Teach you how to grow spring corn
After the beginning of Spring, some farmers’ friends have to consider how to plant spring corn. What measures should be taken to plant spring corn:
The first is to choose good varieties: spring corn should choose a growth period of more than 112 days, developed roots, compact plant type, leaf rushing, strong growth, strong resistance, single ear, large grain type, such as the Agricultural University 108, Shen test 29, Tang Kang 8 and so on. Seeds should be selected before sowing, and seeds of small grains, diseased grains, and glutinous grains should be removed and incubated for 2-3 days. This can enhance the water absorption capacity of the seeds, early emergence, improve seed purity, reduce seedlings, and improve seedling uniformity.
The second is to promote seed coating: seeds without coating, use 50 grams of nails to ring, add a "must more than" mix 20 kg of corn, so as to achieve the effect of prevention and control of underground pests and early emergence.
The third is to choose the best sowing period: spring corn requires squatting in early May, spring and white through autumn ploughing, after winter irrigation, early spring should be rolled and protected, high-yield fields can be properly broadcasted in the case of lyrics, time is May 5 Day - 15th. The general field broadcast period is from April 25th to May 5th.
The fourth is to increase the application of fertilizer: to increase the application of phosphorus, potassium fertilizer, adjust the proportion of NPK. The yield of 1200 kg of corn per mu can be 20 kg of diammonium, 25 kg of urea and 15 kg of potassium sulfate to achieve full fertilization. The ratio of NPK is 1:0.7:0.5.
The fifth is to master the planting form and density: spring sowing corn advocates equal line spacing, Agricultural University 108, Shen test 29, Tang Kang 8 line spacing is 1.8 feet, plant spacing 0.95 feet, 3500 seedlings per acre. The row spacing of high oil 115 is 2 feet, the plant spacing is 1 foot, and there are 3,000 seedlings per acre.
Finally, talk about seeding technology: villages with conditions should promote machine or double seeding, the amount of sowing is 2 kg per mu, pay attention to seed and fertilizer separation, and put the fertilizer in the place of 3-4 cm below the seed to prevent burning At the same time, it can also promote the roots of the seeds. If there are no conditions, you can use a small scorpion to ditch and manually seed the seed, and the sowing amount is 2.5-3 kg per mu.
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