The fertilization of seedlings is crucial to the growth and development of the seedling nursery. How do you fertilize seedlings? Here's just to tell you about seedling fertilizer technology.
Seedling fertilization technology
The most basic and effective way to fertilize seedlings is to “fertilize the soil,†that is, according to the nature of the soil, different fertilization methods are used to apply different fertilizers. Specifically, pay attention to the following three points:
First, fertilize the seedlings according to their soil fertility and fertilizer characteristics. In general, all soils are relatively heavy, organic matter content is relatively high, and fertility is also relatively strong. Even if more fertilizers are applied at one time, nutrients will not be lost. Conversely, soil is sandy, organic matter content is small, and fertilizer-holding capacity is correspondingly Weak, fertilize on this kind of soil, each dosage shouldn't be too much, should pay attention to "eat more meals frequently", divide and apply. However, the characteristics of soil fertility are also different. For example, fertile loam has strong fertility, and the fertility is long and stable. This type of soil can be used for more fertilization, and the frequency can be less; while the sandy soil has poor fertility. Adequate fertilizer and insufficient stamina, this should pay attention to the late supply of fertilizer.
How to fertilize seedlings
Second, according to the number of nutrients in the soil choose fertilizer and determine the amount of application. The nutrient status in the soil is not only related to the parent material of the soil, but also directly or indirectly related to the soil cultivation system. Generally speaking, if the former planter is an annual nursery stock, the nitrogen in the soil is more, but attention should be paid to increasing phosphorus. Potash fertilizer. The former is the perennial seedlings nutrient consumption in the soil is large, should pay attention to increase the nutrient adequate organic fertilizer, and to ensure nitrogen, phosphorus, potash fertilizer, especially nitrogen fertilizer supply.
Third, according to the acidity of the soil, choose to use chemical fertilizers. Acidic soil should be selected alkaline fertilizers, such as ammonia, ammonium bicarbonate, calcium magnesium phosphate, etc., alkaline soil should be selected acidic fertilizers, such as superphosphate, ammonium sulfate, etc., in order to avoid the soil becomes too acid or alkali, to ensure that the seedlings The effective absorption and utilization of nutrients.
Feline Infectious Peritonitis (FIP), referred to as Feline Infectious Peritonitis (FIP), is a fatal abnormal immune response that occurs in cats. It is caused by the mutation of the feline coronavirus carried by cats. As a high-incidence and fatal disease of pet cats, the current incidence of feline abdominal transmission is about 10%.
The symptoms of cats are usually divided into two categories, namely wet FIP and dry FIP, of which wet FIP accounts for the majority of all cases. About 70%, manifested as abdominal pleural effusion, abnormal bulging; dry FIP cats have different symptoms, depending on the type of organ affected by the virus.
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