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General Principles of Crop Production | |
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The Art and Science of Crop Production | |
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Crop Production as an Art | |
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Crop Production as a Science | |
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Population and Food Supply | |
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Origin of Cultivated Plants | |
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Variation in Cultivated Plants | |
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Spread of Cultivated Plants | |
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Classification of Crop Plants | |
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Botanical Classification of Crop Plants | |
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The Leading Field Crops | |
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Future Increases in Productivity | |
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Crop Plants in Relation to the Environment | |
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Factors in Crop Distribution | |
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Climate | |
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Air | |
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Soil Requirements | |
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Indicator Significance of Native Vegetation | |
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Insects and Diseases | |
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Economic Factors in Crop Choice | |
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Cropping Regions in the U.S | |
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Botany of Crop Plants | |
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General Nature of Crop Plants | |
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The Plant Cell | |
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Structure and Functions of Crop Plants | |
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Reproductive Processes in Crop Plants | |
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Seeds and Fruits | |
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Growth Processes in Crop Plants | |
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Plant Competition | |
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Crop Improvement | |
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Possibilities in Crop Improvement | |
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Objectives in Crop Breeding | |
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Methods of Crop Breeding | |
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Production of Hybrid Seed | |
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Breeding for Disease Resistance | |
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Biotechnology and Crop Improvement | |
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Experimental Methods | |
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Tillage Practices | |
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History of Tillage Operations | |
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Purposes of Tillage | |
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Implements for Seedbed Preparation | |
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Surface Implements in Final Seedbed Preparation | |
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Tillage in Seedbed Preparation | |
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Subsoiling | |
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Conservation Tillage | |
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Fallow | |
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Soil Mulches for Moisture Conservation | |
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Cultivation in Relation to Soil Nitrates | |
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Other Effects of Cultivation | |
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Intertillage or Cultivation | |
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Artificial Mulches | |