Micronutrient levels in pastures established in the north-east of Portugal
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abstract
In this study we evaluate the effects of six types of fertilization: no fertilizer, lime, manure,
lime + phosphorus, lime + phosphorus + boron and manure + inorganic fertilizer; and two
types of pasture: spontaneous vegetation and sown pasture, on soil pH and micronutrient
concentrations in herbage of pastures established in the NE of Portugal. The results showed
that there were higher levels of Cu in the fertilizer treatments that promoted legumes. The 'nofertilizer'
treatment and inorganic fertilization with lime increased the percentage of grasses in
the swards and herbage Mn levels.
