MA Shou-chun, ZHANG Min. Leaf Quantity Estimation on Small Twigs of Taxus wallichiana with Grey System Theory[J]. Journal of Southwest Forestry University, 2005, 25(3): 47-49. DOI: 10.11929/j.issn.2095-1914.2005.03.012
Citation: MA Shou-chun, ZHANG Min. Leaf Quantity Estimation on Small Twigs of Taxus wallichiana with Grey System Theory[J]. Journal of Southwest Forestry University, 2005, 25(3): 47-49. DOI: 10.11929/j.issn.2095-1914.2005.03.012
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Leaf Quantity Estimation on Small Twigs of Taxus wallichiana with Grey System Theory

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  • According to the average weight of air-dried leaves on small twigs of 28 sampled Taxus wallichiana trees with 6~18 cm in diametera grey dynamic model between tree diameters and leaf quantities on small twigs of Taxus wallichiana was set up with grey system theory.∧x(K+1)(1)=86.196 201e0.174 198k-76.596 201 It was showed by verification tests that the estimation accuracy of the model reached first grade of credibility.It would be applicable to estimate the leaf quantities on small twigs of Taxus wallichiana by this model in a more scientific and accurate way in the future.
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