INDEX 



127 



Habitat, 62, 69, 70, 76, 81 



Hawks, 88 



Headwaters, 1 



Health, 9, 20, 29, 31, 32 



Heat, 58 



Herty, Dr. Charles, 45, 46 



Hickory, 70, 80 



Hill land, illus., 43 



Hogs, 75 



Hotsprings, 58 



Housing, 7 



Humans, 14 ; health, 29 ; and soil, 29 



Humus, 3, 53, 60, 61, 74, 77, 101, 104 



Hunger, 10; hidden, 29 



Hunting, and soil, 33-4 



Hybrids 50 



Hydrocarbon, 13, 14 



Hydrogen, 15 



Hydrologist, 58 



lee, 74 



Iceland, 103 



Ice sheets, 50 



India, 64, 103 



Indicators, 81 



Industrial Kevolution, 36 



Insects, 3, 16, 17, 62, 101; pollinating, 



55 



Insolation, 57 

 Invasion, plant, 75, 76 

 Interrelations, 61, 62, 63, 82 

 Iron, 24 

 Irrigation, 35, 82 



Japan, 64 



Lake, 54, 72 



Lake herring, 98 



Land, 52, 58; for chemurgy, 46; 

 classes, illus., 73 ; forms, 73, 74 ; 

 and life forms, 52; practices on, 

 53; sloping, 7; use, 82, 101 



Landscape, 1, 2, 3, 6, 10, 12, 51, 54; 

 abnormal, 1 ; changing, 50, 72-5, 

 104-6; damage to, 66, 89; interre- 

 lations on, 61 ; laws, 11 ; of 

 Lebanon, 11 ; management of, 10, 

 66, 91, 102, 104-6, 107; mooring, 

 6; regression, 89; Virginia, 11; 

 world, 75, 105 



Leaching, 20, 61 ; in tropics, 21 



Learning process, 1, 12 



Leaves, 4, 48, 70 



Lebanon, landscape illus., 11 



Legumes, 17, 23 



Lichens, 52, 54, 78 



Life, 3, 4, 5, 6, 7, 9, 48-9, 51, 69, 87; 

 animal, 2 ; aquatic, 54 ; changes 

 environment, 58-61 ; changes form, 

 61; home of, 57-8; importance of 

 lower forms, 66 ; interrelationships, 

 61 ; overpopulation, 63 ; plant, 2 ; 

 sea and land forms, 52-3 ; seeks 

 climax, 62; and soil minerals, 59 



Light, 49, 61 



Lightning, 74 



Lignin, 46 



Lime, 16, 27; on plains and prairies, 



23, 24 



Liverworts, 54 



Living Standard, 40, 44, 89, 99, 103 

 Loam, 15, 74; structure 84 

 Loess, 74 

 Lumbering, 75 

 Lynx, 106 



Magnesium, 24, 28 



Man, 4, 104; disorganizer, 6; and en- 

 vironment, 64 ; prehistoric, 35 ; 

 problems, 92 



Management, goals of, 106; landscape, 

 91; of microbes, 61; of resources, 

 10 



Maple, 70, 71, 80 



Mason, W. H., 46 



Manure, 3, 87 



Mesophytic, 72 



Mesopotamia, 10, 41 



Metabolism, 49 



Meteorologist, 58 



Mexico, 10, 72 



Migration, 51, 75, 76 



Milk casein, 45 



Minerals, 4, 52, 56, 57, 58, 105; de- 

 ficiencies, 25, 28; and health, 31, 

 32; loss of, 7, 25; shortages, 6; 

 soil, 16, 17, 21, 55, 59; in water, 

 54 



Moisture, 70, 72; reserves of, 101 



Molybdenum, 24 



Morals, 10 



Morgan, Dr. H. A., 48 



Moss, 52, 54, 61, 77, 78 



Mountains, 11, 58 



Mutation, 50, 51, 53, 54 



Mulch, 85, 87 



Mycorrhiza, 60 



Myxomycetes, 60 



National Farm Chemurgic Council, 46 

 Nature 9; improvement on, 10; lessons 



from, 104-6 

 Natural forces, 84 

 Natural law, 83, 90, 106 

 Natural resources, 1, 67 

 Natural sciences, 1, 67 

 Natural selection, 49, 51 

 Neutrons, 4, 5 

 Nile, 35 



Nitrates, 16, 53, 61 

 Nitrogen, 20, 28; fixation, 16 

 Normality, 1, 2, 3, 10, 12 

 North China, 42 

 Nuclear fission, 7 

 Nutrients, 9, 53, 54 

 Nutrition, 20; bad, effect on bones, 



30; of lambs, 25, 26; of pigs, 32; 



and poverty grass, 77 ; in South, 31 



