Method for improving photosynthetic characteristics of wheat

A technology of photosynthetic characteristics and wheat, applied in fertilization methods, botanical equipment and methods, horticulture, etc., can solve the problems of failure to increase wheat yield, waste of fertilizer and water resources, and insufficient effect, so as to be conducive to green growth , increase the ground temperature, improve the effect of photosynthetic characteristics

Inactive Publication Date: 2017-07-07
HENAN INST OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to provide a kind of method that improves the photosynthetic characteristic of wheat, to solve the above-mentioned background technology proposed in the prior art, t

Method used

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  • Method for improving photosynthetic characteristics of wheat

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Embodiment 1

[0019] see figure 1 , The present invention provides a technical scheme: a method for improving the photosynthetic characteristics of wheat, and the method for improving the photosynthetic characteristics of wheat comprises the following steps:

[0020] S1: Applying base fertilizer: Before sowing wheat, apply base fertilizer to the land. The base fertilizer includes diammonium phosphate, potassium phosphate and nitrogen fertilizer. Mix diammonium phosphate, potassium phosphate and nitrogen fertilizer evenly, and apply it through a fertilizer applicator at one time. The depth of fertilization is 10 cm, the amount of diammonium phosphate is 140 kg per hectare, the amount of potassium phosphate is 130 kg per hectare, and the amount of nitrogen fertilizer is 100 kg per hectare;

[0021] S2: Sowing: Planting in double rows of ridges on both sides of the furrow, the row spacing is 0.2 meters, the seeding rate is 130 kg per hectare, and then the wheat is sown manually, and the sowing...

Embodiment 2

[0026] A method for improving photosynthetic characteristics of wheat, the method for improving photosynthetic characteristics of wheat comprises the following steps:

[0027] S1: Applying base fertilizer: Before sowing wheat, apply base fertilizer to the land. The base fertilizer includes diammonium phosphate, potassium phosphate and nitrogen fertilizer. Mix diammonium phosphate, potassium phosphate and nitrogen fertilizer evenly, and apply it through a fertilizer applicator at one time. The depth of fertilization is 20 cm, the amount of diammonium phosphate is 160 kg per hectare, the amount of potassium phosphate is 170 kg per hectare, and the amount of nitrogen fertilizer is 110 kg per hectare;

[0028] S2: Sowing: Planting in double rows of ridges on both sides of the furrow, the row spacing is 0.4 meters, the seeding rate is 160 kg per hectare, and then the wheat is sown manually, and the sowing depth of wheat is 6 cm;

[0029] S3: Irrigation: At the jointing stage of whe...

Embodiment 3

[0033] A method for improving photosynthetic characteristics of wheat, the method for improving photosynthetic characteristics of wheat comprises the following steps:

[0034] S1: Applying base fertilizer: Before sowing wheat, apply base fertilizer to the land. The base fertilizer includes diammonium phosphate, potassium phosphate and nitrogen fertilizer. Mix diammonium phosphate, potassium phosphate and nitrogen fertilizer evenly, and apply it through a fertilizer applicator at one time. The depth of fertilization is 15 cm, the amount of diammonium phosphate is 150 kg per hectare, the amount of potassium phosphate is 150 kg per hectare, and the amount of nitrogen fertilizer is 105 kg per hectare;

[0035] S2: Sowing: Planting in double rows of ridges on both sides of the furrow, the row spacing is 0.3 meters, the seeding rate is 150 kg per hectare, and then the wheat is sown manually, and the sowing depth of wheat is 5 cm;

[0036] S3: Irrigation: At the jointing stage of whe...

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Abstract

The invention discloses a method for improving photosynthetic characteristics of wheat. The method comprises the following steps: S1: applying base fertilizers; S2: sowing; S3: pouring water; S4: topdressing; S5: re-pouring water. The method comprises the following steps: firstly, utilizing ridge sowing technology to sow wheat such that ridges can prevent wind and shield snow so that ground temperature is increased and soil moisture conservation is improved; adding soil moisture after snow in Spring thaws, which is good for green-returning and growth; topdressing nitrogen fertilizers in the jointing period of wheat so that freeze injury due to overgrowth at the initial stage is avoided and loss of nutrition is prevented as well as requirements for flowing at the later period and nutrition in a grouting period are met. Meanwhile, reduction in effective leaves, content of chlorophyll and photosynthetic rate in the later period of wheat slows down. Nitrogenous fertilizers are uniformly applied in furrows and easily absorbed and utilized. Therefore, utilization rate of fertilizers is high. Due to the small contact area between fertilizers and soil, nutrient elements are fixed at the lower degree with effective time longer than broadcast application.

Description

technical field [0001] The invention relates to the technical field of wheat planting, in particular to a method for improving the photosynthetic characteristics of wheat. Background technique [0002] Water scarcity is a major factor limiting crop productivity in farmland ecosystems in arid and semi-arid regions. Wheat is one of the important food crops in semi-arid regions. Under the condition of limited available water, minimizing water consumption and improving water use efficiency is the fundamental way to achieve high yield and efficient water use of wheat crops. Therefore, regulating plant drought-resistance and water-saving physiology to improve crop yield and water use efficiency has become a hotspot and difficulty in plant water-saving physiology and agricultural production in arid regions in recent years. Plant photosynthesis is the basis for the formation and evolution of ecosystem productivity, as well as crops The basis of production, so photosynthetic charact...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C21/00
CPCA01C21/005A01G22/00Y02P60/21
Inventor 丁位华茹振钢孙海丽姜小苓董娜冯素伟王丹李婷婷杨艳艳
Owner HENAN INST OF SCI & TECH
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