GROWING PLANTS WITHOUT SOIL FOR EXPERIMENTAL USE 



17 



(13) Sprague, H. B. 



1964. HUNGER SIGNS IN CROPS. Ed. 3, 461 pp. 

 David McKay Co., New York. 



(14) U.S. Department of Agriculture, Agricultural 

 Research Service. 



1966. plant light-growth discoveries from 

 photoperiodism to phytochrome. ars 

 Spec. Rpt. 22-64, 17 pp. 



(15) Van Wuk, W. R. 



1966. PHYSICS OF PLANT ENVIRONMENT. 382 pp. 



North Holland Pub. Co., Amsterdam, 

 Netherlands. 



(16) Went, F. W. 



1957. the experimental control of plant 

 growth. 343 pp. The Ronald Press Co., 

 New York. 



INDEX OF PLANTS 



Page 



Alfalfa (Medicago saliva L.) 7, 8, 9, 14 



Barley (Hordeum vulgare L.) 3, 6, 7, 9, 14 



Barnyardgrass {Echinochloa crus-galli (L.) Beauv.) 7, 9, 14 



Bean (Phaseolus vulgaris L., 'Black Valentine') 7, 9, 15 



Beet (Beta vulgaris L.) 7, 9, 15 



Bermudagrass (Cynodon dactylon (L.) Pers.) 7, 9, 15 



Bluegrass (Poa pratensis L.) 6, 7, 9, 15 



Broadbean (Vicia faba L.) 7, 9, 15 



Broccoli (Brassica oleracea L. var. italica Plenck) 7, 9 



Buckwheat (Fagopyrum esculentum Moench) 7, 9, 15 



Cabbage (Brassica oleracea L. var. capitata L.) 5, 7, 9, 15 



Carrot (Daucus carota L.) 5, 7, 9, 15 



Corn (Zeamays L.) 3, 5, 7, 9, 12, 13, 15 



Cotton (Gossypium hirsutum L.) 5, 7, 9, 15 



Cucumber (Cucumis sativus L.) 7, 9, 15 



Dill (Anethum graveolens L.) 7, 9 



Endive (Cichorium endivia L.) 7,9, 15 



Fall panicum (Panicum dichotomiflorum Michx.) 7, 9 



Flax (Linum usitatissimum L.) 7, 9, 15 



Head lettuce (Lactuca saliva L.) 6, 7, 9 



Johnsongrass (Sorghum halepense (L.) Pers.) 7, 9, 15 



Leaf lettuce (Lactuca sativa L.) 7, 9 



Limabean (Phaseolus lunatush.) 7, 9, 15 



Melon (Cucumis melo L.) 7, 9, 15 



Millet (Panicum miliaceum L.) 7, 9, 15 



Mustard (Brassica juncea (L.) Coss.) 7, 9, 15 



Oat (Avena sativa L.) 7, 9, 14 



Okra (Hibiscus esculentus L.) 7,9, 15 



Page 



Parsnip (Pastinaca sativa L.) 7, 9 



Pea (Pisum sativum L.) 3, 5, 6, 7, 8, 9, 12 



Peanut (Arachis hypogaea L.) 7, 9, 15 



Pepper (Capsicum frutescens L.) 7,9 



Pigeongrass (Setaria viridis (L.) Beauv.) 7, 9, 14 



Pintobean (Phaseolus vulgaris L.) 7,9,15 



Plantain (Plantago major L.) 7, 9, 16 



Potato (Solanum tuberosum L.) 7, 9, 16 



Red clover (Trifolium pratense L.) 7, 9, 15 



Rice (Oryza sativa L.) 5, 7, 9, 14 



Sorghum (Sorghum bicolor (L.) Moench) 5, 7, 9, 15 



Soybean (Glycine max (L.) Merr.) 6, 7, 9, 10, 16 



Spinach (Spinacia oleracea L.) 7,9 



Squash (Cucurbita maxima Duchesne) 7, 9, 15 



Sudangrass (Sorghum sudanense (Piper) Stapf) 7, 9, 15 



Sugarbeet (Beta vulgaris L.) 7, 9, 15 



Sugarcane (Saccharum officinarum L.) 6, 7, 9, 16 



Sunflower (Helianthus annuus L.) 7, 9, 16 



Sweetpotato (Ipomoea batatas (L.) Lam.) 7, 10, 16 



Swiss chard (Beta vulgaris L.) 7, 10 



Tobacco (Nicotiana tabacum L.) 5, 6, 8, 10, 16 



Tomato (Lycopersicon esculentum Mill.) 8, 10, 16 



Turnip (Brassica rapa L.) 8, 10, 16 



Wheat (Triticum aestivum L.) 8, 10, 14 



Wild buckwheat (Polygonum convolvulus L.) 8, 10, 16 



Wild mustard (Brassica kaber (DC.) L. C. Wheeler 



var. pinnatifida (Stokes) L. C. Wheeler) 8, 10, 15 



Wild oat (Avena fatua L.) 8, 10, 14 



■&" U.S. GOVERNMENT PRINTING OFFICE: 1972 O 474-838 



