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《Protection Forest Science and Technology》 2000-S1
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STUDIES ON REGENERATION METHODS SPECIES SELECTION AND COMPLETE SET OF TECHNIQUES OF FORESTATION OF CASUARINA PROTECTION FOREST IN THE COAST ZONE

ZHANG Shui-song~1 YE Gong-fu~1 XU Jun-sen~1 LIN Wu-xing~1 LIN Guang~1 TAN Fang-lin~1 FU Zhong-hua~1 LI gong-lin~2 CHEN Sheng~2 HUANG Rong-qin~2 GAO Mei-ling~3 ZENG Guo-qiang~3 (1.Fujian Academy of Forestry,Fuzhou 350012,Fujian,China;2.Chishan Forest Farm of Dongshan County;3.Chihu Forest Farm of Huian County)  
In this paper,thorough,systematic researches in 3 difficult problems-regeneration methods and species selection of the trunk shelterbelts of Casuarina in wind gaps of coast,transformation methods and spe- cies selection of the Ⅲ and Ⅳ classes of Casuarina shelterbelts in inside of shelterbelts of poor site quality types,and regeneration techniques by belt-changing on the arid sandy soil in the forward position of trunk shelterbelts at wind gaps of the coast were conducted.In aspect of regeneration of the trunk shelerbelts of Cas- uarina at wind gaps of coast,were presented methods for the different types of shelterbelts,such,regeneration under strip system in tracts of shelterbelts,regeneration of lower-effective shelterbelst by interplanting after preregeneration,and regeneration of sparse shelterbelts by interplanting,etc,and for regeneration were provided proper planting species:Acacia crassicarpa,A.aulacocarpa,Eucalyptus 12 ABL,slash pine and superior clones 9201,Dongl,Yue 701;besides,were developed the drought-resistant planting techniques-land preparation by decp digging,putting proper soil from other place,applying phosphate fertilizer,planting in rainy days of spring,dressing with mud in the soil and deep planting with great container seedings.Dus to use of regeneration techniques the survival rate of forestation was above 90%,and the crown was closed within 3 years.In aspect of the techniques of transformation of Ⅲ and Ⅳ class shelterbelts,the study put forward:1.changing of forestation species by using the following-lobololly pine,E.urophylla,Acacia crassicarpa,slash pine and superior clones of Casuarina 9201,Yue 501,Yue 701 instead of the local seedings of Casuarina;2.transformation method— renewedly planting with above species after cutting the formers.In aspect of research on techniques of regenera- tion by belt changing in arid sandy soil of forward position of the trunk shelterbelts at wind gaps of coast,the paper presented 1,using the superior provenances of Casuarina having high adverse resistances of clone seed- lings-Au 15 198,Au c 38,Dong 1,yue 701,Hui 1,etc.;2.putting above drought resistant planting technigues into forestation practice;3.a variety of planting ways:in multirows like hedge,group planting,planting in patch and compact planting etc.
【Fund】: 国家“九五”攻关专题(编号:96-007-03-6)
【CateGory Index】: S792.93
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