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STARTER P REQUIREMENTS - DOES ROW SPACING MATTER AND DO FLUIDS HAVE A BENEFIT?
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The trial consisted of a comparison between 2 wheat and 2 barley varieties, grown either at 15 or 30 cm row spacing's with 4 rates of either granular MAP or liquid P fertiliser - in this case ammoniated phosphoric acid (Easy NP )... Trials were sown to Crusader wheat, at 30 and 40 cm row spacing with 6 rates of P as granular MAP or ammoniated phosphoric acid (Easy NP )... Liquid vs. granular fertilisers Trials conducted by NSW DPI and Incitec-Pivot Ltd in 2004 under high yield potential on the Liverpool Plains compared wheat responses between liquid starter fertilisers (Easy NP and DAP-H2SO4) and granular products (DAP and MAP)...
Broadacre Field Crops DAFF QLD
Toward a Better P Nutrition Package: Diagnosing P Status and Application Strategies to Improve Fertiliser Response