Subjects: “...urea...”
Access document

“...Cover crops can affect nitrogen fertilization efficiency, soil nitrogen content, and cotton yield...”
Access document (1)
Access document (2)

“... levels of N fertilization. The use of cover crops and efficient fertilizers can increase N stock in the...”
Access document

Access document

“... of N fertilization. The use of cover crops and efficient fertilizers can increase N stock in the soil and...”
Access document (1)
Access document (2)

“...Objetivou-se avaliar a redução do nível de 1% de ureia na cana-de-açúcar desintegrada para vacas...”
Access document

Subjects: “...Cana-de-açúcar...”
Access document

“...Avaliou-se o efeito de diferentes níveis de uréia na cana-de-açúcar (cana) (0,0; 0,6 e 1,2% na base...”
Access document

“..., objetivando-se avaliar a associação da palma forrageira ao bagaço de cana-de-açúcar e a uréia sobre...”
Access document

Subjects: “...Cana-de-açúcar...”
Access document

Access document

“... the addicted subject is alienated. The toxic aspect that can permeate these relationships...”
Access document

Subjects: “...Creation with objects...”
Access document

Subjects: “...Creation with objects...”
Access document

“...Digital Learning Objects (DLO) have contributed to minimize learning deficits and to virtually...”
Access document

“... educational objects benefits the education process. Students learned better the systems in comparison with...”
Access document

“..., authentic, material and objects that have been collected, researched, and preserved over the years...”
Access document

Access document

Subjects: “...Objects....”
Access document

Access document