What soil information do crop advisors use to develop nitrogen fertilizer recommendations for grain growers in New South Wales, Australia?

2019 ◽  
Vol 35 (1) ◽  
pp. 85-93 ◽  
Author(s):  
Graeme Schwenke ◽  
Luke Beange ◽  
John Cameron ◽  
Mike Bell ◽  
Steve Harden
Keyword(s):  
Nitrogen Fertilizer ◽  
New South ◽  
New South Wales ◽  
South Wales ◽  
Fertilizer Recommendations ◽  
Soil Information

Varieties of tomatoes for mechanical harvesting on the Murrumbidgee Irrigation Area of NSW

1967 ◽  
Vol 7 (27) ◽  
pp. 380
Author(s):  
JB Sumeghy ◽  
HC Kirton
Keyword(s):  
Nitrogen Fertilizer ◽  
New South ◽  
New South Wales ◽  
Planting Density ◽  
Plant Spacing ◽  
Irrigation Area ◽  
South Wales ◽  
Time Of Harvest

To test the potential suitability of ten tomato varieties in the Murrumbidgee Irrigation Area of New South Wales to mechanical harvesting, the yields from 'once-over' harvests were compared with the yields from a harvest consisting of four pickings at weekly intervals. In a second experiment the effect of plant spacing, time of harvest, and side-dressing with nitrogen fertilizer were studied for the most promising varieties from the first experiment. The varieties Roma 884, VF145-22-8, and VF145 held their crops for prolonged periods without deterioration and so showed potential for mechanical harvesting. High planting density gave the highest yields from a single picking, and later picking and nitrogen side-dressing also increased yield.

Response of Inga rice to nitrogen fertilizer rate and timing in New South Wales

1982 ◽  
Vol 22 (115) ◽  
pp. 62 ◽  
Author(s):  
DP Heenan ◽  
LG Lewin
Keyword(s):  
Nitrogen Fertilizer ◽  
Agricultural Research ◽  
New South ◽  
New South Wales ◽  
Research Centre ◽  
Yield Response ◽  
Fertilizer Rate ◽  
South Wales ◽  
Panicle Number ◽  
Nitrogen Fertilizer Rate

Two experiments were done at the Yanco Agricultural Research Centre, New South Wales, in 1978-79 and 1979-80 to measure the response of long grain rice, cv. Inga, to rates of nitrogen applied at two different times. The highest yields were recorded when the nitrogen was applied at panicle initiation. Increasing the rate from 100 to 200 kg N/ha at panicle initiation had no effect on grain yield. When the nitrogen was applied earlier, just before permanent water, yields were highest at 50 kg N/ha and declined at the highest rates (150 and 200 kg N/ha). This negative yield response was mainly due to a drop in the percentage of filled florets, and occurred despite an increase in panicle number.

Production of two species and two interspecific hybrids of phalaris under irrigation in south-west New South Wales

1980 ◽  
Vol 20 (103) ◽  
pp. 181 ◽  
Author(s):  
JW Read ◽  
JV Lovett
Keyword(s):  
White Clover ◽  
Nitrogen Fertilizer ◽  
Interspecific Hybrids ◽  
New South ◽  
New South Wales ◽  
Paspalum Dilatatum ◽  
Suitable Alternative ◽  
South West ◽  
South Wales ◽  
High Production

Two phalaris hybrids (Siro 11 46 and allopolyploid) and the parent lines (Phalaris aquatica and P. arundinacea) were compared in monoculture with nitrogen fertilizer and in a mixed sward with white clover and lucerne. The experiment was flood irrigated and the effects of defoliating the swards at intervals of 21, 42 and 84 days were measured. The hybrid (Siro 11 46) was the most productive genotype at all defoliation intervals. Eighty one % of its annual yield occurred in spring and summer. This production imbalance renders Siro 11 46 unsuitable as the foundation of a pasture for high production throughout the year. The mixed sward produced more than the monoculture sward when defoliated every 21 or 42 days and there was increased production associated with increased defoliation interval. The monoculture sward was more productive than the mixed sward at an 84 day defoliation interval. The yield of Siro 1146 + white clover was 2.25 t ha-1 per 84 days, compared with a mean yield of phalaris + white clover of 1.78 t ha-1 per 84 days for the three other genotypes. The results indicate that Siro 11 46 grown with white clover and defoliated approximately every 42 days would be a suitable alternative pasture to Paspalum dilatatum and white clover in the two-pasture system used in irrigation areas of southern New South Wales. The problems of low acceptability and suspected toxicity of Siro 1146 are discussed.

Effect of seeding rate and nitrogen fertilizer on production of autumn sown rape (Brassica napus) on the Central Tablelands of New South Wales

1969 ◽  
Vol 9 (38) ◽  
pp. 350 ◽  
Author(s):  
D Gramshaw ◽  
FC Crofts
Keyword(s):  
Brassica Napus ◽  
Nitrogen Fertilizer ◽  
Field Experiments ◽  
New South ◽  
New South Wales ◽  
Early Spring ◽  
Annual Rainfall ◽  
Dry Matter Content ◽  
Seeding Rate ◽  
South Wales

Two factorial field experiments, comparing the effects of a range of seeding rates and levels of nitrogen fertilizer on the winter and early spring yield of rape (Brassica napus CV. Dwarf Essex) sown in early autumn, were conducted in two successive years near Orange (33.2�S, 149.1�E), New South Wales. Average annual rainfall is 34 inches and winter mean temperatures range from 42-45�F. Seeding rates of from 9 to 15 lb an acre and nitrogen fertilizer at 80 lb N an acre at seeding gave near optimum winter and early spring yields. This combination gave a three-fold increase in yield over sowings at 3 lb an acre without nitrogen fertilizer. The responses to seeding rate and nitrogen were independent in winter, but these factors interacted to affect yield in early spring. The dry matter content of rape varied between 11.5 and 19.3 per cent and was generally unaffected by seeding rate, but tended to decrease slightly with increased nitrogen level. Nitrogen percentage, which fluctuated between 2.18 and 3.61, was little affected by increased seeding rate and generally showed a small increase with increasing levels of applied nitrogen.

Sod-seeding of rice in New South Wales

1965 ◽  
Vol 5 (19) ◽  
pp. 475 ◽  
Author(s):  
EB Boerema
Keyword(s):  
Nitrogen Fertilizer ◽  
Seedling Survival ◽  
New South ◽  
New South Wales ◽  
Rice Varieties ◽  
South Wales ◽  
Applied Nitrogen

In a series of five experiments in the irrigation areas of N.S.W., currently grown rice varieties were sod-seeded and compared under several rates of seeding and levels of applied nitrogen. There were no differences between varieties in their adaptability to the sod-seeding practice. Seedling survival was poor but higher seeding rates increased yields in only one of the four trials where they were tested. Responses to nitrogen fertilizer at seeding were small in the two experiments where it was included, but in one, 80 lb N per acre increased yield from 10,872 lb/acre to 12,292 lb/acre (P<0.05).

Response of a conventional and a semi-dwarf wheat, and rape, to superphosphate

1979 ◽  
Vol 19 (100) ◽  
pp. 559 ◽  
Author(s):  
PR Dann ◽  
CBH Edwards
Keyword(s):  
Nitrogen Fertilizer ◽  
New South ◽  
New South Wales ◽  
Residual Effect ◽  
Yield Component ◽  
Combined Effects ◽  
Limited Information ◽  
South Wales ◽  
Dwarf Wheat

The effects of seven levels of superphosphate (nil, 40,80,120, 200 and 300 kg ha-1) on Eagle, a conventional wheat, and Condor, a semi-dwarf wheat, and Oro rape, were studied in 1975 and 1976 near Yass, New South Wales. The experiments also provided limited information on the combined effects of nitrogen fertilizer (70 kg N ha-1) and wheat sowing rates (30 and 60 kg ha-1). In both years the response to superphosphate by the two wheats was similar, the highest superphosphate rate more than doubling yield, but the response by the rape was much less. Condor outyielded Eagle by 32%, and Oro by 63%. Wheat yields were 22% greater at the higher sowing rate. In 1975, nitrogen reduced wheat yields by 23%. There was no residual effect on 1975 fertilizer treatments on crops sown in 1976. The effect of increasing superphosphate rates was due to the production of more spikes per hectare; the heavier sowing rate also increased this yield component. The superiority of Condor over Eagle lay in the production of more, and greater weight of, grains per spike.

Grass-white clover relationships during pasture development. 2. Effect of nitrogen fertilizer with superphosphate

1973 ◽  
Vol 13 (64) ◽  
pp. 575 ◽  
Author(s):  
EC Wolfe ◽  
A Lazenby
Keyword(s):  
White Clover ◽  
Nitrogen Fertilizer ◽  
Dry Matter ◽  
New South ◽  
New South Wales ◽  
South Wales ◽  
Intermediate Rate ◽  
Dominant Phase ◽  
Clover Pasture ◽  
Applied Nitrogen

The development of an intermittently grazed phalaris-white clover pasture was studied from 1967 to 1970 following factorial annual applications of nitrogen fertilizer (0, 56, 11 2 kg N ha-1) and superphosphate (0, 188, 375 kg ha-1) onto a previously unfertilized site near Armidale, New South Wales. Each year superphosphate increased annual yields of phalaris, clover and total pasture. The response to superphosphate of phalaris was mainly linear, but in the final year of the experiment the yield of clover was greater at the intermediate rate (SP188) than at SP375. Nitrogen increased annual dry matter yields of phalaris and total pasture only in the presence of superphosphate. Clover growth was not suppressed by nitrogen fertilizer until the final year, when total pasture yields were not increased by nitrogen. In the absence of applied nitrogen, pastures on the SP375 treatment were clover-dominant in 1967 and 1968 but strongly grass-dominant in 1970; at SP188, pastures remained clover-dominant after the establishment year. The application of up to 112 kg N ha-1 year -1 reduced the intensity of the clover-dominant phase at SP, and circumvented clover-dominance at SP188. Grass-white clover relationships during pasture development are discussed in relation to the prevention of cattle bloat.

Radiotherapy utilization in New South Wales from 1996 to 1998: Comment

2000 ◽  
Vol 44 (4) ◽  
pp. 483-484 ◽  
Author(s):  
JH Kearsley
Keyword(s):  
New South ◽  
New South Wales ◽  
South Wales

Plants of New South Wales

2009 ◽  
Author(s):  
F. Von Mueller
Keyword(s):  
New South ◽  
New South Wales ◽  
South Wales

Notes and Sketches of New South Wales

2009 ◽  
Author(s):  
Louisa Anne Meredith
Keyword(s):  
New South ◽  
New South Wales ◽  
South Wales
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