Agronomy and Crop Sciences Commons^™

Primary Industries Development Research Highlights 2021, Department Of Primary Industries And Regional Development, Tim Scanlon

Books & book chapters

The Primary Industries Development Research Highlights 2021 showcases the breadth and depth of the Department of Primary Industries and Regional Development’s research and development activities over the past several years.

Stories featured in Research Highlights 2021 stem from about 60 (of 140) current and recently-completed projects undertaken by the Department of Primary Industries and Regional Development’s (DPIRD) 1100 scientists, technical experts and economists throughout the State.

Explore our Research Highlights 2021.

The publication demonstrates the innovative and applicable research that DPIRD and its collaborators and investment partners deliver to Western Australia.

Download the Research Highlights 2021 here. Alternatively, …

Long Term Effects Of Direct Drilling And Conventional Cultivation On The Distribution Of Nutrients And Organic C In Soils Of South Western Australia, P F. White, R K. Belford, A D. Robson, N D. Delroy, R J. Jarvis

Division of Plant Research : Technical Report Series

This experiment was part of a long term tillage trial designed to examine the effect of various tillage systems on the yield of wheat on a range of agricultural soils in Western Australia. A subset of results from the main experiment is presented here.This report describes the distribution of extractable P, extractable K, total N, organic C, and pH at 6 depths in the soil from 6 locations; Wongan Hills, Merredin (H) (calcic, red-brown earth), Avondale, Merredin (L) (acid, yellow earth), Esperance and Mt Barker. Three tillage systems (conventional cultivation, direct drilled with a combine, direct drilled with a triple …

Evalution Of Grain Legumes For Wheatbelt Rotations In Western Australia 1986 -1987, G H. Walton

Division of Plant Research : Technical Report Series

Conclusions about the geographic and climatic limitations to the economic production of some pulse species in Western Australia cannot be too definite after only two years of gathering data. The yield results confirm the superior adaptation of field pea and narrow-leaf lupin over the faba bean, chickpea, narbonne bean and lentil. In 1987, a relationship was found within specific crop cultivars / accessions, between seed yield and the spring (September + October) rainfall. It is expected that soil type will influence the yield response through variations in moisture retention capacity, fertility and root penetration. Any relationship between yield and environmental …

The Esperance Rotation Trial, Effect Of Rotations On Crop Yields And Soil Fertility, I C. Rowland

Division of Plant Research : Technical Report Series

This report sets out and summarises data from the Esperance rotation trial.This long-term trial, situated on the Esperance Downs Research Station, looks at various aspects of rotations based on subterranean clover pasture with cereals or sweet lupins as a crop. Data included are yields of the crops both grain and dry matter at anthesis or mid-pod fill also nitrogen content at these two times; pasture production and composition in Spring; clover seed production; weed counts in the crop; soil measurements of total soil nitrogen,organic carbon, mineral nitrogen, pH and extractable potassium are done at thestart of each season.The trial, on …

Harvesting Methods In South Coastal, High Rainfall Crops, Richard Snowball

Division of Plant Research : Technical Report Series

Results of trials carried out in south-western Australia over the past three years have shown that swathing or windrowing cereal and legume crops can result in significant advantages to growers.Swathing barley, wheat and oat crops at Mt. Barker resulted in large yield advantages over direct harvesting of standing crops. This was a result of overcoming shedding losses in the standing crop caused by strong wind and rain. Grain quality of barley and oats was not significantly affected by swathing, however, the quality of swathed wheat was sometimes worse than direct harvested grain if the harvest was delayed.Swathing cereals at Newdegate …

Nitrogen Fertiliser Use For Cereal Hay Production, M G. Mason

Division of Plant Research : Technical Report Series

Aspects of the effect of nitrogen fertilizers on cereal hay production in twenty-one experiments carried out over eight seasons were investigated.Areas investigated include the effects of rate and time of application of nitrogen fertilizer, sowing rate, date of sowing, crop species and variety and time of cutting on cereal hay yield, nitrogen content and digestibility.Response to nitrogen fertilizers in hay and grain production varied but profitable responses were more common, and optimum rates were higher for hay than for grain. Average optimum rates for hay were 51 to 88 kg nitrogenha-1 and for grain 0 to 44 kg nitrogen ha-1. …