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This journal provides immediate access to some articles. Volume 3(2); April 1928 Articles STUDIES IN PERIODIC PRECIPITATION PMCID: PMC439996 CHANGES IN THE BUFFER SYSTEM OF THE WHEAT PLANT DURING ITS DEVELOPMENT PMCID: PMC439997 LIPIDES AND THEIR ESTIMATION IN VEGETABLE TISSUES PMCID: PMC439998 A STUDY OF CERTAIN CONSTITUENTS OF THE LEAF AND THEIR RELATION TO THE BURNING QUALITIES OF TOBACCO PMCID: PMC439999 MUCK-SOIL REACTION AS RELATED TO THE GROWTH OF CERTAIN LEAF VEGETABLES PMCID: PMC440000 THE EXTRACTION AND SEPARATION OF CHLOROPHYLL (α+β) CAROTIN AND XANTHOPHYLL IN FRESH GREEN LEAVES, PRELIMINARY TO THEIR QUANTITATIVE DETERMINATION PMCID: PMC440001 FURTHER EVIDENCE OF THE ESSENTIAL NATURE OF ZINC FOR THE GROWTH OF HIGHER GREEN PLANTS PMCID: PMC440002 A STERILE CHARACTER IN SOYBEANS PMCID: PMC440003 Brief Papers: TIMIRIAZEFF AND THE TIMIRIAZEFF AGRICULTURAL INSTITUTE PMCID: PMC440004 Note NOTES PMCID: PMC440005 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
