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Brassica Reference Manual - Agricom

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4. <strong>Brassica</strong> Crop Husbandry<br />

4.2 Winter gross margin comparison per hectare<br />

Gross Margin Analysis: Winfred Forage <strong>Brassica</strong> Vs Coolabah Oats<br />

Cattle Grazing - Steers Rate Income Oats<br />

<strong>Brassica</strong><br />

A. Oats + hay 6000kg/dm/ha @ 70% utilisation<br />

4200 kgDM per ha / 8kg per head per day = 525 steer grazing days<br />

525 grazing days / 150 days = 3.5 steers/ha<br />

Gross Return = 3.5 steers/ha x 1kg/head/day x 150 grazing days x $2.00/kg<br />

B. <strong>Brassica</strong> + hay 8000kg/dm/ha @ 70% utilisation<br />

5600 kgDM per ha / 7kg per head per day = 800 steer grazing days<br />

800 grazing days / 150 days = 5.3 steers/ha<br />

Gross Return = 5.3 steers/ha x 1kg/head/day x 150 grazing days x $2.00/kg<br />

525 2 1050<br />

795 2 1590<br />

Total Income $/ha 1050 1590<br />

Variable Costs Rate Cost $/ha $/ha<br />

Glyphosate 0.8L/ha $13.00/L + $6.50/ha 17 17<br />

Cultivation 0.17hrs/ha $50/hour 9 9<br />

Sowing 0.20hrs/ha $55/hour 11 11<br />

Gaucho Treated Winfred Seed 4kg/ha $10/kg 44<br />

Graded Coolabah Oats Seed 80kg/ha $0.80/kg 64<br />

Fertiliser (DAP) 125kg/ha $1400/t 175 175<br />

Urea 100kg/ha $700/t 70 70<br />

Insecticide (Fastac) 0.3L/ha $9/L 3 6<br />

Grass Weed Control (Glean) 20g/ha $0.10/g + $6.50/ha 9<br />

Grass Weed Control (Trifluralin) 1L/ha $7.00/L + $6.50/ha 14<br />

Broadleaf Weed Control (MCPA 750) 0.7L/ha $10.50/L + $6.50/ha 14<br />

Broadleaf Weed Control (Lontrel) 0.3L/ha $49/L + $6.50/ha 21<br />

Vaccine (6 in 1) 8-16ml/ha $0.60/head 2 3<br />

Drench (Genesis) 40-80ml/ha $2/head 4 8<br />

Pasture Hay (2kg per head on oats, 3kg per head on brassica) 2 - 3kg/head/day $0.18/kg/dm 189 429<br />

Total Variable Costs $/ha 567 807<br />

Gross Margin (Income - Variable Costs) $/ha $483.00 $783.00<br />

Gross Margin Analysis: Winfred Forage <strong>Brassica</strong> Vs Canola<br />

Sheep Grazing - Lambs<br />

<strong>Brassica</strong><br />

A. 6000kg/dm/ha @ 70% utilisation<br />

4200 kgDM per ha / 1.5kg per head per day = 2800 sheep grazing days<br />

2800 grazing days / 150 days = 19 lambs/ha<br />

Rate Income Canola<br />

Gross Return = 19 lambs/ha x 0.25kg/head/day x 150 grazing days x $1.80/kg<br />

713 1.8 1283<br />

B. Short Fallow Canola Yields 1.8t/ha<br />

$600/t on farm<br />

1800 0.6 1080<br />

Total Income $/ha 1080 1283<br />

Variable Costs Rate Cost $/ha $/ha<br />

Glyphosate 0.8L/ha $13.00/L + $6.50/ha 17 17<br />

Cultivation 0.17hrs/ha $50/hour 9 9<br />

Sowing 0.20hrs/ha $55/hour 11 11<br />

Canola Gaucho Treated Seed 3kg/ha $15/kg 45<br />

Winfred Gaucho Treated Seed 4kg/ha $10/kg 40<br />

Fertiliser (DAP) 125kg/ha $1400/t 175 175<br />

Urea 100kg/ha $700/t 70 70<br />

Insecticide (Fastac) 0.3L/ha $9/L 6 6<br />

Grass Weed Control (Trifluralin) 1L/ha $7.00/g + $6.50/ha 14 14<br />

Broadleaf Weed Control (Lontrel) 0.3L/ha $58/L + $6.50/ha 23 23<br />

Insect Control (Fastac) 0.3L $9/L + $15 18<br />

Vaccine (6 in 1) 46ml/ha $0.25/head 6<br />

Drench (Genesis) 184ml/ha $0.13/head 3<br />

Contract Windrowing & Harvesting 85<br />

Crop Levies & Insurance 40<br />

Total Variable Costs $/ha 513 374<br />

Gross Margin (Income - Variable Costs) $/ha $567.00 $909.00<br />

24<br />

4. BRASSICA CROP<br />

HUSBANDRY

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