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QUESTION 7 Commercial fishing from native fisheries must be sustainable to continue. The graph shows the commercial catch of a marine species from a native fishery measured in tonnes (t) from 2008 to the end of 2017. — f= — E es €¢ 2 8 8 & & Commercial catch (t} oo as 700 60M AS MCCS ‘Year Which of the following options represents the approximate average annual decrease in commercial catch between the start of 2008 and end of 2017? (A) 41 tonnes (B) 55 tonnes (C) 65 tonnes (D) 72 tonnes
QUESTION 8 The table shows the annual sources of income from the sale of animals for a fat lamb enterprise. Price per head Cartage (%) Determine the gross annual income of the enterprise. (A) $52560 (B) $77235 (C) $84 465 (D) $85 485
QUESTION 10 The table shows catalogue EBV information for two rams of the same breed at a sale. Litter 8-week | Maternal Scan Muscle | Fat depth size weight Se depth Ram 1EBV | 0.30 | 4.39 ke | 0.02 kg | 10.36 kg | | 5.1mm | | 051mm | ete | ee Aonowf «| * |» |» | | 9 | 2 Ram | would be the preferred sire for a producer to use if they wanted to breed better ewes and finish lambs over a longer period because (A) Ram 1 has a higher maternal EBV than Ram 2. (B) Ram | has higher muscle and fat depth EBVs than Ram 2. (C) lambs will still have a respectable growth rate compared to lambs produced from Ram 2. (D) ewe lambs retained for breeding would produce more lambs and grade better at slaughter.
QUESTION 17 An experiment was conducted to compare the effects of different fertiliser treatments on the fruit yield of apple trees. Each fertiliser treatment was made up of a base of nitrogen phosphorus and potassium (NPK) and a combination of mineral or organic material. The table shows the mean values + confidence interval (CI) at 95% level. Fertiliser treatment Yield per tree (kg) NPK + zeolite 22.6 + 0.6 NPK + cattle manure 237+04 NPK + chicken manure 235+0.3 NPK + zeolite + cattle manure | 21.0 + 1.0 The conclusion supported by the data is (A) NPK + cattle manure significantly increased yield per tree compared with NPK + zeolite. (B) NPK + chicken manure significantly increased yield per tree compared with NPK + cattle manure. (C) NPK + zeolite + cattle manure significantly increased yield per tree compared with NPK + chicken manure. (D) NPK + cattle manure significantly increased yield per tree compared with the other fertiliser treatments.
QUESTION 29 (4 marks) The table shows data from a greenhouse trial which was conducted to compare hydroponic and soil-grown strawberries. Mean mass of individual berries + SD (g) 5.4 + 3.0 71 43.7 Water use (L) 1363 1968 Analyse the data to determine the best growing medium for strawberries in a market in which the price per kg is 10% higher for hydroponically grown strawberries.
QUESTION 1 (4 marks) The table shows average Angus herd EBVs for live weight (kg) from 2015 to 2017. a) Determine the change in average 600-day weight from 2015 to 2017. b) Ifthe data trends in the table continue draw conclusions about the impact on the Angus breed into the future. [1 mark] [3 marks]
QUESTION 4 (4 marks) The table shows the results of an experiment that compared varieties of canola for oil production and yield. The current base price for canola is $592 per tonne. A 1.5% premium is paid for every 1% of oil content above 42%. A 1.5% discount 1s applied for every 1% of oil content below 41%. Variety 1 | Variety 2 | Variety 3 Ciena Vi ha Draw a conclusion about which canola variety should be selected for commercial production. Show your working.
QUESTION 13 The table shows an excerpt of income and variable costs from a merino enterprise. Budget ($) icone Wool harvesting and selling Shearing Calculate the gross margin for the enterprise. (A) -$77663 (B) $60444 (C) $77663 (D) $137589
QUESTION 26 (7 marks) A producer is developing a cropping plan for next summer. They are considering whether they should plant peanuts or lucerne. Peanuts Budget ($/ha) Income Jumbo (2.5 t/ha @ $1200/t) Ones (0.5 t/ha @ $1000/t) Splits (0.25 t/ha @ $900/t) Total income Variable costs Fallow management Planting 313 Plant protection 129 360 Harvesting 241 Total variable costs Lucerne Budget ($/ha) Variable costs Fallow management Plant nutrition Plant protection 8 Irrigation 630 Total variable costs a) Determine the values for the cells marked X Y and Z in the tables. X: Y: Z: b) Use the data in the tables to identify which crop the producer should plant. Provide reasoning for your decision. [3 marks] [4 marks]
QUESTION 5 Determine the total variable expenses in the table. (A) $93 152 (B) $103 152 (C) $107941 (D) $136028 QUESTIONS 4-5 These questions refer to the data in the table which shows selected expenses for a merino enterprise. Expenses $ Depreciation 32 876 Seed 9456 Fertiliser 23 657 Harvesting 14690 Rates 4789 Mustering 10 000 Vaccines 17 800 Shearing 27549 Loan repayments 36 155 Total farm expenses 176972
QUESTION 6 The table shows estimated breeding values for live weight gain and reproductive characteristics for a sample of bulls. Identify which bull a producer should buy to sell two-year-old steers earlier at the minimum market live weight and improve female fertility. | Bull | 400-day weight 600-day weight Scrotal size Days to calving (A) +46 +57
QUESTION 20 The table shows the gross margin for a dairy enterprise that runs 300 cows on 120 hectares. Gross income $890 000 Variable cost $650 000 Gross margin $240 000 Identify the change of input that would cause the greatest effect on gross margin for the enterprise. (A) fertiliser costs increasing from $120/ha to $165/ha (B) animal health costs increasing from $60/cow to $85/cow (C) fixed cost of labour increasing from $120 000 to $130 000 (D) council rates increasing from $45 000 per year to $65 000 per year
QUESTION 3 (4 marks) The graph shows the yield of five wheat varieties grown under differing levels of salinity. Bars represent 3-year mean grain yield values along with standard error. a) b) Yield (kg/ha) Key |_] slightly saline Wheat variety moderately saline WH strongly saline Contrast the levels of uncertainty in the data collected from moderately and strongly saline soils. Show your reasoning using evidence from the graph. Infer whether variety | is the best option to plant in strongly saline soils. Justify your answer using evidence from the graph. [2 marks] [2 marks]
QUESTION 19 A cash flow statement for a farm was recorded for a three-month period. July 15 600 8231 August 3000 4122 [I September 13 432 1000 ee Calculate the September balance. (A) $1000 (B) $6185 (C) $13 616 (D) $18679
QUESTION 12 The most effective method of comparing the profitability of an alternative enterprise to an existing one is a (A) _ partial budget. (B) cash flow budget. (C) whole-farm budget. (D) gross margin budget.
QUESTION 22 (4 marks) A producer undertook a comparison of gross margins to help them decide between planting dryland sorghum or dryland sunflowers. a) Complete the table below. [2 marks] Dryland sorghum Dryland sunflowers Yield t/ha Income $/t Total income $/ha Variable costs $/ha Sowing 35.15 48.71 Fertiliser and application Herbicide and application Insecticide and application Harvesting Levies and insurance Total variable cost $/ha Gross margin $/ha Note: If you make a mistake in the table cancel it by ruling a single diagonal line through your work and use the additional table on page 13 of this question and response book. b) Which crop should the producer plant? Give a reason for your decision. [2 marks]
QUESTION 6 (6 marks) An investigation was conducted to test the effect of planting density on the growth of sunflowers. A trial was conducted where five treatments each with three replications were tested: one plant (control) two plants four plants six plants and eight plants per 300 mm pot. Each week the average height for each treatment was calculated and recorded. The results are shown in the table below. Note: The recommended planting rate for sunflowers is equivalent to one plant per pot. Average height (cm) onal) Two plants Four plants Six plants Eight plants a) Determine the average growth rates for the control treatment and sunflowers in the eight-plant treatment from Day 7 to Day 35. (Round your answers to | decimal place.) [2 marks] Average growth rate for control treatment = b) Contrast the data for all treatment groups at Day 7 with Day 35. [2 marks] c) Explain two reasons for why plant density affects plant growth. [2 marks]
QUESTION 7 (4 marks) The table below contains live weight and carcass estimated breeding values (EBV) data for a selection of sires from a British breed catalogue. ef pw | a) Use the data to decide which bull a buyer should purchase if they wish to sell steers to the local domestic market and have been advised to e increase size and growth to 14 months e reduce fatness e maintain or improve muscularity e improve marbling. [1 mark] Bull purchased = b) Justify your decision. [3 marks]
QUESTION 9 (6 marks) The graph shows the impact of nitrogen (N) fertiliser application on wheat yield N losses due to leaching and estimated grain nitrogen use efficiency (NUE). 10 60 ? M-- mT M---- LL x Z a 50 = 8 © Q E 40 & = 6 ey = / > 1) ae be) 5 5 Ma 30 Ps 8 4 y Z = 3 a 20 : 24 pt a 0 0 0 48 96 144 192 240 288 N fertiliser applied (kg N/ha/yr) Key —e— NUE --*-- Wheat yield |__] N leached a) Identify the mass of N applied to achieve the highest wheat yield per hectare. [1 mark] b) Describe the trend between the level of N fertiliser applied and NUE. [2 marks] c) Draw aconclusion about the optimal level of N fertiliser for wheat production. Justify your conclusion using two pieces of evidence from the graph. [3 marks]
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