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Trace Element Nutrition. Tissue Testing Programme 1989. Residual Value. Manganese Nutrition Of Lupins., R. F. Brennan

Experimental Summaries - Plant Research

Evaluation of existing diagnostic procedures for the recommendation of trace element fertilizers.

To compare the accuracy and reliability of a range of tissue and soil tests being variously promoted for use to farmers for the diagnosis and prognosis of zinc and copper deficiencies in wheat crops on Western Australian farms.

Trial 66N14

Long term copper residual trial at the Newdegate Research Station.

To determine the residual value of previously applied copper.

Location: Newdegate Research Station.

Trial 86N27

Residual value of zinc with high analysis nitrogen and phosphorus fertilizer.

To determine the decline in effectiveness of zinc on this soil types …

Soil Acidity And Eastern Wheatbelt Plant Nutrition., W. Porter., C. L. Kipling

Experimental Summaries - Plant Research

1. Affects of soil acidity on subterranean clover growth in the cropping areas of Western Australia.

Trial 87AL35, 87NO2, 87No3, 88NO76, 88NO77, 88TS54

To investigate the responsiveness to lime of subterranean clover based pastures on acid soil and the cropping areas of Western Australia.
To determine the reasons for responses to line in the field, particularly the possible involvement of legume nodulation effects and the alleviation of soil/water repellence.
To develop practical identification and management strategies for acid soils problems.

Trial 87AL35.

Liming in crop/pasture rotation on acid soils

Location: Woogenellup.

History: 1987 Lime applied, sown to barley
1988 Clover …

Foliar Fertilization Of Burley Tobacco At Topping, Kenneth L. Wells, Kim D. Strohmeier

Soil Science News and Views

Many burley growers follow the practice of applying 1-2 gallons/A of liquid fertilizer to their tobacco crop by mixing it with their sucker control chemical and spraying the combined mixture on the crop soon after topping. This practice is thought to improve yields. However, previously reported testing of this practice by the University of Kentucky College of Agriculture indicated that it did not improve yields.

Grain Legume Adaptation To Soil Type, R French, M Greaves

Experimental Summaries - Plant Research

Grain legume adaptation to soil type, 89ME95, 89ME96, 89ME97, 89ME98, 89ME99, 89N36, 89N37. 89EB28, 89EB29, 89EB30, 89ME65. Lupin yield response to seed size and plant density, 89LG37, 89WH60, 89ME63, 89M2. Doublegee control in field peas with Bladex/MCPA, 89M31.

Evaluation Of Trifolium And Ornithopus Species., Richard Snowball

Experimental Summaries - Plant Research

89AL26, 89MC6, 89W10, 89HA3, 89N058

Trial work in 1989 included the following:

Medina: 1. Re-evaluation of Persian and Balansa clovers.
2. Confirmation of sorted types from new collections.
3. Regeneration of old collections.
4. Seed increase of Persian and Balansa clovers.
5. New Serradella collections.
6. New Trifolium collections.

Country: Selected lines of Persian, Balansa and other Trifolium species at:

1. Green Range.
2. Manjimup.
3. Wokalup.
4. Harvey.
5. Goomalling.

The Nitrogen Response Of Wheat Crops Following Lupins, I C. Rowland, Mel Mason, John Hamblin

Journal of the Department of Agriculture, Western Australia, Series 4

One of the many benefitsof growing narrow-leaved lupins in a crop rotation (Rowland et al 1988) in the increased yield of the following cereal crop as a result of the improved nitrogen level of the soil.

This article reports the results from 41 wheat/lupin rotation trials involving a range of nitrogen rates throughout the Western Australian agricultural area between 1978 and 1987. These trials allowed scientists to assess the interaction of nitrogen fertilization with previous cropping history and to estimate some of the contribution of the nitrogen and other effects of lupins within the crop rotations. The results provide some …

Trees For Windbreaks On Swan Coastal Plain Farms, Leon English, Ken Angell, Metropolitan District Office, Department Of Agriculture And Food, Western Australia

Bulletins 4000 -

Strong easterly and south-westerly winds are a feature of the Swan Coastal Plain and we receive frequent inquiries about which tree species are suitable for planting as windbreaks. When selecting trees for windbreaks you must match the species to the various soil types which occur along the Coastal Plain. The mature height of the tree is also an important consideration in good windbreak design. This Bulletin lists species which are suitable for windbreaks in descending order of mature height and indicates the soil type(s) on which they should be planted.

Geologic Evolution Of Trail Ridge Eolian Heavy-Mineral Sand And Underlying Peat, Northern Florida, Eric Force, Fredrick J. Rich

Earth, Environment & Sustainability: Faculty Publications

The southern portion of Trail Ridge in Clay County, Fla., has been an important domestic source of altered ilmenite, zircon, and other minerals since 1949. The ridge as a physiographic feature extends in a north-south direction over 160 km and is 1 to 2 km wide. The ore is a fine- to medium-grained sand body that extends down from the crest of the ridge about 20 m. Average heavy-mineral content is about 4 percent. Over half of the ilmenite and zircon is contained in thin, dark laminae dipping 26° to 41 ° southwest; these laminae extend deep within the ore …

Surface Sediments And Their Relationship To Water Quality In Hillsborough Bay, A Highly Impacted Subdivision Of Tampa Bay, Florida, J.O.R. Johansson, A.P. Squires

Reports

This paper will summarize the composition of surface sediment and sediment oxygen demand rated in Hillsborough Bay. Also, a first attempt is made to relate the nutrients released from these sediments to the phytoplankton, the dominant primary producers of the bay.

Distribution Patterns And Accumulation Rates Of Fine-Grained Sediments In Upper Tampa Bay, Florida, Gregg R. Brooks

Reports

Tampa Bay, a drowned river valley, is the largest estuary on Florida's west coast.

Surface sediments consist of a mixture of carbonate and terrigenous clastic sands and muds.

The objectives of this study are to determine accumulation rates and processes controlling the distribution patterns of fine grain sediments.

Effectiveness Of Tile Drainage On Karnak Silty Clay Soil, Gerald R. Haszler

Soil Science News and Views

Artificial drainage of agricultural lands has been practiced for centuries. Earlier techniques devised were open ditches to drain the excess water. The widescale development of subsurface tile drains began with the production and availability of clay tiles. Today, corrugated plastic pipe is the most popular and efficient way to install subsurface drainage lines. The objective of agricultural soil drainage is the removal and disposal of excess water from the rooting zone in order to improve soil productivity. The 1971 Soil Conservation Service (SCS) handbook estimated that 130 million acres or about one-third of all crop land in the United States …

Comparative Morphologic Analysis And Geochronology For The Development And Decline Of Two Pleistocene Coral Reefs, San Salvador And Great Inagua Islands, Bahamas, H. Allen Curran, Brian White, J. H. Chen, G. J. Wasserburg

Geosciences: Faculty Publications

Reprinted from: John E. Mylroie (ed.), Proceedings of the 4th Symposium on the Geology of the Bahamas: San Salvador, Bahamian Field Station.

Pleistocene And Holocene Carbonate Environments On San Salvador Island, Bahamas: A Field Trip Guide, H. Allen Curran, Roger J. Bain, James L. Carew, John E. Mylroie, James W. Teeter, Brian White

Geosciences: Faculty Publications

Although isolated and small in size, San Salvador Island is in many ways a unique place - an all carbonates setting on a small, tectonically stable platform, surrounded by deep oceanic waters, and an historical footnote as the widely accepted first landing site of Christopher Columbus in the New World in 1492. Columbus' stay here was brief, and the major events of subsequent history largely have passed San Salvador by. This is not a tourist island; the natural beauty, floras, and faunas of the Bahamas are well preserved here.

The overview theme of this series of field excursions on San …

Interaction Of Season With Wheat Response To Nitrogen Fertilizer., J. W. Bowden, R. J. Lunt

Experimental Summaries - Plant Research

Trial 89M3

Interaction of season with wheat response to nitrogen fertilizer.

Location: Merredin Research Station.

History: 1988 pasture.

Sown on 30/5/89. Gutha Wheat at 50 kg/ha Madiera Serradella at 15 kg/ha. Basal superphosphate at 200 kg/ha plus Molybdenum drilled with the seed and 100 kg/ha Muriate of Potash topdressed. At seeding (A.S) nitrogen treatments topdressed by hand on 1/6/89 and 4 weeks after (4WAS) treatments applied on 29/6/89. Supplementary water applied.

Trial 89NA61

Pasture deterioration trial.

Location: West Dale

History: Long term pasture dominated by non-productive 'suffocating clover'.

Trial 88NA88

Effect of clover growth on nitrogen for following cereals.

Location: …

Glean Logan Comparisons, R Madrin, J Buckley

Experimental Summaries - Plant Research

Rates and timing of application, 89ME79, 89NO72, 89WH81, 89WH75. Hoegrass tankmixes, Brodal, Glean, 89M58. Grasp efficacy, rates and timing of application to wheat, 89NO71. Grasp tolerance, rates and timing of application to wheat, 89A17, and 89WH62. Silvergrass control in pasture. Simazine, Pursuit, 89KA67, 89LG60, 89NO73. Marshmallow control in crop, 89NO98. Glyphosate formulation comparisons, 89WH78, 89A27. Diclofop-methyl formulation comparisons, 89A28. Pursuit on pasture, rate and additives, 89LG61, 89LG60, 89LG58, 89A26. Selective grass controllers with Simazine on pasture 89M64, 89LG59. Cape tulip control in pasture, 89NA73, 89NA72.

Canola Rapeseed, Rapeseed, Tillage., J D. Warren, R Tugwell, S Wiley

Experimental Summaries - Plant Research

Canola rapeseed. Assessment of early maturity Stage 2, lines. 89AB5, 89N38, 89EB31. Early maturity triazine resistance. 89AB6, 89N39, 89EB32. Stage 1 early maturity selections, 89AB8. Stage 2 Late maturity, 89MT43. Late maturity triazine resistance, 89MT44. Blackleg race trial, 89MT47. Interstate variety trials, 89MT45, 89ka70.

Pasture Agronomy., C. K. Revell

Experimental Summaries - Plant Research

Trial 89ME82

a. Medic establishment.

Establishing burr medic pastures with cereal cover.
Merredin

Trial 89SC19

b. Serradella - Potash response.

Response of serradella to potash fertilizer.
South Carrabin

Trial 89M44

c. Serradella/Grass competition

Effect of grass competition on production of serradella.
Merredin Research Station.

Trial 89SC HERB

d. Herbicide tolerance of Serradella.

Herbicide tolerance of Madeira serradella.
South Carrabin

Influence Of Soil Acidity On Cereals And Acidification Rates., P. J. Dolling

Experimental Summaries - Plant Research

Soil acidity and the availability of nitrogen to cereals.

To determine the extra nitrogen available due to better pasture legume growth after liming.
To determine the extra nitrogen released from soil organic matter after liming.

Trial 89NO81

Location: South Cunderdin.

Trial 89NO82

Location: Cunderdin

Trial 89NO83

Location: Konnongorring.

Trial 89NO84

Location: Jennacubbine.

Trial 88AL35

Location: Woogenellup.

Trial 88TS54

Location: Three Springs.

Trial 88NO76

Location: Goomalling.

Trial 88NO77

Location: Ejanding.

Effect Of Seed Origin And Seed Phosphorus On The Growth Of Lupins., M. M. Riley, M. D. Bolland, K. Adcock

Experimental Summaries - Plant Research

Trial: 89BA29

Location: Badgingarra Research Station, Paddock 4A2, old block.

Lupin cv. Gungurru sieved to uniform size and sown without inoculation. No basal fertilizers were applied as the soil had previously been treated with high rates of superphosphate, micro-nutrients and potassium. Muriate of potash topdressed on 18/8/89 at 100 kg/ha.

Effect Of Soil P Supply On The Early Growth And Nodulation Of Lupins., Brett Thomson, M. D. Bolland, R. W. Bell

Experimental Summaries - Plant Research

Trial 89GL33

Location: Glasshouse University of Western Australia.

Four seeds were sown at 2.5 cm depth in pots containing 4.5 kg of steam sterilized soil treated with the following basal nutrients (mg/kg soil) : K₂SO_4, 121.7; MgSO4.7H₂0, 17.5: CaCl₂, 21; FE sequestraene, 7.2; H₃BO₃, 0.5; MnSO₄, 10.8; ZnSO₄, 7H₂0, 7.5; CuSO₄, 5H₂0, 5.3; Na₂Mo0₄.2H₂0, 0.27; CoSO₄.7H₂O, 0.07.

Pasture Deterioration Trial, J. W. Bowden, R. J. Lunt

Experimental Summaries - Plant Research

Trial 89NA61

Location: Duranillin

In this site we would expect a very large response (40 to 50% ) to phosphorus.

History:

The site was chosen because of the patchy and poor pasture production. The poor areas tend to have more suckling clover than the good areas. The pasture was legume dominant.

Treatments were applied on April 16, 1989.

Seed Phosphorus In Cereals And Lupins., R W. Bell

Experimental Summaries - Plant Research

Experiment 89SC21, effect of seed origin and seed phosphorus on growth of wheat.

Experiment 89SC23, effect of seed phosphorus, seed size and seeding density on the growth of wheat at two soil P levels.

Experiment 89GL32, effect of solution P supply on the early growth and nodulation of lupins grown from seed with three levels of P.

Experiment 89GL33, effect of soil P supply on the early growth and nodulation of lupins.

Experiment 89SC20, effect of seed origin and seed phosphorus on growth of lupins.

Tolerance Of Cereal Varieties To Herbicides, David Bowran, Neil Thomson

Experimental Summaries - Plant Research

Tolerance of current cereal varieties to new herbicides, 89EC21, 89N27, 89SC15. Tolerance of new cereal varieties to current herbicides, 89EB19, 89EC20, 89N28, 89SC16. Tolerance of wheat varieties to Metribuzin and Pendimethalin, 89EC22, 89WH58. Tolerance of wheat to herbicide tank mixes for grass and broadleaf weed control in cereals, 89WH86. Grasp efficacy and tolerance, 89C22, 89GE93. Tolerance of field peas to herbicides, 89KA64, 89M56. Tolerance of pasture legume varieties to herbicides, 89KA76. Crop establishment using residual herbicides for weed control, 89NA66.

New Block Badgingarra Rs Late Time Of Seeding., J. W. Bowden, R. J. Lunt

Experimental Summaries - Plant Research

Trial 89BA33,

Location: Badgingarra

Based on a 1.5 t/ha potential yield, the strategic treatment was planned to be 120 kg urea/ha 4WAS. However, the crop was poorly established and so NH4NO3 was used in the hope of getting better tillering than would be possible with the slower release urea source. Gambling on equal dollars to urea for 2/3 N, but believe that twice as effective.

DAP was used to place nitrogen with the seed in case there was no rain of significance after seeding. This nitrogen (only 5 kg/ha) was probably lost with the rains of 20-28/7/89 (50 mm). Urea …

Nitrogenous Fertilisers For Cereals In Different Rotations. Results From 1989 Trials., I. Rowland, M. G. Mason

Experimental Summaries - Plant Research

Trial 78BA1

Nitrogen fertiliser requirement in alternate crop - pasture rotation.

Location: Badgingarra Research Station.

Trial 88B4

Effect of amount and quality of organic matter residues on response to N.

Location: Badgingarra Research Station.

Trial 86WH36, 86M44

Lupin/wheat rotation.

Location: Wongan Hills Research Station, Carrabin Research Station.

Trail 87N084, 86M39, 86ME64, 87N25, 87KA49

Pea/wheat rotation.

Location: Konnongorring, Merredin Research Station, Narembeen, Newdegate Research Station, Nyabing,

The Effect Of Seed Origin And Seed Phosphorus On The Growth Of Lupins, M. M. Riley, M. D. Bolland, K. Adcock

Experimental Summaries - Plant Research

Trial: 89SC20

Location: South Carrabin Research Station, Hayden paddock.

The effects of superphosphate and fertilizer on seeds planted over a 21 week period.

Grain Legume Evaluation, G W. Walton, T R. Trent

Experimental Summaries - Plant Research

Pea variety evaluation, 89NM20, 89EB22, 89KA68, 89N334, 89EB24, 89SC27, 89A24, 89EB33, 89EB25. Grain legume species evaluation, 89NM21, 89MO41, 89N25, 89MC9, 89NM21, 89A22. Faba bean evaluation, 89MO42, 89A23, 89MC10, 89EB27, 89SG22 Grain legume agronomy

Ear Stem Ratios In The Breeding Populations. Characterization Of Early Vigour In Wheat Cultivars., K Hm Siddque, L Mclaughlin

Experimental Summaries - Plant Research

Positive correlation between harvest index and ear stem ratio at anthesis. Study and identify lines varying in ear stem ratio within material from WADA ‘ s wheat breeding programme and to study its implication for grain yield improvement.

Study the genetics and physiology determining ear stem ratio. Characterization of early vigour in wheat cultivars, 89WH54.

Demographic Responses To The Chemical Control Of Doublegee, F D. Panetta, R P. Randall

Experimental Summaries - Plant Research

Control of Doublegee in medic pasture, 88WH47. Competitive effect and response of Emex australis in a grazed animal pasture.

Tactical Nitrogen Decisions For Wheat (And Nitrogen Sources Rates And Times On Wheat), J. W. Bowden, R. J. Lunt

Experimental Summaries - Plant Research

Trial 89MO49

Location: Tenderloin, Brand Highway, Regan's Ford.

History:

1987 Aroona wheat with 70 kg DAP and 3 kg CuSO4 at seeding followed by 60 urea at 3WAS and another 40 urea at 6WAS. Yield was about 1.7 to 1.8 t/ha;
1988 Gungurru lupins with 120 kg super and manganese/ha yielded 1.9 t/ha. 350-400 ml Roundup/ha and one cultivation prior to seeding.