Distribution of phosphorus fractions in a Brazilian Oxisol under different tillage systems von Selles, F., Kochhann, R.A., Denardin, J.E., Zentner, R.P., Faganello, A.

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Effect of management systems in soil physical attributes von Spera, S.T, Santos, H.P. dos, Tomm, G.O, Kochhann, R.A

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Effect of management systems in soil chemical attributes von Tomm, G.O, Santos, H.P. dos, Spera, S.T, Kochhann, R.A

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The effect of fallow periods on common root rot of wheat in Rio Grande do Sul, Brazil [Cochliobolus sativus and other fungal pathogens, Triticum aestivum, effect of winter fallow o... von Diehl, J. A.

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