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2fc TOLERANCE OF PLANTS FOR SALTS IN ALKALI SOILS. 



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 Red Algerian oats, limits of endurance of salts of sodium and magnesium . . 11, 13, 14 



Saline soils, endurance of sugar beet and maize 13 



Salts, pure solution, results with various plants, tests 9-14 



Sea water, solutions resembling, in algse growing experiments 19 



Seed, fresh, seedlings more resistant to salts 12, 20 



Seedlings, endurance of salts solutions, studies 9-19 



fresh seed, increased resistance to salts 12, 20 



Sodium salts, tests of endurance of various plants 9-14 



with calcium sulphate, effects on plant growth 14-19 



Sorghum, effects of solutions of sodium or magnesium with calcium sulphate . . 17-10 



limits of endurance of salts of sodium and magnesium 10, 13, 14, 19 



Sulphate of magnesium, order of toxicity for eight species of plants 13 



sodium, order of toxicity for eight species of plants 13 



Toxicity of sodium bicarbonate for several plants 13 



Triticum vulgare. See Wheat. 



Upland cotton, limits of endurance of salts of sodium and magnesium 10- 14, 19 



Wheat, limits of endurance of salts of magnesium and sodium 12, 13, 19 



Zea mays. See Maize. 



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