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Publication Type J
Authors HOY, NT; GALE, MJ; WALSH, KB
Author Full Name HOY, NT; GALE, MJ; WALSH, KB
Title REVEGETATION OF A SCALDED SALINE DISCHARGE ZONE IN CENTRAL QUEENSLAND .1. SELECTION OF TREE SPECIES AND EVALUATION OF AN ESTABLISHMENT TECHNIQUE
Source AUSTRALIAN JOURNAL OF EXPERIMENTAL AGRICULTURE
Language English
Document Type Article
Keywords Plus WESTERN-AUSTRALIA; REFORESTATION; AGROFORESTRY
Abstract Species selection trials using 38 tree species were undertaken on salinised, waterlogged land [watertable within about 1 m of soil surface, electrical conductivity (EC(w)) about 30 dS/m, surface soil (0-0.1 m) EC(1:5) about 10 dS/m] in coastal central Queensland. Casuarina glauca and C. obesa gave best survival and growth, while Eucalyptus camaldulensis and C. cunninghamiana gave good initial survival but succumbed to salt and waterlogging stress after several years. The role of soil mounding and mulching for the establishment of C. glauca was investigated in a factorial experiment involving 2 levels of soil mounding (nil, 0.15 m) and 4 mulch conditions (nil, hay, black plastic, white plastic), and in a second experiment involving bagasse, soil amendment with calcium, and the installation of a double ridge in the mound. The low soil mounding had little effect on plant survival or growth, or soil conductivity; however, mulching greatly influenced these parameters (e.g. about 2 years after a summer planting, tree survival, tree growth, and surface soil conductivity in a plastic mulch treatment was 566, 210, and 60%, respectively, of values of the no-mulch treatment, with a mean tree height of about 3 m in the plastic mulch treatment). Plastic mulch was recommended over hay or bagasse mulch for short-term (<2 years) increase in plant survival and growth (e.g. 15 months after a summer planting, height of plants established in plastic mulch rows was 124% of that in hay-mulched rows). The incorporation of a small trough in the crown of the bed was found to improve plant growth significantly (tree height in troughed mounds 120% of that in untroughed mounds, 15 months after planting), but did not improve establishment. Soil amelioration with lime, gypsum, or dolomite at 3.0 t/ha did not improve plant growth. A further trial at another salinised site confirmed the success of the plastic mulch-crown trough technique, relative to conventional preparation techniques (i.e. ripping).
Reprint Address HOY, NT (reprint author), UNIV CENT QUEENSLAND,DEPT BIOL,ROCKHAMPTON,QLD 4702,AUSTRALIA.
Cited References ASWATHAPPA N, 1986, P AUSTR CTR INT AGR; BARI MA, 1992, J HYDROL, V133, P273, DOI 10.1016/0022-1694(92)90259-X; BARI MA, 1991, AGROFOREST SYST, V16, P13, DOI 10.1007/BF00053194; BELL RW, 1990, J HYDROL, V115, P297, DOI 10.1016/0022-1694(90)90211-F; BLAKE TJ, 1981, AUST FOREST RES, V11, P179; Clarke A. J., 1982, Journal of Agriculture, Western Australia, V23, P7; CUMMINS VG, 1981, QUEENSLAND AGR J, V107, P257; EASTHAM J, 1993, LAND DEGRAD REHABIL, V4, P113, DOI 10.1002/ldr.3400040302; [Anonymous], 1982, AUSTR FORESTRY RES; GREENWOOD EAN, 1988, RECONSTRUCTION DISTU, P205; Loveday J., 1983, Soils: an Australian viewpoint., P843; Malcolm C. V., 1981, Australian Rangeland Journal, V3, P106; Marcar N. E., 1989, New Forests, V3, P141, DOI 10.1007/BF00021578; Marcar N. E., 1990, Management of soil salinity in south east Australia. Proceedings of a symposium held at Albury, New South Wales, Australia, on September 18-20, 1989., P373; PETTIT N, 1990, LAND WATER RES NEWS, V6, P12; RITSON P, 1992, FOREST ECOL MANAG, V48, P89, DOI 10.1016/0378-1127(92)90123-Q; RUPRECHT JK, 1991, J HYDROL, V129, P39, DOI 10.1016/0022-1694(91)90043-H; SCHOFIELD NJ, 1991, AUST J SOIL RES, V29, P635, DOI 10.1071/SR9910635; SCHOFIELD NJ, 1991, AGR SCI, V4, P26; SMITH S. T., 1959, Journal of the Department of Agriculture for Western Australia, V8, P263; VANDERMOEZEL PG, 1989, TREE PHYSIOL, V5, P251; VANDERMOEZEL PG, 1988, AUST J PLANT PHYSIOL, V15, P465; Van der Moezel P. G., 1990, P ECOLOGICAL SOC AUS, V16, P545; Wilson KL, 1989, FLORA AUSTR, V3, P100
Cited Reference Count 24
Times Cited 11
Total Times Cited Count (WoS, BCI, and CSCD) 12
Publisher C S I R O PUBLICATIONS
Publisher City COLLINGWOOD
Publisher Address 150 OXFORD ST, PO BOX 1139, COLLINGWOOD VICTORIA 3066, AUSTRALIA
ISSN 0816-1089
29-Character Source Abbreviation AUST J EXP AGR
ISO Source Abbreviation Aust. J. Exp. Agric.
Year Published 1994
Volume 34
Issue 6
Beginning Page 765
Ending Page 776
Digital Object Identifier (DOI) 10.1071/EA9940765
Page Count 12
Web of Science Category Agriculture, Multidisciplinary
Subject Category Agriculture
Document Delivery Number PW726
Unique Article Identifier WOS:A1994PW72600009
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