O objetivo deste trabalho foi avaliar a influência de diferentes condições de preparo de amostra par...
112 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1960.U of I OnlyRestricted to the ...
In modern agriculture, crop growth is more often limited by N than by any other nutrient element. De...
Thesis (Ph.D.)--University of Illinois, 1906.Typescript.Includes bibliographical references
Typescript.Thesis (Ph.D.)--University of Illinois, 1906.Includes bibliographical references.Mode of ...
Thesis (M.S.)--University of Illinois, 1917.Typescript.Includes bibliographical references (leaves 3...
Publication authorized May 21, 1937.Includes bibliographical references (page 8)
Thesis (B.S.)--University of Illinois, 1910.Typescript.Includes bibliographical references
1. É feita uma revisão do método de KJELDAHL até 1950. 2. É dada a descrição de um método, trabalhan...
This study of the measurement and behaviour of nitrogen in soil is split into three main parts: 1) A...
"Publications on fuel technology": p. 23-25.First edition, July, 1915. cf. verso of t.-p.At head of ...
Thesis (B.S.)--University of Illinois, 1903.Typescript.Includes bibliographical references (leaves 3...
Effective methods are needed for determining total N when studying the fate of N fertilizer applied ...
Determinations of ammonia in water supplies go back to the time of Chevreul in 1811. Titration proce...
Thesis (M.S.)--University of Illinois, 1912.Typescript.Includes bibliographical references
O objetivo deste trabalho foi avaliar a influência de diferentes condições de preparo de amostra par...
112 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1960.U of I OnlyRestricted to the ...
In modern agriculture, crop growth is more often limited by N than by any other nutrient element. De...
Thesis (Ph.D.)--University of Illinois, 1906.Typescript.Includes bibliographical references
Typescript.Thesis (Ph.D.)--University of Illinois, 1906.Includes bibliographical references.Mode of ...
Thesis (M.S.)--University of Illinois, 1917.Typescript.Includes bibliographical references (leaves 3...
Publication authorized May 21, 1937.Includes bibliographical references (page 8)
Thesis (B.S.)--University of Illinois, 1910.Typescript.Includes bibliographical references
1. É feita uma revisão do método de KJELDAHL até 1950. 2. É dada a descrição de um método, trabalhan...
This study of the measurement and behaviour of nitrogen in soil is split into three main parts: 1) A...
"Publications on fuel technology": p. 23-25.First edition, July, 1915. cf. verso of t.-p.At head of ...
Thesis (B.S.)--University of Illinois, 1903.Typescript.Includes bibliographical references (leaves 3...
Effective methods are needed for determining total N when studying the fate of N fertilizer applied ...
Determinations of ammonia in water supplies go back to the time of Chevreul in 1811. Titration proce...
Thesis (M.S.)--University of Illinois, 1912.Typescript.Includes bibliographical references
O objetivo deste trabalho foi avaliar a influência de diferentes condições de preparo de amostra par...
112 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1960.U of I OnlyRestricted to the ...
In modern agriculture, crop growth is more often limited by N than by any other nutrient element. De...