Peranan pupuk menjadi vital bagi perkembangan pertanian menuju swasembada pangan.
Namun demikian aplikasi pupuk belum dilakukan secara efektif dan efisien dimana jenis …

Fertilization is an important cause of groundwater contamination with nitrate in agricultural
soils. The objectives of the present work were:(i) to quantify the nitrate leaching in two …

No sistema de plantio convencional, a prática anual de revolvimento do solo provoca
alterações nas propriedades físicas, como diminuição da porosidade, modificação da …

An experimental facility was designed to study simultaneously soil and shoot processes in
agricultural crop systems. The facility is composed of 48 drainage lysimeters, from which 24 …

Abstract Nutrients, including nitrogen (N), exported from agricultural systems contribute to
eutrophication and the development of algal blooms. Understanding the relative effect of …

Aprodução de mudas de boa qualidade ainda é urn grande problema en&entado na cultura
do maracujazeiro. Como a utilização de UM subshatn adequado e com boa fcilihda& é urn …

The increase of the nitrate concentration (NO 3-) in the water of underground drainage, and
the increase in the contamination of the water table due to high rates of nitrogen fertilizers …

Application of biosolids (sewage sludge suitable for beneficial use) to tree plantations has
the potential to increase productivity, but also to leach nitrogen (N) if application rates are …

The knowledge of nitrogen (N) losses in direct‐drilling agrosystems is essential to develop
strategies to increase fertilizer efficiency and to minimize environmental damage. The …

Conclusions Concentrations of nitrogen compounds in lysimeteric water depend on the
origin of fertilizers applied (mineral or organic) and their amounts. When mineral fertilizers …