共 44 条
- [12] A comparison of methods for determining the hydrogen-ion concentration of soils. JOURNAL OF AGRICULTURAL SCIENCE, 1931, 21 : 337 - 365
- [14] REPORT ON HYDROGEN-ION CONCENTRATION OF SOILS OF SEMI-ARID REGIONS JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1947, 30 (02): : 307 - 308
- [16] HYDROGEN-ION SPECIATION IN ACID PRECIPITATION OF NORTHEASTERN UNITED-STATES WATER AIR AND SOIL POLLUTION, 1976, 6 (2-4): : 423 - 433
- [17] COOCCURRENCE OF OZONE AND WET DEPOSITED HYDROGEN-ION IN THE UNITED-STATES ATMOSPHERIC ENVIRONMENT PART A-GENERAL TOPICS, 1991, 25 (12): : 2707 - 2716
- [18] CHARACTERISTICS OF SOME PODZOLIC SOILS OF THE NORTHEASTERN UNITED-STATES SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1952, 16 (03): : 231 - 235