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Catalogue: GRDC Factsheets
Other measurements that aid the interpretation of soil nutrient tests include soil pH, percentage of gravel in the soil, soil carbon/organic matter content, P sorption capacity [currently measured as Phosphorus Buffering index (PBi)], electrical conductivity, chloride and exchangeable cations (CeC) including aluminium... for canola the critical value measured in the 0 to 10cm soil layer is 44mg K/kg for all soils to achieve 90 per cent of maximum yield... The critical wheat soil S test value measured in the 0 to 30 cm soil layer is 4.6mg S/kg for all soils to achieve 90 per_cent of maximum yield...
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Catalogue: NVT Online Papers
The research has been conducted across regional Victoria to determine if new and existing varieties of barley vary in tolerance to commonly used herbicides... All pesticide applications must accord with the currently registered label for that particular pesticide, crop, pest and region... It must be emphasised that crop tolerance and yield responses to herbicides are strongly influenced by seasonal conditions...
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Catalogue: GRDC Factsheets
Water testing should be done on a regular basis when using bore water, water from streams and rivers, reticulated (piped) water sourced from ground water, and water stored in unlined dams or concrete tanks... While pH levels and total hardness can be assessed in the field using water test strips or simple titrations (jar tests), other measurements will typically require laboratory analysis... Salinity is usually measured as the electrical conductivity (eC) of the water...
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