A wheat growth form model establishing method and device

A morphological model and growth model technology, applied in the field of virtual agriculture, can solve problems such as ignoring the functional process, and achieve the effect of strong mechanism and versatility, reliability and practicability

Active Publication Date: 2019-05-28
AGRI INFORMATION INST OF CAS
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Problems solved by technology

At present, no matter the wheat growth model or the wheat morphological structure model, the two only focus on function or structure respectively. The wheat growth model simplifies the structural and morphological characteristics, while the morphological structure model often i...

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  • A wheat growth form model establishing method and device
  • A wheat growth form model establishing method and device
  • A wheat growth form model establishing method and device

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example 1

[0166] Example 1: The test was carried out at the Wuqing Experimental Base of the Tianjin Academy of Agricultural Sciences from October 2015 to June 2016. The variety test was carried out and the seeds were sown on October 15, 2015. The tested varieties were Hengguan 35 (Hg), Hengguan 4399(H) and Jimai 22(Jm), designed to repeat 3 times. The soil for the test is a heavy loamy fluvo-aquic soil. The basic physical and chemical properties of the plow layer soil (0-20cm) at the beginning of the test are: ammonium nitrogen 9.2mg / kg, nitrate nitrogen 37.5mg / kg, available phosphorus 25.8mg / kg, Available potassium 426.8mg / kg, pH value 8.66. The fertilization conditions are: urea contains N 46%, superphosphate contains P 2 o 5 12%, Potassium Chloride Containing K 2 O 60%, all superphosphate and potassium chloride are applied at the bottom, 50% of urea is applied at the bottom, and 50% is topdressed at the turning green stage; the amount of N fertilization is 225kg / hm 2 , P 2 o 5...

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Abstract

The invention provides a method and a device for establishing a wheat growth form model. The method is used for establishing a wheat growth form model in combination with a wheat growth model. The method comprises the steps of according to meteorological parameters in a wheat growth model, dry matter weight of the wheat organs and morphological characteristic relationship between the two and the wheat organs establishing a morphological characteristic parameter model, obtaining field test data including meteorological data, wheat organ characteristic data and wheat organ dry matter weight data, fitting to obtain numerical values of model parameters in the morphological characteristic parameter model according to the field test data and the morphological characteristic parameter model, anddetermining a wheat growth morphological model. According to the wheat growth morphological model and the parameterized geometric modeling method, the wheat growth model is constructed through biomass, the constructed model is higher in mechanology and universality, and the constructed geometric parameter model of wheat leaves, leaf sheaths and stems is better in reliability and practicability. The wheat growth morphological model and the parameterized geometric modeling method are used for constructing the wheat leaf, leaf sheath and stem geometric parameter model.

Description

technical field [0001] The invention relates to the field of virtual agriculture, in particular to a method and device for establishing a wheat growth shape model. Background technique [0002] As digital agriculture has become an important technical support for the development of modern agriculture. Digital agriculture plays an important role in improving agricultural production efficiency, improving the quality of agricultural products, and protecting the agricultural environment. Among them, the agricultural model is the basis of digital agriculture and occupies an important position in digital agriculture. At present, no matter the wheat growth model or the wheat morphological structure model, the two only focus on function or structure respectively. The wheat growth model simplifies the structural and morphological characteristics, while the morphological structure model often ignores the functional process and only shows an example. The structure of wheat, in the prio...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06Q50/02
CPCY02A90/10
Inventor 李世娟张红英诸叶平刘升平孙开梦鄂越刘海龙
Owner AGRI INFORMATION INST OF CAS
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