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soil factor

Catalogue: GRDC Updates
The BettaCrop database currently has information for over 10,000 paddocks and includes over 120 current growers across northern, central and southern areas of NSW. Analysis of the database is conducted each year and is able to provide comparisons of various agronomic and management factors that contribute to achieving high water use efficiency (WUE)... The project commenced in July 2008, and will examine the effects of management practices on WUE. Soil water characteristics will be determined and WUE will be calculated and modelled for the growing season... Passioura & Angus also state that tactical management has the potential to increase yields in favourable seasons with little effect on yields in poor seasons...
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Catalogue: GRDC Updates
Take home message Lodging creates a major challenge for plant breeders because of the trade off between lodging resistance and grain yield potential... The stay-green trait can have a significant effect in reducing the occurrence of lodging... The importance of pathogens on lodging and any build-up that may occur under continuous sorghum cultivation is unclear and needs more research...
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Catalogue: GRDC Updates
The early research also showed that in dry environments the changes in total soil-N were equal to the N removed in crops, but in wetter environments there was more loss of soil N than removal of crop N, probably because of loss of soil N due to denitrification... Many of the long-term experiments discussed earlier showed that introducing pastures into the rotation stabilised the soil total N... Nitrogen balance and gross margin estimated for farms in southern NSW (Angus and Peoples (2012)...
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