Water-saving and high-yield cultivation method for dry land wheat

A cultivation method and wheat technology, applied in fertilization methods, botanical equipment and methods, horticulture, etc., can solve the problems of defertilization, affecting the growth and development of wheat, and the utilization rate of rainwater by crops being less than 30%, and achieving the effect of increasing yield

Inactive Publication Date: 2013-11-20
QINGDAO AGRI UNIV
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AI Technical Summary

Problems solved by technology

There is relatively much rain in summer, but the rainfall is too concentrated, and there are many showers, heavy rains, and rainstorms. In hilly and mountainous areas, most of them form surface runoff and run off, and the utilization rate of rainwater by crops is less than 30%.
[0011] 1. Fertilizer needs to be applied in batches. Topdressing is limited by the rainfall after the wheat turns green. If there is no rainfall and no irrigation, the fertilizer topdressing will not be applied, which will affect the growth and development of wheat in the later stage, and the phenomenon of defertilization will occur
And topdressing fertilizer is labor-intensive and time-consuming

Method used

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Embodiment Construction

[0022] This specific embodiment adopts the following cultivation methods: fertilization—cultivation—variety selection—flat sowing—group control—using intertillage and suppression to preserve moisture and prevent drought.

[0023] The fertilization mentioned above refers to dry land with dry soil, low nutrients and poor soil structure. Water shortage in dry land is often accompanied by barren soil. Fertilization should not only meet the needs of increasing production in the current season, but also apply enough fertilizer to cultivate soil fertility. The main direction of dryland wheat is to increase tillers and spikes on the ground, to promote the development of deep roots underground, and to highlight the characteristics of early and deep fertilizer distribution. Generally, 3000-5000 kg of organic fertilizer is applied per mu, 16 kg of pure nitrogen, 12 kg of phosphorus pentoxide, about 8 kg of potassium oxide, 1 kg of zinc sulfate, and 0.5-1 kg of borax. The applied fertiliz...

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Abstract

The invention discloses a water-saving and high-yield cultivation method for dry land wheat, and relates to cultivation methods of crops. The water-saving and high-yield cultivation method for the dry land wheat comprises the following steps of fertilizing, farming, variety selecting, flat planting, group controlling and intertillage weeding and suspension of soil conservaton drought-resisting. According to the water-saving and high-yield cultivation method for the dry land wheat, downward tying probability of a root before winter is increased through early deep applying of fertilizer, root shoot ratio is increased so as to enable a root system to sufficiently absorb moisture and nutrient of soil at a deep layer, even-row flat planting is adopted to increase the dry land wheat group, strong seedlings are bred, and a reasonable group management strategy is adopted to increase the dry land wheat yield through synchronous improvement of grain number and thousand seed weight on the foundation of a large group. Risk of dressing waiting for rain in the late growth stage of wheat is reduced, and effort and labor are reduced.

Description

technical field [0001] The invention relates to a cultivation method for crops, in particular a water-saving and high-yield cultivation method for dryland wheat. Background technique [0002] The average annual precipitation in the dry farming areas of northern my country is between 250-550mm, and the rainfall in most areas is concentrated in July, August, and September, accounting for about 60%-70% of the total annual precipitation. The rainfall in winter and spring The amount only accounts for 10%-15%, and the frequency of spring drought in the northern region is quite high. There is relatively much rain in summer, but the rainfall is too concentrated, and there are many showers, heavy rains, and rainstorms. In hilly and mountainous areas, most of them form surface runoff and are lost. The utilization rate of rainwater by crops is less than 30%. In recent years, the variability of annual rainfall in northern regions has been relatively large. In addition to spring droughts...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C21/00
Inventor 刘义国林琪
Owner QINGDAO AGRI UNIV
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