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Report Card On Sustainable Natural Resource Use In Agriculture, Robert Summers, David Weaver
Report Card On Sustainable Natural Resource Use In Agriculture, Robert Summers, David Weaver
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Condition and trend Nutrients, such as phosphorus (P), are essential for profitable agriculture in the south-west of WA; however, excess P – more than is required for optimal production – is stored in many agricultural soils. On average, pasture soils and arable soils contain 1.3 times and 1.6 times respectively, as much P as is required for optimal production. Production in P-enriched soils is more likely to be constrained by soil acidity (50–60% of pasture and arable soils), potassium (K) (50% of pasture soils and less than 10% of arable soils), and sulphur (S) (30% of pasture soils). Management implications …
Fresh Thinking 2013-2050, Victor Fazakerley, David Windsor
Fresh Thinking 2013-2050, Victor Fazakerley, David Windsor
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The purpose of this report is to: • provide information on current production of a key group of fruit and vegetables grown in Western Australia and the amounts consumed, some of which are imported; • estimate how much of these fresh fruit and vegetables will be required to meet WA’s demand in 2025 and 2050; • estimate the water and land resource required to grow these fruit and vegetables under current production systems and project the demand for these resources to 2025 and 2050; and • consider the competitiveness of various fruit and vegetable industries and their capacity to meet …