Corn and wheat are the two main food crops in our county. The annual planting area is about 2.4 million mu. It is scientifically utilizing light and heat resources, saving water resources, further digging water and yielding two crops of corn and wheat, and increasing the potential for wheat. The main content of the "two nights" increased production of water-saving technology. The project is simple and technical, and does not need to increase production costs. By extending the corn harvest period and adjusting the sowing amount of wheat during the sowing period, it can greatly increase corn yield and realize wheat water saving.
1. Corn is harvested in due course. At present, the corn harvest period in our county is early, generally around September 20, and at this time the corn is in the wax maturity period, and has not yet reached maturity. The so-called perfect is the full maturity of the corn, judging criteria: First, the corn stalk leaves turn white, the sorghum leaves are loose; second, the milk line disappears, the corn ears are cut off, you can see a yellow-white boundary line in the middle of the grain, this is The milk line has a milk line for the wax maturity period and no milk line for the ripening period. The third is to look at the black layer and remove the peduncle at the bottom of the corn kernel. If a layer of black is visible, the black layer indicates that the corn is fully mature. Studies have shown that: General maturing varieties, to complete the ripening of dough, take 10 to 15 days, for each additional day, increased thousand kernel weight 3-4 g, 6-8 kg Muzeng, late harvest 7 days, mu yield 35 kg the above. Therefore, it should be harvested in due course, giving full play to the potential of corn to increase production and reducing unnecessary production.
2, timely late sowing wheat. Timely late sowing, seedling age before winter small, can reduce upfront fertilizer consumption, to prevent flourishing before winter, winter damage, but also to create the conditions in order to avoid pouring water winter, the best semi-winter wheat sowing for the October 5 to 15 day, acres of seeding rate 8-9 kg, after suitable sowing broadcast one day per 1 kg increase in seeding rate, so as to cultivate seedlings before winter and the next harvest has laid a solid foundation.
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