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Clay tests vital in setting up soil productivity this summer
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Clay tests vital in setting up soil productivity this summer.. DAFWA senior research officer at Esperance David Hall says claying increased crop yields in all years of the Dalyup trial, even in those seasons when there were no differences in crop establishment between clay and non-clay treatment... Mr Hall says there was a positive economic response from incorporating clay at all rates used in the long term Dalyup trials, but it took six or seven years to generate a return from the lowest rates of 50t/ha and 100t/ha...
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