Nitrogen fertilization and management in tropical rice / Sanchez, A. P.

Public ISBD Titre : Nitrogen fertilization and management in tropical rice Type de document : texte imprimé Auteurs : Sanchez, A. P. Mention d'édition : Agency for International Development Editeur : Agency for International Development Année de publication : 1972 ISBN/ISSN/EAN : CI-09250 Note générale : Rice is the main food crop in the tropics. It is the only import crop capable of growing in flooded soils because of its ability to oxide it rhizosphere. Rice responds almost universally to nitrogen fertilization. Nitroen reactions are markedly affected by oxidation reduction status of the soil, which largely depends on water management and soil physical conditions. Temporary flooding in most tropical areas causes loss of native or applied nitrogen. The responses of rice to nitrogen are minimal when call varieties are used... Langues : Anglais (eng) Mots-clés : Riz  Fertilisation  Eau  Sol  Amenagement hydraulique  Pratique culturale  Agronomie  Génie rural  MISE EN VALEUR DU SOL Index. décimale : 621.2 Hydraulique : turbines, pompes, accumulateurs, transmission hydraulique Résumé : Rice is the main food crop in the tropics. It is the only import crop capable of growing in flooded soils because of its ability to oxide it rhizosphere. Rice responds almost universally to nitrogen fertilization. Nitroen reactions are markedly affected by oxidation reduction status of the soil, which largely depends on water management and soil physical conditions. Temporary flooding in most tropical areas causes loss of native or applied nitrogen. The responses of rice to nitrogen are minimal when call varieties are used... Note de contenu : Rice is the main food crop in the tropics. It is the only import crop capable of growing in flooded soils because of its ability to oxide it rhizosphere. Rice responds almost universally to nitrogen fertilization. Nitroen reactions are markedly affected by oxidation reduction status of the soil, which largely depends on water management and soil physical conditions. Temporary flooding in most tropical areas causes loss of native or applied nitrogen. The responses of rice to nitrogen are minimal when call varieties are used... Nitrogen fertilization and management in tropical rice [texte imprimé] / Sanchez, A. P.  . -  Agency for International Development . - Agency for International Development, 1972. ISSN : CI-09250 Rice is the main food crop in the tropics. It is the only import crop capable of growing in flooded soils because of its ability to oxide it rhizosphere. Rice responds almost universally to nitrogen fertilization. Nitroen reactions are markedly affected by oxidation reduction status of the soil, which largely depends on water management and soil physical conditions. Temporary flooding in most tropical areas causes loss of native or applied nitrogen. The responses of rice to nitrogen are minimal when call varieties are used... Langues : Anglais (eng) Mots-clés : Riz  Fertilisation  Eau  Sol  Amenagement hydraulique  Pratique culturale  Agronomie  Génie rural  MISE EN VALEUR DU SOL Index. décimale : 621.2 Hydraulique : turbines, pompes, accumulateurs, transmission hydraulique Résumé : Rice is the main food crop in the tropics. It is the only import crop capable of growing in flooded soils because of its ability to oxide it rhizosphere. Rice responds almost universally to nitrogen fertilization. Nitroen reactions are markedly affected by oxidation reduction status of the soil, which largely depends on water management and soil physical conditions. Temporary flooding in most tropical areas causes loss of native or applied nitrogen. The responses of rice to nitrogen are minimal when call varieties are used... Note de contenu : Rice is the main food crop in the tropics. It is the only import crop capable of growing in flooded soils because of its ability to oxide it rhizosphere. Rice responds almost universally to nitrogen fertilization. Nitroen reactions are markedly affected by oxidation reduction status of the soil, which largely depends on water management and soil physical conditions. Temporary flooding in most tropical areas causes loss of native or applied nitrogen. The responses of rice to nitrogen are minimal when call varieties are used...

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Soils of the tropic and the world food crisis / Sanchez, A. P.

Public ISBD Titre : Soils of the tropic and the world food crisis Type de document : texte imprimé Auteurs : Sanchez, A. P. ; Buol, W. S. Mention d'édition : Science Department/Carolina State University Editeur : Science Department/Carolina State University Année de publication : 1975 ISBN/ISSN/EAN : CI-11923 Note générale : The properties and potential of soils of the tropics are poorly understood. The old idea that laterite is formed when tropical soils are cleared is true of only a small proportion of area. In most features, soils in the tropics are similar or equivalent to soils in the temperate regions. Specifically, soil organic matter contents, commonly believed to be low in the tropics, are essentially similar to those of the temperate regions. Langues : Anglais (eng) Mots-clés : Sol  Matière organique  Production agricole  Pédologie  Crise alimentaire Index. décimale : 631.4 Pédologie, science et préservation des sols : chimie, physique, fertilité Résumé : The properties and potential of soils of the tropics are poorly understood. The old idea that laterite is formed when tropical soils are cleared is true of only a small proportion of area. In most features, soils in the tropics are similar or equivalent to soils in the temperate regions. Specifically, soil organic matter contents, commonly believed to be low in the tropics, are essentially similar to those of the temperate regions. Note de contenu : The properties and potential of soils of the tropics are poorly understood. The old idea that laterite is formed when tropical soils are cleared is true of only a small proportion of area. In most features, soils in the tropics are similar or equivalent to soils in the temperate regions. Specifically, soil organic matter contents, commonly believed to be low in the tropics, are essentially similar to those of the temperate regions. Soils of the tropic and the world food crisis [texte imprimé] / Sanchez, A. P. ; Buol, W. S.  . -  Science Department/Carolina State University . - Science Department/Carolina State University, 1975. ISSN : CI-11923 The properties and potential of soils of the tropics are poorly understood. The old idea that laterite is formed when tropical soils are cleared is true of only a small proportion of area. In most features, soils in the tropics are similar or equivalent to soils in the temperate regions. Specifically, soil organic matter contents, commonly believed to be low in the tropics, are essentially similar to those of the temperate regions. Langues : Anglais (eng) Mots-clés : Sol  Matière organique  Production agricole  Pédologie  Crise alimentaire Index. décimale : 631.4 Pédologie, science et préservation des sols : chimie, physique, fertilité Résumé : The properties and potential of soils of the tropics are poorly understood. The old idea that laterite is formed when tropical soils are cleared is true of only a small proportion of area. In most features, soils in the tropics are similar or equivalent to soils in the temperate regions. Specifically, soil organic matter contents, commonly believed to be low in the tropics, are essentially similar to those of the temperate regions. Note de contenu : The properties and potential of soils of the tropics are poorly understood. The old idea that laterite is formed when tropical soils are cleared is true of only a small proportion of area. In most features, soils in the tropics are similar or equivalent to soils in the temperate regions. Specifically, soil organic matter contents, commonly believed to be low in the tropics, are essentially similar to those of the temperate regions.

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