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Web URL(s):http://en.cnki.com.cn/Article_en/CJFDTOTAL-CYXB200902003.htm
    Last checked: 10/09/2019
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Author(s):Liu, Wen-hui; Zhou, Qing-ping; Yan, Hong-bo; Liang, Guo-ling
Author Affiliation:Qinghai Academy of Animal Science and Veterinary Medicine, Xining, China
Title:Study on dynamics of aboveground biomass of Poa pratensis var. anceps Gaud. cv. Qinghai
Source:[Caoye Xuebao] [Acta Prataculturae Sinica]. Vol. 18, No. 2, April 20 2009, p. 18-24.
# of Pages:7
Publishing Information:[Lanzhou Shi, China]: ["Cao Ye Xue Bao" Bian Ji Wei Yuan Hui]
Related Web URL:http://cyxb.lzu.edu.cn/CN/abstract/abstract2690.shtml
    Last checked: 10/22/2015
    Notes: Abstract only
Abstract/Contents:"The accumulation dynamics of aboveground biomass of second year Poa pratensis var. anceps. Gaud. cv. Qinghai was studied to understand the regulation of aboveground biomass accumulation in Alpine Regions of Qinghai province. The accumulation of stem (S), leaf (L), ear (E) and above ground biomass (Ba) of Poa all fitted to monofactorial cubic equations: Ŝ=21.04-2.12d-0.00062d3, ^D^L=2.71+0.55d+0.031d2-0.00022d3, Ê=3.17-1.27d+0.070d2-0.00051d3, ^D^Ba=26.92-2.84d+0.20d2-0.014d3 respectively. From greening up to mid May, the Poa are in a nutritional growth period with tiller number, leaf area and leaf number increasing rapidly. Mid May to mid June, the speed of above ground biomass accumulation of the Poa reached a climax with the highest stem, leaf, ear and above ground biomass of 6.836, 2.611, 2.409 and 11.876 g/(m2·d) respectively, and a stem/leaf ratio of 1:1.61. Stem, leaf and above ground biomass of the Poa reached the maxima of 220.3, 151.7 and 406.1 g/m2 respectively in mid July while ear accumulation reached a maximum of 92.3 gm/m2 in mid June. The relationship between total aboveground biomass (Ba) and plant height (H), leaf areas (LA), and stem number (NT) can be represented by the equation ^D^Ba=-4.44+6.44H-58.88LA-0.065NT+ 0.029NL Plant height had the greatest direct effect on aboveground biomass accumulation while LA, NT, NL influenced aboveground biomass accumulation indirectly by affecting H."
Language:Chinese
References:32
Note:Abstract also appears in English
"Sum No. 79"
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Liu, W.-h., Q.-p. Zhou, H.-b. Yan, and G.-l. Liang. 2009. Study on dynamics of aboveground biomass of Poa pratensis var. anceps Gaud. cv. Qinghai. (In Chinese) [Caoye Xuebao] [Acta Prataculturae Sinica]. 18(2):p. 18-24.
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http://en.cnki.com.cn/Article_en/CJFDTOTAL-CYXB200902003.htm
    Last checked: 10/09/2019
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    Access conditions: Item is within a limited-access website
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