Corn field management points during jointing

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During the jointing period, especially during the big bellmouth period, there should be no shortage of water. To reach the surface, we must not see wetness. We must meet the needs of the jointing period of corn, and the water holding capacity in the field should be kept above 70%. The combination of fertilizing and attacking panicle fertilizer while watering. The big bell-mouth period is the key period for becoming a spike, and the top-dressing amount should account for 40% to 50% of the total nitrogen. Mushi urea 12 kg, when fertilizing, depending on the day, look at the fields, look at the crops. Applying the rain to the rain or applying watering can increase the fertilizer efficiency. The specific method is to apply fertilizer in the middle of the plant with top-dressing machines or artificial grits. Deep into the soil, to increase the number of tapping, topdressing after watering, we must promptly carry out deep plough weeds. During the jointing stage, combined with fertilization and watering, the plants can be ploughed and soiled in a timely manner to achieve a variety of effects such as weeding, keeping fertilizers moisturized, and promoting root defense, thus ensuring a good harvest.
In the jointing stage of corn, corn borers, aphids, red spiders, and armyworms are mainly controlled.

1, control corn borer: with zinc phosphorus granules and fine sand, mixed into 1:50 poisonous soil, in the small bell mouth period, big bell mouth period and tasseling period 3 times per plant perfusion, the effect is better, Can also be used 3911, zinc phosphorus phosphorus mixed with heart filling.

2, control of locusts, spider mites: use Ke Ling Ling, Darling, locust net and other pesticides for prevention and treatment.

3, control of armyworm: can use 40% dimethoate EC 1500 ~ 2000 times spraying heart.

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