Litter Fall in a New South Wales Conifer Forest: A Multivariate Comparison of Plant Nutrient Element Status and Return in Four Species

1973 ◽  
Vol 10 (2) ◽  
pp. 527 ◽  
Author(s):  
A. V. Spain
Keyword(s):  
New South ◽  
New South Wales ◽  
Plant Nutrient ◽  
Litter Fall ◽  
Nutrient Element ◽  
Conifer Forest ◽  
South Wales

Diagnostic leaf analysis for stone fruit. 6. Apricot

1975 ◽  
Vol 15 (72) ◽  
pp. 123 ◽  
Author(s):  
DR Leece ◽  
Bvan den Ende
Keyword(s):  
New South ◽  
New South Wales ◽  
Element Composition ◽  
Rate Of Change ◽  
Correction Factors ◽  
Nutrient Element ◽  
Composition Data ◽  
Leaf Analysis ◽  
South Wales ◽  
Leaf Composition

Changes in the nutrient-element composition of leaves of 'Trevatt' apricot were measured monthly during the 1971-72 and 1972-73 seasons in New South Wales. The rate of change of leaf composition was least during January-February. Thus, leaf composition standards should be based on January- February samples and diagnostic sampling should be confined to this period where possible. Correction factors for adjusting the composition of early or late samples back to January 31 levels, were calculated from polynomials with time fitted to the leaf composition data. A survey of the leaf composition of well-managed 'Trevatt' apricot orchards was conducted each January from 1971 to 1973 in New South Wales and Victoria. Percentages of orchards classified as low to deficient (-), and high to excess (+) for various nutrients were as follows : New South Wales (averages of 1971 to 1973) N -41 ; P +37; K +49; Mg +56; Fe +1 9 ; Zn -18. Victoria (averages of 1972 and 1973) N -21 and +32; K +10; Fe -35; Mn +17; Zn -20.

The plant nutrient status of granite soils from the Bendemeer area of New South Wales

1966 ◽  
Vol 6 (20) ◽  
pp. 17 ◽  
Author(s):  
F McMullen
Keyword(s):  
Dry Matter ◽  
New South ◽  
Soil Phosphorus ◽  
New South Wales ◽  
Trifolium Subterraneum ◽  
Nutrient Status ◽  
Calcium Sulphate ◽  
Plant Nutrient ◽  
First Order ◽  
South Wales

A factorial glasshouse pot trial was used to examine the supply of phosphorus, boron, zinc, copper, cobalt, magnesium, molybdenum, potassium, and manganese, to the Dwalganup strain of Trifolium subterraneum L. growing in virgin granite soils from Bendemeer, New South Wales. Calcium sulphate was applied as a basal nutrient. Significant dry matter responses were obtained on all four virgin soils to the application of phosphorus, molybdenum, and potassium; to copper on two soils; and to boron and cobalt on one soil. Phosphorus was so deficient that responses to other plant nutrients did not occur in its absence. On all soils, significant first order interactions were recorded between phosphorus and other deficient elements. In addition, significant interactions were recorded between molybdenum and magnesium, copper and molybdenum, boron and molybdenum, copper and cobalt, and potassium and molybdenum.

Long-term Variation of Litter Fall, Canopy Leaf Area and Flowering in a Eucalyptus maculata Forest on the South Coast of New South Wales

1997 ◽  
Vol 45 (5) ◽  
pp. 737 ◽  
Author(s):  
E. W. Pook ◽  
A. M. Gill ◽  
P. H. R. Moore
Keyword(s):  
Leaf Area ◽  
New South ◽  
New South Wales ◽  
South Coast ◽  
Litter Fall ◽  
The South ◽  
Flower Buds ◽  
Area Index ◽  
South Wales ◽  
Eucalyptus Maculata

Litter fall, canopy leaf area and environmental conditions were monitored in a regrowth stand of Eucalyptus maculata Hook. in Kioloa State Forest on the south coast of New South Wales, from spring 1977 to winter 1992. Litter fall during the first half of the study period was strongly influenced by two of the most serious droughts that had occurred in 100 years. Canopy renewal and, hence, leaf fall and changes of leaf area index (LAI), were also influenced by the flowering phenology of E. maculata. Total annual litter fall (including bark shed from lower boles) averaged 5.7 t ha-1 and ranged from 3.1 up to 7.5 t ha-1. The respective means (plus absolute ranges) of annual leaf, twig and bark fall were 2.8 (1.5–4.2), 0.9 (0.3–1.4) and 1.6 (0.5–3.1) t ha-1. Forest LAI varied between 0.7 and 5 m2 m-2. Leaves comprised 50% of the average annual litter fall; bark shed from lower boles of E. maculata contributed 0.63 t ha-1 to average annual bark fall. Flower buds were produced by a proportion of overstorey trees of E. maculata about every second year. Synchronous production and flowering of buds on all trees was observed only once in 15 years. Less than 15% of flower buds (overall) produced fruit.

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