Wheat seeding is a high-yielding, high-yield, low-consumption and high-yielding cultivation technology. It is a new technology that reduces seeding rate, reduces basic seedlings, and depends on tillering to spike to increase yield. In general, the basic seedlings per acre are in the range of 80,000 to 120,000, and the number of mu spikes is 350,000 to 450,000. The total number of stems per mu (including the main stem) is 1.2 to 1.5 times the number of mu. In order to achieve a reasonable structure of the wheat population, individual growth is robust, the root system is developed, and high yields are achieved with tillers and panicles, large grains, and grain satiation. If the blind application of this technology, may result in reduced production, the implementation of wheat precision broadcast must have the following four basic conditions.
First, the soil must be fertile The wheat field must be based on high soil fertility to implement fine sowing. Generally speaking, soil organic matter and available nutrient content are more abundant, and the yield per mu is above 350 kg. Infertile soils and low-yielding wheat fields have low soil nutrient content, poor wheat growth potential and low tillering, and are not suitable for precision seeding techniques.
Second, base fertilizer must be sufficient base fertilizer to organic fertilizer, supplemented by chemical fertilizers. General Mushi quality organic fertilizer 2000 ~ 3000 kg, standard nitrogen fertilizer 25 ~ 30 kg, standard phosphate fertilizer 50 ~ 60 kg, potassium soil and high yield fields Mushi 50% potassium sulfate or 60% potassium chloride 8 ~ 12 kg, to ensure wheat The need for growth, delivery, and development of nutrients.
Third, the variety must be selected for compaction of the road wheat should be compact, leaf punching, strong ability to tiller, spike rate, single plant productivity, disease resistance, lodging resistance, good yellowing dwarf or medium height Variety is appropriate. It is not appropriate to choose varieties with poor tillering ability and low spike rate.
Fourth, sowing must be timely average daily temperature 18 °C ~ 16 °C sow winter varieties, 16 °C ~ 14 °C sowing semi-winter varieties. Accumulated temperature before winter 550 °C ~ 650 °C. Generally winter varieties are sown on October 1-15, and the semi-winter varieties are sown on October 5-15. The sowing rate of 5-6 kilograms per acre can reach 100,000 to 120,000 acres of basic seedlings. It is not appropriate to apply precision seeding technology after the appropriate period.
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