Life Sciences Commons^™

Effects Of Different Phosphate Fertilizers On Pasture Nutrition And Soil Phosphorus In Canterbury, New Zealand, L M. Condron, K M. Goh

IGC Proceedings (1997-2023)

A field trial was conducted over 6 years to assess the relative performance of three phosphate (P) fertilisers of differing solubility (single superphosphate, ‘longlife’ superphosphate, ‘reactive’ phosphate rock) on a permanent pasture at Methven in Canterbury, New Zealand. Plant P uptake data showed that while the overall relative effectiveness of the fertilisers was closely related to their water-soluble P content (single superphosphate > ‘longlife’ superphosphate > ‘reactive’ phosphate rock), the agronomic efficiency of the sparingly soluble phosphate rock fertiliser improved markedly with time. Soil P analysis demonstrated that significant dissolution of phosphate rock had occurred in the soil, and the findings of …

Strategies To Mitigate Seasonality Of Production In Grassland-Based Systems, Claudio Porqueddu, S. Maltoni, J. G. Mcivor

IGC Proceedings (1997-2023)

1. Fertilisation use and manipulation can cost-effectively alter species composition, increase seasonal herbage production and improve herbage quality.
2. Choice of suitable grassland species, varieties and mixtures offers opportunity to mitigate limitations of seasonal grassland production.
3. Special purpose fodder crops, cereals, shrubs and trees offer alternative or supplementary feed sources.
4. Manipulation of stocking rates, grazing systems, transhumance and pasture management at various times of the season are significant advantageous options.
5. Integration of different strategies is essential to mitigate seasonality in systems of animal production that must be inherently more sustainable over a longer time frame.

Improving Nutrient Supply Of Grassland Soil, G. Füleky, M. Orbán

IGC Proceedings (1997-2023)

In the Southern corner of the Eastern Carpathian Mountains is located the hilly region of Barcaság. The total agricultural area is 180 thousand ha of which 90 thousand ha is grassland. The maximum yield of natural grassland does not exceed 1.2 t ha^-1 hay. The aim of this work is to find appropriate fertiliser and liming rates to increase the hay yield and improve the soil nutrient supply.

Strategies To Mitigate Seasonality Of Production In Grassland-Based Systems, Claudio Porqueddu, S. Maltoni, John G. Mcivor

IGC Proceedings (1997-2023)

Key points

1. Fertilisation use and manipulation can cost-effectively alter species composition, increase seasonal herbage production and improve herbage quality.

2. Choice of suitable grassland species, varieties and mixtures offers opportunity to mitigate limitations of seasonal grassland production.

3. Special purpose fodder crops, cereals, shrubs and trees offer alternative or supplementary feed sources.

4. Manipulation of stocking rates, grazing systems, transhumance and pasture management at various times of the season are significant advantageous options.

5. Integration of different strategies is essential to mitigate seasonality in systems of animal production that must be inherently more sustainable over a longer time frame.

Seed Yield Of Herbaceous Crops Under Agroforestry System, Sarmite Rancane, Dagnija Lazdina, Peteris Berzina, Vija Stesele

IGC Proceedings (1997-2023)

Agroforestry is a perspective way of biomass production which combines simultaneous growing of woody plants with agricultural crops on the same area for different purposes (Reisner et al., 2007). Agroforestry like multifunctional agriculture has the objective of promoting economically, socially, and environmentally sustainable rural development (Leakey, 2012). It is more sustainable than the monocultures of forestry or agriculture separately. Agroforestry can be an appropriate technology in the areas with fragile ecosystems and subsistence farming.

The main advantage of this technology is improved efficiency of resource utilization and smaller competition of plants for nutrients (Bardule et al., 2013). Agroforestry has the …

Efficient Use Of Phosphorus In Temperate Grassland Systems, Richard J. Simpson, Alan E. Richardson, Shirley N. Nichols, James R. Crush

IGC Proceedings (1997-2023)

Phosphorus (P) fertilisers are important for high production in many grassland systems. However, there are increasing environmental, economic and strategic issues associated with using P, which is a non-renewable and “effectively finite” global resource. We review the P balance of temperate pastures to identify the factors that contribute to inefficient P use and discuss ways to improve P use efficiency. The most immediate gains can be made by ensuring that pastures are not over-fertilised. Plants with low critical P requirements, particularly as a result of better root foraging, will be important. Root traits such as fine roots (root diameter), branching, …

Inputs For Turfgrass Managers And Sod Growers: Marketing Vs. Science-Based Information With Emphasis On Australian Experience, Donald S. Loch

IGC Proceedings (1997-2023)

Industry structure and supporting resources are discussed in relation to information on plant nutritional and biostimulant products and concepts. Critical commentary is provided on examples of such products and services before considering ways in which decision-making by turf managers and sod growers can be improved in the future.

1970 Results Of Field Experiments, T O. Albertson

Experimental Summaries - Plant Research

"1970· Progress Eight of the 5 unreplicated trials were cropped without fertiliser. Seven were harvested (severe weed infestation ruined 66KA 7). Three trials left under pasture responded to the fertiliser treatments and were cut for dry matter production. The remaining four trials left under pasture grew badly, became weed dominant and were not rated for growth differences between treatments or cut for dry matter production. The replicated trials at Avondale and Newdegate were also cropped, without fertiliser. The replicated trials at Wongan Hills Research Station and Chapman did not visually respond to treatments and were not cut. 69WHl5 succumbed to …

Glasshouse Trials 1970, M G. Mason

Experimental Summaries - Plant Research

Two glasshouse trials were carried out - ( 1) Ef'fect of Placement of' Urea and Soil Moisture Level on Germination of Wheat. (2) Effect of Placement of Urea on Germination of Wheat Oats, Barley, Linseed and Rape. ·

Fertility Build-Up In Wheatbelt Soils, M D. Carroll

Experimental Summaries - Plant Research

Areas of loamy sand from Wongan Hills Research Station, which had carried subterranean clover for varying numbers of years, were sampled at five depth intervals to 60 cm. Wheat yield and a range of soil properties were related to numbers of years under subterranean clover. (W56H)

List Of Registered Fertilisers : 1960-61, H G. Cariss

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

IN accordance with the provisions of the Fertilisers Act, 1928-1955, it is required 1 that—with the exception of bulk sales to a manufacturer and those made in accordance with a buyer's written prescription—all fertilisers sold are required to be registered annually, the registration year being from November 1 to October 31 following.

The list of fertilisers registered for the year commencing November 1, 1960, is set out herewith in tabular form.

Fertilisers, H G. Cariss

Journal of the Department of Agriculture, Western Australia, Series 3

The Fertilisers Act, 1928, requires that all fertilisers sold in this State be registered annually with the Department of Agriculture. A list of fertilisers registered for the year commencing 1st November, 1952, showing the registered brand and name and registered analysis, together with the person or firm by whom the fertiliser is registered and the price of the fertiliser at the time of registration appears in this issue.

Applying Orchard Fertiliser A Handy Home-Made Aid, H S. Argyle

Journal of the Department of Agriculture, Western Australia, Series 3

Fertilisers such as sulphate of ammonia and nitrate of soda, being rich in nitrogen are used extensively by orchardists and market gardeners. Both these compounds are readily soluble in water and are easily carried through the soil to the rooting areas of plants and trees.

Fertiliser Registrations

Journal of the Department of Agriculture, Western Australia, Series 3

The following Fertilisers have been registered at the Department of Agriculture under the Fertilisers Act 1928, for the year commencing 1st November, 1951.