共 50 条
- [1] AN EVALUATION OF MOGILEVKINAS METHOD OF DETERMINING FIXED AMMONIUM IN SOILS SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1966, 30 (03): : 409 - +
- [4] DEVELOPMENT OF A QUICK METHOD FOR DETERMINING PLANT-AVAILABLE MAGNESIUM IN ARABLE SOILS ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1989, 33 (01): : 21 - 26
- [5] DEVELOPMENT OF A QUICK METHOD FOR DETERMINING PLANT-AVAILABLE COPPER IN ARABLE SOILS ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1989, 33 (01): : 27 - 32
- [6] AN EVALUATION OF THE CARBON DIOXIDE METHOD OF DETERMINING AVAILABLE PHOSPHORIC ACID IN HIGH LIME SOILS JOURNAL OF THE AMERICAN SOCIETY OF AGRONOMY, 1948, 40 (11): : 1045 - 1046
- [8] COMPARISON AND EVALUATION OF METHODS OF DETERMINING FIXED AMMONIUM IN SOILS SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1967, 31 (04): : 466 - &