Plant and Soil · 1988 · 96 citations · 24 references
AgricultureAgronomyPlant SciencesCereal ScienceCrop ProductionPlant NutritionCrop NutritionFertilizer Response ModelingLegume CropsNitrogen NutritionYield EstimationCrop Response To Residual NutrientsNitrogen Effects On YieldNitrogen Response Modeling
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Symbiotic nitrogen fixation in plants
J. W. Parsons · Food Policy · 1976 · 501 citations
Measurement of amount of nitrogen fixed by a legume crop
Maurice Fried, V. Middelboe · Plant and Soil · 1977 · 341 citations
Agriculture, Agronomy, Crop Sciences +12
A CONCEPT CONCERNING THE MEASUREMENT OF AVAILABLE SOIL NUTRIENTS
Maurice Fried, L. A. Dean · Soil Science · 1952 · 236 citations
Triacontanol: A New Naturally Occurring Plant Growth Regulator
S. K. Ries, Violet Wert, Charles C. Sweeley et al. · Science · 1977 · 208 citations