Life Sciences Commons^™

Wheatbelt Trace Element Nutrition 1969, J W. Gartrell

Experimental Summaries - Plant Research

1. Rates of Copper and Zinc on Wheat. 2. Rates and Sources of Zinc on Wheat: 3..Zinc Spray Treatments on Wheat.

Pasture Species Investigations - High Rainfall Area, D A. Nicholas

Experimental Summaries - Plant Research

1. Perennial Versus Annual Species Grazing Trial. D. Squire, W. Kendenup. 65MB27 2. 68NA1 Clover Cultivar Grazing Trial. 'Gilros' Pastoral Co. 1969. \ ; Clover Cul ti var Grazing Trial, Gilros Pastoral Cc;>. , · North Bannister. The aim of the trial is to investigate the production of eight subterranean clover cultivars under continuous grazing. The cultivars differ in their growth characteristics and content of ~· · oestrogenic compounds. After establishing the trial in May,1968, grazing was commenced in November, 1968. Following shearing in April, 1969, the stocking rate was increased from 2.2 and 3.0 sheep /acre to· 3.0 …

Long Term Rotation Trials, Ian Rowland

Experimental Summaries - Plant Research

The object of these trials is to attempt to determine the best rotation for each area or at least give some guidelines for recommendations as to the optimum rotation. Also to determine the effect of various pasture phases on the performance of the following crops and the number of crops required to utilise any accrued benefit from the pasture. In addition the trials on the Salmon Gums Research Station (68SG5) will attempt to compare cereal rotations on both volunteer and barrel medic pastures. It is also hoped to be able to get some estimate of grazing production from barrel medic …

Ammonium Nitrate Vs Urea, M G. Mason

Experimental Summaries - Plant Research

Ammonium nitrate is a source of nitrogen containing half

its nitrogen in the ammonium form and half in the nitrate form.

Some properties are set out in comparison with urea in the

following table.

Ammonium nitrate has an advantage over urea in that it can

be topdressed onto the surface of the soil and left uncovered

without a danger of loss of nitrogen to the atmosphere. When urea

is left uncovered on the surface of the soil losses of nitrogen occur

through volatilisation of ammonia during the hydrolysis of the urea.

Such losses with ammonium nitrate are only likely to …

Evaulation Of Pastures Species, G Walton

Experimental Summaries - Plant Research

The 1969/70 Experimental Programme was the evaluation of pasture species, which includes both introductory evaluation in small plots and evaluation of the most promising pastures under the influence of grazing animals. GRAZING TRIALS The continuation of the evaluation of Uniwager and Daliak subclovers in two series of trials: Series 2 (medium rainfall) (2575Ex) - 68TS12 (Eneabba) 68NA15 (Bullaring) 68LG17 (East Pingrup) Series 3 (low rainfall) (2576Ex) 68GE9 (Gutha) 68M024 (Kirwin) 68ME13 (Nokaning) The comparison of Tornafield medic with suitable subclovers (2709Ex); 69M017 (Watheroo) and 69LG24 (Lake Grace). The continuation of the legume species grazing trial. 66LG11 (Lake Grace) (2225Ex) and …

Continuous Cropping Trials, M G. Mason

Experimental Summaries - Plant Research

The aims of the trials at Binnu, Chapman, Wongan Hills, Avondale and Merredin were:

1. To determine whether the application of nitgrogen and fertilisers can maintain yields under a "continuous cropping" system
2. To compare the merits of three sources of nitrogen for this purpose.
3. To determine the maintenance dressing of superphosphate under this system and the need for supplementary fertilisers.

Trial 61A2
There have been no great problems with this trial. for a number of years the plots have required chemical spraying to control wild oats which had built up. In 1968 and 1969 some plots were soil sampled to determine …

Phosphorus - Sulphur Trials. Higher Rainfall Areas, R N. Glencross

Experimental Summaries - Plant Research

Superphosphate, phosphate and sulphur maintenance, 68BR7.

Superphosphate rate, stocking rate, 62M69.

Progress report on maintenance P x S rate trials, 66NO7, 66NO11, 67BR8, 67BR9, 68B1, 69E9, 68AL3, 68AL4, 68BR5, 68BR6, 68BU1, 68BU2, 68HA1, 68NO37, 69NO5, 69AL2,69AL3,69AL14, 69BR9, 69HA8, 69NA6.

Clackline maintenance P x S trial, 66NO7, 67NO11.

Sources of sulphur, 67B6, 68B3, 68BU3, 68BU4.

Super residual lupins, 68BR29,

1969 Results Of Field Experiments, Tony Albertsen

Experimental Summaries - Plant Research

Determination of rates of P and S required for maintenance of optimum pasture growth on old land, using individually grazed plots.

Nitrogenous Fertilisers For Cereal Grain Crops Results From 1969 Trials With Wheat, Oats, Barley And Linseed, M G. Mason

Experimental Summaries - Plant Research

69ME3, 66ES8, 66ES8, 69GE1, 69GE4, 69GE2, 61M11, 69M1, 69M2, 69ME7, 69TS3,69TS4, 69M3, 68SG4, 69ME2,69ME4, 68JL1, 68JL7, 68JL4, 68JL10, 68JL6, 68JL12, 69GE3, 69BA1, 69BA2, 69BA3, 69TS2, 69NO3, 69ES3, 69NA3, 67LG18, 69LG2, 69C1, 69C2, 67N3, 69N2, 69NO4, 68TS7, 61WH2, 62WH1, 69WH2, 69WH3, 69MO4, 69WH4, 69N1, 69NO2, 61A2, 69A1, 67ES1, 69ES4, 69BR1, 67ES2, 67ES2, 69E1, 69E2, 69AL1, 69MO2, 69MT1, 69MO3, 69NA2, 69NA4,

Nitrogen Use On First Crops After Legume Pasture, M G. Mason

Experimental Summaries - Plant Research

Apart from the normal factors affecting response of cereals to nitrogen fertilizers, i.e. length of growing season, rainfall, soil type etc, there are other factors which affect the response after a legume pasture. these factors include length of the previous legume phase and how good was the stand of legumes. Unfortunately for most of the trials in the past, involving the use of nitrogen on first crops after legumes, this information is not available.

Report On Trials Conducted In 1978 And 1969 By Plants Research Division And Wheat And Sheep Division, J W. Gartrell

Experimental Summaries - Plant Research

In the late 1920's the seven million acres of virgin land

between Hyden and Salmon Gums were considered for settlement under

the "3,500 farms scheme" because it constituted "practically the

only large area of wheat lands in a suitable climatic zone not then

settled in Australia" (Teakle 1939).

Land Resource Evaluation - Ninety Mile Tank Report On Trials Conducted 1968, 1969 And 1970 By Plant Research Division And Wheat And Sheep Division, J W. Gartrell

Experimental Summaries - Plant Research

In the late 1920's the seven million acres of virgin land between Hyden and Salmon Gums were considered for settlement under the "3,500 farms scheme" because it constituted "practically the only large area of wheat lands in a suitable climatic zone not then settled in Australia" (Teakle 1939). At that time the sandy scrubplain soils were more a liability than an asset because methods of profitably farming the light soils had not then been evolved. These useless scrubplains merely increased the distances between patches of' more f'ertile soils. The scheme for settlement was based mainly on the potential of' the …

Granular Fertiliser, C R. Hale

Experimental Summaries - Plant Research

There is general agreement that granulation of fertilisers improves their physical characteristics with respect to handling, storage and distribution in the field. These physical advantages rather tan any established agronomic reason appear to be responsible for the increasing use of granular fertiliser.