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| Web URL(s): | http://manu40.magtech.com.cn/Jweb_cdxb/CN/article/downloadArticleFile.do?attachType=PDF&id=478
Last checked: 07/12/2016
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Bai, Xiao-ming;
Xiang, Fei;
Lu, Cun-hai;
Sun, Ji-xiong |
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| Author Affiliation: | Pratacultural College, Gansu Agricultural University, Ministry of Education Key Laboratory of Grassland Ecosystem, Sino-U.S. Center for Grazingland Ecosystem Sustainability, Lanzhou, Gansu Province, China |
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| Title: | Effect of N, P, and K fertilizers on the expansibility and root characteristics of tall fescue |
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| Source: | [Cao Di Sue Bao] [Acta Agrestia Sinica]. Vol. 17, No. 5, September 2009, p. 600-606. |
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| Publishing Information: | [Beijing, China]: [Zhongguo Xue Shu Qi Kan (Guang Pan Ban) Dian Zi Za Zhi She] |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Fertilizer efficacy; Fertilizer evaluation; Festuca arundinacea; NPK fertilizers; NPK ratio; Root analysis; Root growth; Root length
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| Abstract/Contents: | "In order to provide the scientific guidance for the turf fertilization in the northwestern China, the effects of N, P, and K fertilizers on the individual plant expansibility and root characteristics of tall fescue (Festuca arundinacea Schreb.) were studied through orthogonal field experiment with 3 factors and 3 levels. The results show that N was the main factor affecting the aboveground expansion of tall fescue. The plant height, coverage area, and aboveground biomass increased along with the increasing of N application amount and the number of tiller increased at the early stage and then decreased with the highest tiller number obtained at 10 gN路m-2. P was the main factor affecting underground expansion. The root length, underground biomass, root superficial area, and root volume increased along with the increased P application amount and the root expansion range increased at early stage and then decreased with the highest root expansion range obtained at 10 gP2O5路m-2. The effect ordering of 3 fertilizers on aboveground, underground and integrated expansibility of tall fescue was N> K> P, P> N> K, and N> P> K, respectively. The combination treatment of N15P15K8 (15 gN路m-2, 15 gP2O5路m-2, and 8 gK2O路m-2) was the best for aboveground expansibility. The best treatment for underground expansibility was N5P15K12 (5 gN路m-2, 15 gP2O5路m-2, and 12 gK2O路m-2). And for the comprehensive expansibility, the best treatment was N15P10K4(15 gm路m-2,10 gP2O5路m-2, and 4 gK2O路m-2)." |
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| Language: | Chinese |
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| References: | 26 |
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| Note: | Abstract also appears in English
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bai, X.-m., F. Xiang, C.-h. Lu, and J.-x. Sun. 2009. Effect of N, P, and K fertilizers on the expansibility and root characteristics of tall fescue. (In Chinese) [Cao Di Sue Bao] [Acta Agrestia Sinica]. 17(5):p. 600-606. |
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Last checked: 07/12/2016
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