March is the spring planting period of fruit trees. Although the temperature is relatively warm, there is more rain, and the survival rate after planting is high, if the method is not appropriate, the survival rate after planting will be low. To master the scientific methods and techniques of spring planting of fruit trees.

Choose good seedlings and choose high-quality seedlings that are free of pests and diseases, strong growth, well-developed roots, short internodes, and no water loss. The main stems and branches of the seedlings have dark green leaves that are intact and shiny.

Apply full root fertilizer 7 to 15 days before planting, on the basis of deep soil modification of the planting hole in the mountain orchard, and the flat orchard under the top soil of the fruit pier, apply 0.5 kg of decomposed bean bran or peanut bran per plant, or pig 10-15 kg of beef fat. The fertilizer should be mixed well with the soil and not directly contact with the roots to prevent the roots from being burned. That is, the fertilizer should be applied 30~35cm away from the planting point, or under the planting point, 35~40cm away from the topsoil, and Break the soil block on the planting site, and then pour a small amount of fully decomposed manure 3 to 5 days before planting to mix it with the soil and absorb it.

After the seedlings are arranged and transported back, they should be placed in a cool and wind-sheltered place to keep the roots moist. If the number of seedlings is large, they should be graded according to their size, and the roots and branches should be pruned appropriately while grading. Cut off the rotten roots, dry roots and residual roots before planting. Cut the rotten roots until they become white, even if the roots are good, cut off a part of it. Part of the branches that are too weak or improperly located should also be cut off. When the weather is too dry during long-distance transportation or planting, part of the leaves should be cut off appropriately to reduce water evaporation.

When planting, the roots should be straightened and straightened out, and they should be distributed evenly and slightly obliquely downwards in all directions in the planting hole. If the inverted roots occur in several layers from the straight roots, they should be straightened out from the bottom up and layered to straighten the roots. , Fill in fine soil layer by layer and compact it by hand, but don't use too much force to prevent the root system from being crushed. When the soil is half-filled, gently lift the seedlings to the soil, straighten the roots, straighten the plants, and then squash the soil with your feet, so that the soil should not be higher than the interface. Pillars should also be set up to prevent the roots from being shaken.

After watering the saplings and planting soil in time, immediately pour root water and cover the grass to moisturize. Within 5 days after planting, water once a day, 5 days later, once every other day, after 20 to 30 days, the topsoil can be gently peeled off for inspection. If new roots sprout, thin decomposed manure water can be applied once.

After planting the saplings scientifically, according to the height of the seedlings, cut them at 50-60 cm full buds, and then apply bio-oil or paint to the wound to prevent it from draining.

In order to prevent fruit tree stumps from sinking, when planting, it is necessary to determine how high the fruit piers should be based on the depth of the planting hole or trench and the amount of grass buried, so that the grafting interface of the seedlings just exposed to the ground after the sinking, which is beneficial to the fruit trees. Growth and development.

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GS-441524 FIPV CATS

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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