About Us Welcome to Morvenvale – a grain and cotton farm located between Walgett and Collarenebri on the North Western Plains of New South Wales, Australia. Owned and operated by David and Sue Ricardo. We are zero till farmers cropping 5000ha on 475mm (19 inch) annual rainfall. We grow a mixture of crops in rotation. Cotton, wheat, barley, chickpeas and fababeans are our main crops with some canola too. Our soils are susceptable to compaction. 3 metre tramlines and a no stock policy help. Above all – we love our stubble. Ground cover is king when it comes to storing moisture and keeping it as near to the surface as possible.