National Academy Science Letters · 2014 · 12 citations · 27 references
AgricultureAgronomyCrop SciencesCrop ManagementCrop ProductionCropping SystemsCrop GrowthCropping System ProductivityCropping System SustainabilityIntegrated Crop ManagementSustainable Cropping SystemsYield ImprovementAgronomic Yield EvaluationCrop Productivity AssessmentCrop YieldsIntegrated Crop SystemsIntegrated Management SystemsSoil Physical QualitySoil Quality AssessmentSustainable Crop Production
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Methods of soil analysis. Part 2. Chemical and microbiological properties.
A. L. Page · 1982 · 13K citations
Methods of Soil Analysis 2d ed., pt. 1; Physical and Mineralogical Methods
A. Klute · Soil Science · 1988 · 3.2K citations