SACE Stage 2 Agricultural Systems case studies
SACE Stage 2 Agricultural Systems · Put your knowledge to work in context.
SACE Stage 2 Agricultural Systems is a South Australian Certificate of Education subject at Stage 2 (Year 12) level, listed by the SACE Board among its Stage 2 subjects. It suits students interested in how agricultural enterprises work as systems - how production decisions, resource use, environmental care and business management interact. The SACE Stage 2 Agricultural Systems case studies are 5 cases and about 3,172 words.
1Frost Window and Sowing Date on the Northern Adelaide Plains
A 240-hectare mixed farm near Mallala grows wheat and canola in rotation. The manager has three seasons of yield data and local frost records.
643 words, about 3 min2Nitrogen Rate on Irrigated Potatoes with a Leaching Risk
A grower near Virginia irrigates 40 hectares of potatoes under centre pivot on sandy soil with low water-holding capacity. The crop is at 30 days after planting and the agronomist has recommended 220 kg N/ha in total.
644 words, about 3 min3Groundwater Salinity and a Perennial Pasture Decision
A 600-hectare grazing property in the South East has rising water tables under 180 hectares of annual pasture. Bore readings show groundwater at 1.8 m depth with an electrical conductivity of 9 dS/m, and the pasture on the lowest ground is thinning with salt-tolerant weeds appearing.
655 words, about 3 min4Automatic Milking: Labour Saving Versus Cow Health
A 320-cow dairy farm milks twice daily in a 20-year-old herringbone shed and employs two full-time and two part-time staff. The owner is considering a voluntary automatic milking system with three robots.
609 words, about 3 min5Variable-Rate Phosphorus on a Leased Block
A grower leases 500 hectares of cropping land on a five-year lease and has soil test data showing Colwell phosphorus ranging from 8 to 34 mg/kg across the block. The low-testing areas are on rises with a history of erosion; the high-testing areas are near the old sheep yards.
621 words, about 3 min