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NITROGEN REMOVAL FROM SEWAGE IN A SERIE OF AEROBIC-ANOXIC SUBMERGED BIOFILTERS
(Instituto de Ingeniería, 2015)
Biomass and nitrogen accumulation in white oat (Avena sativa L.) under water deficit1
(Universidade Federal de Viçosa, 2020-03-02)
Knowledge on nitrogen absorption rate by crops can indicate important managements, especially the definition of rates of this nutrient and the best time for topdressing application. This study aimed to evaluate and compare ...
Syndiotactic polypropylene copolymer membranes and their performance for oxygen separation
(2010)
Syndiotactic poly(propylene- -olefin) copolymers with controlled microstructure and desired properties for oxygen enrichment have been synthesized via metallocene catalysts. The controlled incorporation of comonomers as ...
Nitrogen immobilization by Congo grass roots impairs cotton initial growth
(2012)
In crop-livestock integration systems the presence of both grass roots in the soil and straw on the surface can temporarily immobilize nitrogen. This study examined the persistence of grass residues in the system as well ...
Produção de aveia-preta irrigada sobressemeada em pastagem de Tifton
(Universidade Tecnológica Federal do ParanáDois VizinhosBrasilBacharelado em ZootecniaUTFPR, 2016-06-08)
A major challenge for farmers is to produce quality food in sufficient quantities throughout the year, the overseeded is a strategy that has been widely used, in order to sow temperate grasses in tropical evergreen species ...
Critical values of nitrogen indices in tomato plants grown in soil and nutrient solution determined by different statistical procedures.
(Pesquisa Agropecuária Brasileira, Brasília, v. 37, nº 10, p.1421-1429, out. 2002., 2011)