floor or iron plate thinly, and expose to the sun for 2 to 3 days under the scorching sun.For example, in the summer, a large amount of germs can be killed, mycelium and pest eggs, and nematode.Although this method is not strict, it is simple and easy.
2. Heating and disinfection method
There are many methods for disinfection of soil disinfection, including cooking, high -pressure heating, and steam heating.As long as it is heated to 80 ~ 100 C, it can achieve the purpose of disinfection for 30 to 60 minutes.However, the heating time should not be too long, otherwise it will kill the beneficial microorganisms that can break down the Fertilizer, and therefore hinder the normal growth and development of flowers.If family flowers do not have a heating equipment, you can put the prepared culture soil into the iron pot, fry the stove for 20 minutes, or steam it in a high -pressure cooker for 10 minutes. It can also receive the effect of disinfection.
3. Pharmacy disinfection method
Commonly used Femarin with 40%formaldehyde to disinfection, sprinkle 400-500 ml of water in the soil of cubic meters of cultivation soil, and adds a diluted liquid of 50 times water, and then accumulates the soil, cover the plastic film on the top, closed 48After hours, remove the coverage and spread out the soil. After the Galmarin gas is completely volatile, it can be used.It can also be used with 50%bacterial spirit 50 grams or 65%Daisen zinc 50 grams, mixed with 1 cubic meter of cultivation soil, and after 3 to 5 days, the drug is volatile for one week.You can also use 0.1%to 0.5%potassium permanganate to pour stuffy for 2 to 3 days.