Silvia Aparecida Martim

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Besides general effect of organic residues on soil quality and plant crop, hormonal direct effect on plant growth by extracted humic acids of organic materials is interesting and profitable theme. In the present work, we studied on direct interaction between humic acid and root growth, depending on different origin of organic materials. All extracted humic(More)
The use of plants for healing diseases is one of the oldest medical practices and there are several studies showing that botany and medicine are related. Recent researches have shown that around 25% of new chemical entities and 42% of anticancer drugs marketed worldwide from 1981 to 2006 are obtained from natural products and their derivatives. One-third of(More)
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