Low-Input Technology for Managing Oxisols and Ultisols in Tropical America

The Chemistry of Submerged Soils

1972 • 2,758 citations

Properties and Management of Soils in the Tropics

1977 • 1,340 citations

Phosphate Sorption Isotherms for Evaluating the Phosphate Requirements of Soils

1970 • 653 citations

On Biomass and Trophic Structure of the Central Amazonian Rain Forest Ecosystem

1973 • 544 citations

A Simple Statistical Procedure for Partitioning Soil Test Correlation Data Into Two Classes

1971 • 492 citations

Plant Adaptation to Mineral Stress in Problem Soils.

1978 • 472 citations

The Use of Phosphate Rock for Direct Application to Soils

1979 • 441 citations

Annual report for 1977

1978 • 397 citations

Exchangeable Aluminum As a Criterion for Liming Leached Mineral Soils

1970 • 339 citations

Stress physiology in crop plants

1980 • 322 citations

Physiological Bases for Assessing the Nutritional Requirements of Plants

1952 • 316 citations

Visual Detection of Aluminum Tolerance Levels in Wheat by Hematoxylin Staining of Seedling Roots¹

1978 • 300 citations

Mineral Nutrition of Legumes in Tropical and Subtropical Soils. 1978

1979 • 258 citations

Crop Tolerance to Suboptimal Land Conditions

1978 • 258 citations

Stress physiology in crop plants

1979 • 227 citations

Soil Management in Tropical America

1976 • 223 citations

A Survey of the Fertility Status of Surface Soils Under “Cerrado” Vegetation in Brazil

1977 • 222 citations

Nitrogen Fixation In Grasses

1977 • 220 citations

Soil Conservation and Management in the Humid Tropics

1978 • 219 citations

Calcium Leaching to Increase Rooting Depth in a Brazilian Savannah Oxisol¹

1980 • 209 citations

Leucaena, promising forage and tree crop for the tropics.

1977 • 198 citations

The effect of fallow and continuous cultivation on the chemical and physical properties of an alfisol in western Nigeria

1977 • 192 citations

A Family of Models Involving Intersecting Straight Lines and Concomitant Experimental Designs Useful in Evaluating Response to Fertilizer Nutrients

1975 • 185 citations

Lime Response as Related to Percent Al Saturation, Solution Al, and Organic Matter Content

1970 • 153 citations

Fertilizer technology and use

1988 • 133 citations

Pasture production in acid soils of the tropics.

1979 • 123 citations

Effects of Lime, Silicate, and Phosphorus Applications to an Oxisol on Phosphorus Sorption and Ion Retention

1980 • 122 citations

Cerrado Vegetation in Brazil: An Edaphic Gradient¹

1977 • 121 citations

PLANT GROWTH RESPONSES TO VESICULAR‐ARBUSCULAR MYCORRHIZA V. PHOSPHATE UPTAKE BY THREE PLANT SPECIES FROM P‐DEFICIENT SOILS LABELLED WITH ³²P

1973 • 119 citations

Screening of Rice Cultivars for Tolerance to Al‐toxicity in Nutrient Solutions as Compared with a Field Screening Method¹

1976 • 115 citations

A Comparison of Various Laboratory Methods for Predicting the Agronomic Potential of Phosphate Rocks for Direct Application

1978 • 113 citations

Contribution of Mycorrhizae to P Nutrition of Crops Growing on an Oxisol¹

1979 • 109 citations

Effect of Depth of Lime Incorporation on the Growth of Corn on an Oxisol of Central Brazil

1979 • 107 citations

Toxic Factors in Acid Soils: II. Differential Aluminum Tolerance of Plant Species

1964 • 104 citations

Comparative responses to manganese excess of eight tropical and four temperate pasture legume species

1969 • 99 citations

Intraspecific Differences in Growth of Beans at Stress Levels of Phosphorus1

1976 • 94 citations

Maximizing calcium uptake by plants

1979 • 91 citations

Liming as Related to Solubility of P and Plant Growth in an Acid Tropical Soil

1973 • 90 citations

Toxic constituents of plant foodstuffs

1970 • 88 citations

Amazon jungle : green hell to red desert?

1975 • 86 citations

Aluminum Tolerance of Wheat Cultivars Related to Region of Origin¹

1974 • 86 citations

Utilization of phosphate from different sources by six plant species

1979 • 85 citations

Mineral Nutrition of Legumes in Tropical and Subtropical Soils

1982 • 84 citations

Toxicology of Insecticides

1976 • 79 citations

Analysis of the Code Relating Sequence to Secondary Structure in Proteins

1970 • 78 citations

Manganese toxicity in field and market garden grops

1951 • 77 citations

Biological nitrogen fixation in farming systems of the Tropics

1977 • 72 citations

Selecting Rhizobium for acid, infertile soils of the tropics

1979 • 65 citations

EFFECT OF LIME AND NITROGEN APPLICATIONS ON DOWNWARD MOVEMENT OF CALCIUM AND MAGNESIUM IN TWO HUMID TROPICAL SOILS OF PUERTO RICO

1962 • 64 citations

Aluminum Tolerance of Soybean Cultivars Based on Root Elongation in Solution Culture Compared with Growth in Acid Soil¹

1978 • 63 citations

The effect of phosphorus on the growth, chemical composition, and critical phosphorus percentages of some tropical pasture grasses

1971 • 61 citations

Harvesting the sun

1968 • 61 citations

Amazon Jungle: Green Hell to Red Desert?

1976 • 61 citations

Reactions of Partially Acidulated Phosphate Rock with Soils from the Tropics

1980 • 60 citations

World Soybean Research Conference Ii, Proceedings

1980 • 60 citations

Acid Tolerance of Rhizobia in Culture and in Symbiosis with Cowpea

1979 • 58 citations

Selection for phosphorus efficiency in corn

1978 • 58 citations

Differential Response of Wheat Cultivars to Al¹

1977 • 57 citations

Manganese and iron toxicities dependent on soybean variety

1977 • 57 citations

Fitting Plants Nutritionally to Soils. III. Sorghum¹

1977 • 54 citations

Proceedings cassava protection workshop CIAT, Cali, Colombia, 7-12 November, 1977.

1978 • 54 citations

Partially Acidulated Rock Phosphate as a Source of Phosphorus to Plants: I. Growth Chamber Studies

1964 • 53 citations

The development of manganese toxicity in pasture legumes under extreme climatic conditions

1974 • 51 citations

Efficient and Inefficient Use of Phosphorus by Sorghum

1977 • 51 citations

Phosphorus Response of Corn on an Oxisol as Influenced by Rates and Placement

1979 • 49 citations

Biological nitrogen fixation in farming systems of the tropics

1978 • 49 citations

Dissolution of North Carolina Phosphate Rock in Acid Colombian Soils as Related to Soil Properties

1980 • 47 citations

Calcium and metabolic disorders

1979 • 45 citations

The influence of aluminium on phosphate sorption by whole plants and excised roots of some pasture legumes

1973 • 44 citations

Phosphorus availability from partial acidulation of two phosphate rocks

1980 • 43 citations

Tolerance of Soil Acidity in Symbioses of Mung Bean with Rhizobia¹

1979 • 42 citations

Lateritic Soils

1964 • 39 citations

MYCORRHIZAL INFECTION ON GROWTH AND NITROGEN FIXATION OF PUERARIA AND STYLOSANTHES AND UPTAKE OF PHOSPHORUS FROM TWO ROCK PHOSPHATES

1979 • 39 citations

Potentially Arable Soils Of The World And Critical Measures For Their Use

1969 • 39 citations

Annual Report for 1979.

1980 • 38 citations

A Review of Soils Research in Tropical Latin America

1974 • 34 citations

Tolerance of cassava (Manihot esculenta crantz) to high soil acidity

1978 • 34 citations

Annual report for 1978.

1979 • 33 citations

Manganese toxicity and marginal chlorosis of lettuce

1973 • 28 citations

Liming of Latosols and the Effect on Phosphorus Response

1978 • 27 citations

World Food and Nutrition Study. The Potential Contributions of Research

1977 • 25 citations

Fitting the Law of the Minimum to Fertilizer Applications and Crop Yields¹

1979 • 24 citations

Critérios ecológicos para o desenvolvimento agrícola das terras-firmes da Amazônia

1977 • 23 citations

Performance of Sulfur‐Coated Urea Under Intermittently Flooded Rice Culture in Peru

1973 • 21 citations

Cassava cultural practices.

1980 • 21 citations

Differential tolerance to manganese in introduced and bred lines of Macroptilium atropurpureum

1978 • 19 citations

Response of Wheat Cultivars to Liming in Some High Al Oxisols of Rio Grande do Sul, Brazil¹

1977 • 17 citations

Fertilizers, Crop Quality and Economy

1976 • 16 citations

Solution Culture Evaluation of Sweet Potato Cultivar Tolerance to Aluminum¹

1976 • 16 citations

Effect of Soil Management on Corn Yield and Soil Nutrients in the Rain Forest Zone of Western Nigeria¹

1972 • 14 citations

Soil Map of the World. Volume IV: South America

1973 • 10 citations

World Water for Agriculture (Climate, Precipitation Probabilities and Adequacies for Rainfed Agriculture).

1977 • 8 citations

PROBABILIDADES DE OCORRÊNCIA DE PERÍODOS SECOS NA ESTAÇÃO CHUVOSA PARA BRASÍLIA, D.F.'

1977 • 8 citations

Efeito da calagem e de diversas adubações na batata-doce e no cará, em solos de baixa fertilidade, derivados do arenito Botucatu

1962 • 4 citations

Deleted Work

1955 • 0 citations