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Journal of Integrative Agriculture  2012, Vol. 12 Issue (7): 1199-1206    DOI: 10.1016/S1671-2927(00)8647
SOIL & FERTILIZER · AGRI-ECOLOGY & ENVIRONMENT Advanced Online Publication | Current Issue | Archive | Adv Search |
Effect of Planting Density and Fertilizer Application on Fiber Yield of Ramie (Boehmeria nivea)
 LIU Li-jun, CHEN He-quan, DAI Xiao-bing, WANG Hui,  PENG Ding-xiang
Key Laboratory of Huazhong Crop Physiology, Ecology and Production, Ministry of Agriculture/Huazhong Agricultural University,Wuhan 430070, P.R.China
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摘要  As the most important cultural practices for ramie (Boehmeria nivea) production, the single effects of plant density and nitrogen (N), phosphorus (P), potassium (K) fertilization on yield are well documented. To achieve the high yield and quality of ramie fiber, it is principal to quantify the fertilizer dosage for ramie sustainable production. A central composite design (CCD) was adopted with three replications, for a two-year field experiment (2008-2009) in the Yangtze River Valley of China. The aim was to evaluate both the individual and combined effects of plant density and N, P, and K fertilization on yield and fiber quality. The effects of the four factors on yield and quality of ramie cultivar Huazhu 4 were tested. Then mathematical models of the relationship among the four factors affecting ramie production and quality were established and analyzed to optimize the four factors, and used to establish optimum cultivation methods for the elite cultivar suitable to this area of the Yangtze River Valley. Supplements of N (X2), P (X3) and K (X4), and the density (X1) with N (X2) interaction significantly influenced strength in tests of mature ramie. The influence on fiber yield in the two year tests by the four factors ranked as follows: X3>X4>X1>X2. We established the optimization technique attaining yield of 2600 kg ha-1 in the tests as following: density of 28 350-31 650 plants ha-1, and supplements of N, P and K of 363-387, 98.58-105.48 and 280.20- 319.8 kg ha-1, respectively. It was concluded that nitrogen mostly improved plant growth and fiber yield while potassium had discernible effects on fiber quality.

Abstract  As the most important cultural practices for ramie (Boehmeria nivea) production, the single effects of plant density and nitrogen (N), phosphorus (P), potassium (K) fertilization on yield are well documented. To achieve the high yield and quality of ramie fiber, it is principal to quantify the fertilizer dosage for ramie sustainable production. A central composite design (CCD) was adopted with three replications, for a two-year field experiment (2008-2009) in the Yangtze River Valley of China. The aim was to evaluate both the individual and combined effects of plant density and N, P, and K fertilization on yield and fiber quality. The effects of the four factors on yield and quality of ramie cultivar Huazhu 4 were tested. Then mathematical models of the relationship among the four factors affecting ramie production and quality were established and analyzed to optimize the four factors, and used to establish optimum cultivation methods for the elite cultivar suitable to this area of the Yangtze River Valley. Supplements of N (X2), P (X3) and K (X4), and the density (X1) with N (X2) interaction significantly influenced strength in tests of mature ramie. The influence on fiber yield in the two year tests by the four factors ranked as follows: X3>X4>X1>X2. We established the optimization technique attaining yield of 2600 kg ha-1 in the tests as following: density of 28 350-31 650 plants ha-1, and supplements of N, P and K of 363-387, 98.58-105.48 and 280.20- 319.8 kg ha-1, respectively. It was concluded that nitrogen mostly improved plant growth and fiber yield while potassium had discernible effects on fiber quality.
Keywords:  ramie      central composite design      fiber yield      simulative optimization  
Accepted:
Fund: 

This research was supported by a grant from the National Natural Science Foundation of China (31000731) and China Agriculture Research System (CARS-19-E12).

Corresponding Authors:  PENG Ding-xiang, Tel/Fax: +86-27-87287136, E-mail: pdxiang@mail.hzau.edu.cn     E-mail:  pdxiang@mail.hzau.edu.cn
About author:  LIU Li-jun, Tel/Fax: +86-27-87287136, E-mail: liulijun@mail.hzau.edu.cn;

Cite this article: 

LIU Li-jun, CHEN He-quan, DAI Xiao-bing, WANG Hui, PENG Ding-xiang. 2012. Effect of Planting Density and Fertilizer Application on Fiber Yield of Ramie (Boehmeria nivea). Journal of Integrative Agriculture, 12(7): 1199-1206.

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