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Influences of Petroleum-contaminated Soil on Growth of Sunflower LI Chun-rong1，WANG Wen-ke1，CAO Yu-qing 2，WANG Li-juan1(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2006年第04期
Page:
97-99
Research Field:
Publishing date:

Info

Title:
Influences of Petroleum-contaminated Soil on Growth of Sunflower LI Chun-rong1，WANG Wen-ke1，CAO Yu-qing 2，WANG Li-juan1
Author(s):
LI Chun-rong1; WANG Wen-ke1; CAO Yu-qing 2; WANG Li-juan1
1. School of Environmental Science and Engineering, Chang' an University, Xi' an 710054, Shaanxi, China; 2. School of Resources and Environment, Jilin University, Changchun, 130023, Jilin, China
Keywords:
sunflower;  petroleum contamination;  soil;  physiological process
PACS:
X503.23
DOI:
-
Abstract:
This paper used the sunflower as the sample, doing the field experiment, to study the effects of petrole- um-contaminated soil with the concentration of 10000m/kg on the sunflower in respect of its physiological process, yields, agricultural character and seed quality. The main findings are as follows: petroleum-contamina- ted soil affected the leaves index of sunflower seriously from budding stage to blossom stage, the period of blos- som and cropping stage; sunflower-plate diameter, stalk diameter, plant height, leaves number, one hundred- grain weight, biomass reduced 10.7%, 7.4%,7.2%, 10.0%, 16.7%and 21% respectively; empty-grain rate had been increased 2.4 times; there was no obvious difference of the restraints to the roots and the part over- earth; the effect on emergence,fat and protein contents in seeds was not seriously under such contamination con- centration; the rate of S. Sclertiorum and branching had increased slightly.

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Last Update: 2006-12-20