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O formaldeído é de grande importância para a fixação de tecidos, tanto para anatomia e patologia quanto para estudos tanatológicos. No Laboratório de Sanidade de Organismos Aquáticos, da Embrapa Amapá... ...

Repository: BDPA     Publication year: 2013

O custo da alimentação dos animais na atividade leiteira é um fator limitante, pois pode chegar a 70% do custo total, o que faz com que se busquem alternativas economicamente mais sustentáveis.

Repository: BDPA     Publication year: 2016

This study aimed to evaluate the effects of including encapsulated nitrate in a supplement for grazing Nellore cattle during the rainy season on animal performance and methane production. A randomized... ...

Repository: BDPA     Publication year: 2016

The objectives of this study were to evaluate performance of polymer coated and common urea in upland rice growth, yield and yield components.

Repository: BDPA     Publication year: 2014

As rápidas perdas de nitrogênio no solo por volatilização influenciaram pesquisas e o mercado de fertilizantes a obter produtos que permitam maior aproveitamento do nutriente por parte das culturas. O... ...

Repository: BDPA     Publication year: 2013

Urea and ammonium sulfate are principal nitrogen (N) sources for crop production. Two field experiments were conducted during three consecutive years to evaluate influence of urea and ammonium sulfate... ...

Repository: BDPA     Publication year: 2010

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