"Historia e introduccion; Los alimentos de las plantas; Estudio particular de los elementos nutritivos de las plantas; Estudios cuatitativos sobre el crecimento de las plantas; Composicion del suelo; Constitucion de los minerales de la arcilia; Poder de retencion de cationes y aniones de los suelos; Propiedades fisica de los suelos y arcillas; Fisiologia de la poblacion microbiana; Organismos que componen la poblacion del suelo; La fauna no protozoaria del suelo; Ecologia, general de la poblacion del suelo; Asociacion entre plantas y microorganismos; Decomposicion del material vegetal; La composicion del material vegetal; La composicion de la materia organica del suelo; Ciclo del nitrogenio del suelo; La temperatura, la atmosfera del suelo; El agua en el suelo; El agua y el crecimiento de las plantas; La transferencia de agua desde el suelo a la planta; La regulacion de las humedad del suelo en la practica; Estructura y capacidad de laboreo del suelo; Desarrollo de las raices de las plantas en el suelo; Absorcion de elementos nutritivos del suelo; Las fuentes de elementos nutritivos del suelo; Efecto de la acidez y de la alcalinidad del suelo sobre el crecimiento de las plantas; Efecto de las plantas en crecimiento sobre el suelo; La meteorizacao de las rocas; Formacion de suelo en lugares con buen avenamiento; Influencia de la topografia sobre la formacion del suelo; Suelos salinos y alcalinos e su explotacion; Principios generales: fundamentos de los metodos, de la explotacion del suelo e de la regulacion."
"Historical and introductory; The food of plants; The individual nutrients needed by plants; Quantitative studies on plant growth; The composition of the soil; The constitution of clay minerals; The cation and anion holding powers of soils; The interaction of clay with water and organic compounds; The physiology of the microbial population; The organisms composing the population; The soil fauna other than protozoa; The general ecology of the soil population; The association between plants and micro-organisms; The decomposition of plant material; The composition of the soil organic matter; The nitrogen cycle in the soil; The temperature of the soil; The soil atmosphere; The water in soils; Water and crop growth; Soil structure and soil tilth; The development and functioning of plant roots in soil; The soures of plant nutrients in the soil: phosphate; The sources of plant nutrients in soils; The chemistry of waterlogged soils; The formation and classification of soils; The management of irrigated saline and alkali soils; The general principles of soil management."
"Introduccion historica; Los alimentos de las plantas; Estudio particular de los elementos nutritivos de las plantas; Estudios quantitativos sobre el crecimiento de las plantas; Composicion del suelo; Constitucion de los minerales de arcilla; El poder de retencion de los cationes y aniones de los suelos; Propriedades fisica de los suelos y arcillas; Fisiologia de la poblacion micribiana; Organismos que componen la poblacion del suelo."
"Soil conditions affecting plant growth; The composition of the soil; The soil nature: I. Changes in its mineral composition; The soil in nature: II. The change in the organic matter; The Micro-organic population of the soil and its relation to the growth of plants; The biotic conditions in the soil; Soil fertility in nature and in farm practice."
"Historical and introductory; The food of plants; The individual nutrients needed by plants; Quantitative studies on plant growth; The composition of the soil; The constitution of clay minerals; The cation and anion holding powers of soils; The interaction of clay with water and organic compounds; The physiology of the microbial population; The organisms composing the population; The soil fauna other than protozoa; The general ecology of the soil population; The association between plants and micro-organisms; The decomposition of plant material; The composition of the soil organic matter; The nitrogen cycle in the soil; The temperature of the soil; The soil atmosphere; The water in soils; Water and crop growth; Soil structure and soil tilth; The development andfunctioning of plant roots in soil; The sources of plant nutrients in the soil: phosphate; The sources of plant nutrients in soils; The chemistry of waterlogged soils; The formation and classification of soils; The management of irrigated saline and alkali soils; The general principles of soil management."
"For students, researchers and workers in the field of agriculture, horticulture and soil science."
"For students, researchers and workers in the field of agriculture, horticulture and soil science."@en
"Historical and introductory. The food of plants. The individual nutrients needed by plants. Quantitative studies on plant growth. The composition of the soil. The constitution of clay minerals. The cation and anion holding powers of soils The interaction of clay with water and organic compounds. The physiology ot the microbial population. The organisms composing the population. The soil fauna other than protozoa. The general ecology of the soil population. The association between plants and micro-organisms. The decomposition of plant material. The composition of the soil organic matter. The nitrogen cycle in the soil. The temperature of the soil. The soil atmosphere. The water in soils. Water and crop growth. Soil structure and soil tilth. The development and functioning of plant roots in soil. The sources of plant nutrients in the soil: Phosphate. The sources of plant nutrients in soils. The chemistry of waterlogged soils. The formation and classification of soils. The management of irrigated saline and alkali soils. The general principles of soil management."
"Historical and introductory; The food of plants; The individual nutrients needed by plants; Quantitative studies on plant growth; The composition of the soil; The constitution of clay minerals; The cation and anion holding powers of soils; The interaction of clay with water and organic compounds; The physiology of the microbial population; The organisms composing the population; The soil fauna other than protozoa; The general ecology of the soil population; The association between plants and micro-organisms; The decomposition of plant material; The composition of the soil organic matter; The nitrogen cycle in the soil; The temperature of the soil; The soil atmosphere; The water in soils; Water and crop growth; Soil structure and soil tilth; The development andfunctioning of plant roots in soil; The sources of plant nutrients in the soil: phosphate; The sources of plant nutrients in soils; The chemistry of waterlogged soils; The formation and classification of soils; The manegement of irrigated saline and alkali soils; The general principles of soil management."
"The search for the principle of vegetation, 1630-1750. The search for plant nutrients. The phlogistic period 1750-1800. The modern period 1800 - 60. The lfoundation of plant physiology. The foundation of agricultural science. The beginnings of soil bacteriology. The rise of modern knowledge of the soil, and return of field studies. The food of plants. The individual nutrients needs by plants. Quantitative studies on plant gräwth. The lcomposition of the soil. The constitution of clay minerals. The cation and anion holding power of soils. The interaction of clay swith water and organic compounds. The physiology of the microbial population. The organisms composing the population. The soil fauna other than protozoa. The general ecology of the soil population. The association between plants and micro-organisms. The decomposition of plant material. The composition of the soil organic matter. The nitrogen cycle in the soil. The temperature of the soil. The soil atmosphere. The water in soils. Water and crop growth. Soil structure and soil tilth. The development and functioning of plant roots in soil. The sources of plant nutrients in the soil. Phospathe. The sources of plant nutrients in soils. The chemistry of waterlogged lsoils. The formation and classification of soils. The management of irrigated saline and alkali soils. The general principles of soil management. Description of the tothamsted and woburn soils. Conversion factors for units in the text."
"Historical and introductory; The food of plants; The individual nutrients needed by plants; Quantitative studies on plant growth; The composition of the soil; The constitution of clay minerals; The cation and anion holding powers of soils; The interaction of clay with water and organic compounds; The physiology of the microbial population; The organisms composing the pupulation; The soil fauna other than protozoa; The general ecology of the soil population; The association between plants and micro-organisms; The decomposition of plant material; The composition of the soil organic matter; The nitrogen cycle in the soil; The temperature of the soil; The soil atmosphere; The water in soils; Water and crop growth; Soil structure and soil tilth; The development and functioning of plant roots in soil; The sources of plant nutrients in the soil: phosphate; The sources of plant nutrients in soils; The chemistry of waterlogged soils; The formation and classification of soils; The management of irrigated saline and alkali soils; The general principles of soil management."
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