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- W2378697802 abstract "The measurement method for ground-based fruiter biomass of gauva is studied by combining the direct and virtual plant techniques.Firstly,a real guava fruiter with 274 leaves and 228 branch segments was selected and its leaves and branch segments were encoded.Secondly,the coordinates of the guava′s leaves and branches were obtained by 3D digitalizer and a virtual guava model with a virtual direct beam environment was built by VC++ with OpenGL.Meanwhile,the guava′s leaf parameters and branch segment parameters such as length,diameter,wet weight and dry weight were measured by direct methods.Hereinto,a kind of useful leaf area process method was outlined for dealing area detection with different sides and holes.Using a kind of shadowing method,virtual guava could be shadowed in different horizontal height or in different vertical width.And its shaded area,total biomass and so forth in different layers were calculated by integrating real guava′s parameters.After regression analysis using SPSS,for the real guava the R2 between total leaf area and leaf dry weight is beyond 0.988 6 with the near regression formula between the direct and virtual plant methods.The R2 between total leaf dry weight and branch dry weight is 0.894 1,the R2 between branch diameter and leaf dry weight is 0.80,the R2 between branch D2H(diameter′s square multiplies height) and leaf dry weight is 0.974 7.And in the virtual fruiter,the R2 between leaf area and leaf dry weight is beyond 0.946 5,which proves the relation in the real tree.fruiter;biomass;guava fruiter;virtual plant;LAI" @default.
- W2378697802 created "2016-06-24" @default.
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- W2378697802 date "2007-01-01" @default.
- W2378697802 modified "2023-09-24" @default.
- W2378697802 title "Indirect testing method of fruiter biomass" @default.
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