Management of corn in middle and late corn fields

1, a reasonable carrier fertilizer: generally in the bell mouth acres of urea 10-15 kg or 25 kg of corn formula fertilizer. In combination with cultivating and weeding, the roots are planted to resist lodging, and the conditional villages and towns are watered in time according to the flooding conditions.

2. Integrated pest control: When corn borer has 10% strains in the heart and leaves, mix it with 50% phoxim EC 1kg and 50kg fine sand and mix 1% phoxim granules in the leaves. Prevention and control, 500 kilograms per kilogram can be controlled; when the red spider has a strain rate of 5%, mu Ling grams or large killing 15 ml, watering 15 kg spray prevention and treatment; corn field bollworm, according to the pest situation 400-fold droplets of female pyrethroids were used for control. The brown spot was found to be timely sprayed with 70% mancozeb 600 times spray.

3, science to cast male: Vigorously promote the corn emaphoresis technique, when the tassel is just exposed when the tip is removed, when emasculation is prohibited with leaves.

4, according to the time, delayed harvest: corn yellow leaves delayed after 7-10 days of harvest, can increase corn production 5-10%.