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Effect of Eight Kinds of Drought-resistant Materials Combination on Drought Resistance of Pinus tabulaeformis in Dry Mining Area(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年09期
Page:
63-66
Research Field:
Publishing date:

Info

Title:
Effect of Eight Kinds of Drought-resistant Materials Combination on Drought Resistance of Pinus tabulaeformis in Dry Mining Area
Author(s):
TU Yong-cheng1; 2; PEI Zong-ping1; 2; ZHOU Jiang3; YU Li-lin1; 2; KONG Jing1; 2
1.Jiangsu Key Laboratory of Resources and Environmental Information Engineering,Xuzhou,Jiangsu 221116；
2.School of Environmental and Spatial Informatics,China University of Mining and Technology,Xuzhou,Jiangsu 221116；
3.Guiyang Institute of Ecological Environmental Science,Guiyang,Guizhou 550007
Keywords:
dry mining area; Pinus tabulaeformis; drought-resistant materials combination; drought-resistant effects
PACS:
Q 945.78；S 791.254
DOI:
-
Abstract:
Taking 50~80 cm height of Pinus tabulaeformis seedling as material，water retention agent (1#),water retention agent+organic fertilizer(2#),water retention agent+GGR (3#),water retention agent+organic fertilizer+GGR (4#),water retention agent+mycorrhizal (5#),water retention agent+organic fertilizer+mycorrhizal (6#),water retention agent+GGR+mycorrhizal (7#),water retention agent+organic fertilizer+GGR+mycorrhizal (8#)，formed by water retention agent,plant growth regulator GGR,mycorrhizal agent and organic materials were selected to the field planting experiment in coal gangue mountain of Shanxi Datong,the effect of 8 kinds of different drought-resistant technologies combination on soil moisture content,leaf relative water content,leaf water saturation deficit,chlorophyll content,relative electrical conductivity,the survival rate of Pinus tabulaeformis and the plant height increment regularly were determined and studied.The results showed that compared with CK,the combinations could make the survival and plant height growth of Pinus tabulaeformis obviously improved;under the condition of water controled,soil moisture content,leaf relative water content and chlorophyll content had been obviously improved and leaf water saturation deficit and leaf relative electrical conductivity also reduced in different degree.To some extent,they all showed the effect of drought resistance.Among them,water retention agent+organic fertilizer+GGR+mycorrhizal (8#) had the best effect of drought resistance,water retention agent+organic fertilizer (2#) combination was the secend.

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Last Update: 2014-08-13