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annual investment return

Catalogue: Ground Cover
Subsoil manuring drives up HRZ profits.. Pros: crop yields are increased; rainfall capture and use can be improved; effects are long-lasting - four years or sometimes more; and savings can be made on nitrogen fertiliser... Yield increases in the trial ranged from 2 to 5t/ha in wheat and 1 to 2t/ha in canola, at the full manure application rate and where a successful crop was established (see Table 1 )...
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