How to plant a good summer valley

The use of early-maturing and high-yield varieties of summer grain should be selected from early maturing varieties with good yield and strong resistance, such as Xiagu dwarfs, etc., which are short (about 75 cm), stem diameter, lodging resistance, leaf blade punching, and strong disease resistance. The output is high, with an average of 450 kilograms per 667 square meters.
Suitable for early sowing in summer valley sowing should be appropriate early sowing, Shandong, Henan and other places sowing period from June 3 to June 15, per 667 square meters sowing rate of 0.5 ~ 0.65 kg. The sowing method can be selected according to local habits such as seeding or sowing, but it must be ensured that the next species is uniform and consistent in depth and depth, and that the seeds have proper moisture to facilitate seed germination.
The dense planting of the Xiagu dwarf is a compact variety. In a land with good water and fertilizer conditions, a density of about 85,000 plants per 667 square meters can be used. For example sowing can be used with a spacing of 33 cm, a spacing of 2.3 cm and a density of about 86,000. A large row spacing of 33 centimeters, a small row spacing of 16.5 centimeters, a spacing of 3.2 centimeters, and a density of about 84,000 plants can also be used.
In the early morning, when the seedlings are 4-6 cm high, they are sparsely seedlings. When the seedling height is about 9 cm, the seedlings will be planted at the planned density, combined with cultivating and weeding.
As early as top-fat watering, topdressing 25 kg of urea per 667 m2 during the jointing period, top-dressing with cultivator watering once, and watering once before heading.
Early prevention and control of pests and diseases Before each sowing, 0.5 kg of Phosphorus per 667 square meters of soya sauce is mixed with the fried bran and plowed with the soil and applied to the soil to prevent underground pests such as cockroaches and cockroaches. 500 times methamidophos solution was sprayed at the seedling stage and middle and later stages to control various pests such as armyworm and borers.
Early harvest is generally better at the end of wax ripening or early maturing.

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