Author: Roger Armstrong, Ehsan Tavakkoli
2 results found:-
Time for fertiliser calculation reboot
Author: Professor Mike Bell, Dr Nigel Wilhelm, Dr Roger Armstrong, Dr Ehsan Tavakkoli, Dr David Lester and Sjaan Davey, 2020-11-30T00:00:00+11:00A switch to no-till farming means relatively immobile nutrients such as phosphorus and potassium are often restricted to the top few centimetres. Existing soil testing guidelines may not be adequate to reflect the limited ability of roots to access these nutrients under dry conditions.
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Controlled-environment and extensive trials provide insights into amelioration processes for sodic subsoils
Author: Roger Armstrong, Ehsan Tavakkoli, 2020-02-28T00:00:00+11:00Multi-agency research team unravels the effects of amendments on sodic soils.