Determining method of light compensation utilization of phalaris arundinacea in reed and phalaris arundinacea community
A determination method and a technology for thorn grass, applied in the field of efficient utilization of light resources in the vertical distribution of plants
Inactive Publication Date: 2016-07-20
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Problems solved by technology
The invention discloses a determining method of light compensation utilization of phalaris arundinacea in a reed and phalaris arundinacea community and belongs to the field of efficient utilization of light resources in vertical distribution of plants. The method comprises the following steps that phalaris arundinacea under reed canopies in the active growth stage in the reed and phalaris arundinacea community is selected, an artificial light source is utilized for carrying out light response curve fitting on phalaris arundinacea blades, illumination intensity of a surface layer and illumination intensity of the periphery of phalaris arundinacea in a no-shelter environment are tested respectively, according to a light response curve of phalaris arundinacea, the net photosynthetic rate possessed by phalaris arundinacea under the two kinds of illumination intensity and the ratio of the two kinds of illumination intensity are calculated, accordingly, the light compensation utilization rate of phalaris arundinacea under the reed canopies is estimated, and then the suitable density of reeds in the reed and phalaris arundinacea community can be determined. The method is simple and easy to implement, data is accurate and stable, and the method can be used for determining light compensation utilization of plants under canopies in the community with the vertical distribution feature.
Plant cultivationCultivating equipments
Artificial lightCurve fitting +7
- Experimental program(2)
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