Sulphur sources and doses effect in the wheat culture (Triticum aestivum L.)

Responses of coffee (Coffea arabica L. cv. Catuaí) to the mineral and organic fertilization...

Estudos sobre o aproveitamento de novos fertilizantes portadores de cálcio e enx...

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Effects of nutrients and amendments on aluminum and manganese induced toxicities...

A survey of sugar cane fields in Piracicaba, São Paulo, by foliar analysis