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Andy and Georgie Carrigan, Boggabri, NSW.
The Properties “Milchengowie” and “Dia-Lyn” are adjoining and located close to the Namoi River. Water is drawn from Bores and a River Licence.
Farm Overview:
Questions: Listen to Carrigan1.mp3 and answer the following questions.
- What are the crops that are now grown.
- How long has chickpeas been grown
- What are the main changes that have taken place in water availability?
- How has government water policy effected the farm.
- Why did Carrigans lose more of their allocation than their neighbour?
- What organisations monitor water use?
Farm Design
- Listen to Carrigan2.mp3 and answer the following questions
- All irrigated fields collect tail water and surface rainfall and return it to the main storage. Why was this originally introduced?
- What benefits has this provided for the farm
Environmental sustainability.
- Listen to Carrigan3.mp3 and answer the following questions
- What are the main reasons for less spraying in the cotton crop.
- What are the main options available when growing GM BollGuard Cotton for resistance management
- (THINK) Has the use of GM in Cotton had positive or negative impacts, Discuss your reasons
Water Efficiency
- Listen to Carrigan4.mp3 and answer the following questions
- Why is overhead or lateral move irrigation not suited to the farm.
- What are the main limiting factors to production.
- How has the farmer responded in area sown to cotton as a result of the reduced water availability
Locate Milchengowie on Google Earth using the file milchengowie.kmz
Look at the photo
 - What factors would effect the rate of flow through the syphon from the head ditch (channel) to the field?
- What would labour cost be like using this system?
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