Late winter sowing wheat increase production technology

In recent days, continuous raining in most areas of our province, rice harvest delays, leading to widespread delay in the sowing of wheat. The delayed sowing of wheat affects the yield. In the past, the late sowing wheat yield in our province was very low. If proper cultivation methods can be applied, the yield of late sowing wheat can reach 350-400 kilograms. This article describes the techniques for increasing the yield of late-sowing wheat single-leverage cultivation: that is, to plant the basic seedlings at a rate of 250,000 to 300,000 yuan per mu, and the peak seedlings are controlled at about 700,000, and the number of single plants per plant is about 1-1.2, which basically does not promote effective returning to the green period. The occurrence of childbirth maintains stable wheat seedlings and yellowing before jointing. After jointing, the fertilization strategy with large spikes was applied to protect the panicles with spikelets and spikes with spikelets.

1. Wheat varieties

Recommend Yangmai 20, Sumai 188, Huamai 5 and other varieties

2. Seeding method

The tillage will delay the sowing date and paddy fields can be used for no-tillage cultivation. After the rice is cut, it is sown and sowed. After sowing, the ditch is used to open the ditch to cover the seeds. Or in the paddy field plunging sowing and interplanting, after cutting the rice with a trencher to ditch the soil and remove the seedlings, the sowing volume is increased by about 20% compared to the plan.

3. Seeding rate

The sowing rate per acre for a single culm cultivation method is about 15 kilograms.

4. Fertilization

About 8-10 kilograms of nitrogen is applied per acre. The ratio of base fertilizer to panicle fertilizer is 3:7. A small amount of fast-acting nitrogen fertilizer was used to stabilize the growth of the main stem during the seedling stage and tillering stage, both for a certain amount of growth without vigorous occurrence of tillering; after the jointing, the stamen differentiation of the large ear, meiosis, diazotization was decided. Promote big spikes. Specific fertilization methods: 15 kg of compound fertilizer (15:15:15) before sowing, 30 kg of compound fertilizer in the inverted three-leaf period (late February and early March), and application of urea on sword blade tip (from mid-March to end of March) 4 kg.

5. Moisture management

After the sowing, the field outside trench is opened. Open a trench about every 3 meters, about 20 centimeters wide, and less than 20 centimeters deep. Immediately after emergence, immediately after emergence, dry fields outside the field should be drained and drained to a depth of 50 cm to 1 meter. dry. High-yielding fields require the groundwater level in the middle and late wheat fields to fall below 50 cm, and improving drainage conditions in wheat fields to prevent waterlogging is the primary guarantee for high wheat yield.

6. Timely chemical grass control and pest control

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