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- Western Australia (9)
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Articles 1 - 14 of 14
Full-Text Articles in Life Sciences
Wheat Yield Potential And Land Management Constraints In The South West Of Western Australia, Dennis Van Gool
Wheat Yield Potential And Land Management Constraints In The South West Of Western Australia, Dennis Van Gool
Resource management technical reports
This report provides the underpinning information to help improve the long term profitability of wheat cropping. It documents the realistic potential yield of the 18 million hectares of agricultural land in the South West of Western Australia and the gap between this potential and the actual yields, based on shire averages. This report also summarises major land management constraints that limit the yield potential. This information can be used to aid strategic planning at different levels, for example state, shire and, with care, as a starting point for farm planning.
Crop Irrigation Requirement Program, P M. Aylmore, G J. Luke, E J. Hauck
Crop Irrigation Requirement Program, P M. Aylmore, G J. Luke, E J. Hauck
Resource management technical reports
This program was written as an aid for predicting the irrigation requirements of annual and perennial crops grown in different regions of Western Australia. The program can also be used as a guide for estimating irrigation requirements under different management strategies or for groundwater allocation.
No-Tillage Seeders And Their Adoption In North America With Relevance To Western Australia, J K. Bligh
No-Tillage Seeders And Their Adoption In North America With Relevance To Western Australia, J K. Bligh
Resource management technical reports
The adoption of no-tillage seeders appears generally to be at a similar stage in North America as in Western Australia. One notable difference is the communication provided by several no-tillage farmers organisations, such as the Manitoba-North Dakota Zero Tillage Farmers Association. Since almost all development of no-tillage systems has been carried out by farmers, such associations have proven invaluable in directly providing communication with their peers.
Transpiration And Water Relations Of Irrigated Peach Trees At Manjimup, Western Australia, P R. Green
Transpiration And Water Relations Of Irrigated Peach Trees At Manjimup, Western Australia, P R. Green
Resource management technical reports
No abstract provided.
Toward Better Minimum Tillage For South-Coastal Sandplain Soils, W L. Crabtree
Toward Better Minimum Tillage For South-Coastal Sandplain Soils, W L. Crabtree
Resource management technical reports
Seventeen farmers compared their conventional cropping practices with some form of minimum tillage cropping. The minimum tilled crops yielded 21 percent less grain than the conventionally sown crops. The reasons for these decreased yields were in most cases related to inexperienced management. The minimum tilled treatments usually had very poor weed kill strategies which often resulted in large weeds at sowing, very cloddy seed-beds, and numerous insects in the young crops.
Costs Of Alternative Irrigation Systems For Vegetable Crops, G J. Luke, T C. Calder
Costs Of Alternative Irrigation Systems For Vegetable Crops, G J. Luke, T C. Calder
Resource management technical reports
No abstract provided.
Water Erosion On Vegetable Growing Land In South Western Australia, D J. Mcfarlane, N D. Delroy, H V. Gratte, J P. Middlemas, A M E Van Vreeswyk, I Mckissock
Water Erosion On Vegetable Growing Land In South Western Australia, D J. Mcfarlane, N D. Delroy, H V. Gratte, J P. Middlemas, A M E Van Vreeswyk, I Mckissock
Resource management technical reports
The most serious erosion was found to be occurring in the Donnybrook area due to a combination of erosive winter rainfall, steep slopes and erodible soils. The most serious erosion was found to occur when storm runoff entered the vegetable plots from above, providing a transporting medium for the cultivated soil. A predictive model of erosion showed that soil texture, furrow slope, plot length, rainfall erosivity and canopy cover were significant factors affecting soil loss.
A Review Of Machinery For Cropping With Reduced Water Erosion, K J. Bligh
A Review Of Machinery For Cropping With Reduced Water Erosion, K J. Bligh
Resource management technical reports
No abstract provided.
Direct Seeding Trees On Farmland In The Western Australian Wheatbelt, J P. Piggott, P H. Brown, M M. Williams
Direct Seeding Trees On Farmland In The Western Australian Wheatbelt, J P. Piggott, P H. Brown, M M. Williams
Resource management technical reports
Field and nursery experiments were conducted to determine suitable species, weed control methods, sowing times and seeding techniques. Sowing time was the most significant variable evident in the field experiments. Trees sown in the winter months of June and July out-performed later sowing times. Early sowing of trees in areas of low seasonal rainfall appears to offer considerable advantages for successful establishment over late sowing.
Evaluation Of Risk Factors Leading To Soil Destabilisation On The South Coastal Sandplain Of Western Australia, R V R Gwynn, P A. Findlater, J R. Edwards
Evaluation Of Risk Factors Leading To Soil Destabilisation On The South Coastal Sandplain Of Western Australia, R V R Gwynn, P A. Findlater, J R. Edwards
Resource management technical reports
The problems of wind erosion in part of the south coast of Western Australian sandplain area were described previously (Gorddard et al, 1981) with 7.3 per cent of cleared and 18.3 per cent of the cropped area showing evidence of sand blasting. Department of Agriculture trials have shown that the loss of the top four millimetres of top soil from pastured paddocks can reduce following crop yields by up to 20 per cent (Marsh and Carter, 1983). Animal production problems associated with wind erosion of soils have not been quantified, but a number of problems such as reduced carrying capacity …
Water Use By Some Crops And Pastures In The Southern Agricultural Areas Of Western Australia, R A. Nulsen, I N. Baxter
Water Use By Some Crops And Pastures In The Southern Agricultural Areas Of Western Australia, R A. Nulsen, I N. Baxter
Resource management technical reports
No abstract provided.
The Economics Of Saltland Agronomy, John S. Salerian, Clive Malcolm, Eddie Pol
The Economics Of Saltland Agronomy, John S. Salerian, Clive Malcolm, Eddie Pol
Resource management technical reports
No abstract provided.
Camballin Irrigation Area : A Summary Of Cropping And Pasture Studies 1958-1970, Phongsak Yuhun
Camballin Irrigation Area : A Summary Of Cropping And Pasture Studies 1958-1970, Phongsak Yuhun
Resource management technical reports
The Camballin Irrigation Area was the first large scale rice growing area in Western Australia. It was hoped Camballin would develop into a highly productive irrigation area. The Department of Agriculture was directly involved in the area between 1958 and 1970. The report summarizes the research carried out during the period which paralleled the commercial operation. The trials were designed to solve the specific cropping problems encountered over the period.
Water Erosion On Potato Land During The 1983 Growing Season Donnybrook, D J. Mcfarlane
Water Erosion On Potato Land During The 1983 Growing Season Donnybrook, D J. Mcfarlane
Resource management technical reports
Soil losses over a three month period varied from 10 to 49 mm.. Soil loss was most highly correlated with length of slope of the plots. Other important factors appeared to be slope angle and soil textures. Grade furrows appear to be the best method of breaking-up long slope lengths. The low capacity of the furrows requires them to be on grades of about 4 to 4 per cent to prevent siltation and overtopping during high density storms.