Replenishing granular fertilizer, timely watering and supplementing granular fertilizer is an important link to achieve high yield and yield of corn. In this period, lack of fertilizer will also affect corn yield. Only by applying good granular fertilizer can we ensure that the corn is not de-fertilized in the late stage, and the ear is large and the grain is large. The grain weight is good. Generally, the land is replenished with urea about 10 kg during the tasseling period. Immediately after fertilization, watering or fertilizing before rain, strive to complete the task of topdressing and watering in mid-August. Watering should look at the sky, watch the time, and see the grievances. In the later stage, if you encounter rain, you should pay attention to timely drainage. When the soil water holding capacity exceeds 80%, it will cause root hypoxia, leading to premature aging of the root system and lowering the grain weight. Therefore, it is also important to do well in the corn field in time.
The management of lodging corn has been raining recently, and local corn has different degrees of lodging. Because the lodging causes the lateral roots of the corn to be pulled up, the stalks have a large angle of inclination, even the ground is flat, the leaves and the ears are attached to the ground, the water is reduced slowly, the light is reduced, the photosynthetic strength is weakened, the yield is reduced, and the ripening time of the corn is prolonged.
Due to the recent softness of the rain, the corn is not easy to support. To help, it is necessary to lift the stalks within two or three days after lodging. When lifting, keep the stem and the ground at an appropriate angle, 30 ° ~ 50 ° is appropriate, help straighten, will hurt the other side of the root. If the lodging time is long, don't help it anymore. It is easy to bend the stem. For corn on the ground, turn the ear upside down, do not touch the ground, or it will rot.
Timely prevention and control of pests and diseases The late stage pests and diseases of corn are mainly aphids, large and small spot diseases, and the risk of bacterial wilt is heavier. The control of aphids with pyrethroids and organophosphorus pesticides, such as hydromethrin, chlorflurin, dimethoate, monocrotophos, etc., can also effectively control other pests. For large-scale spot disease and bacterial wilt, the main prevention is to strengthen the field of cultivating and weeding, draining after dipping, dissipating moisture and cooling, and maintaining a suitable microclimate in the field.
It is possible to control the pests and diseases, increase the light transmittance, adjust the field microclimate, promote the early maturity of the corn, and increase the yield significantly. Generally, when the corn tassels are just pulled out or the stalks are emasculated, or after flowering and pollination, the filaments begin to dry, and when the weather is fine, the tassels are all cut off, which not only improves the lodging resistance but also improves the light conditions.
Harvesting in a timely manner can ensure that corn has sufficient filling time, which is an effective measure to increase grain weight and increase production and income. The standard of maturity of maize is that the milk is lightly disappeared. The general variety should reach the standard after 45~50 days after the end of September, and the grain weight is the highest. Therefore, the corn harvest should be postponed as much as possible without affecting the timely planting of wheat. .
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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