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- [2] ESTIMATION OF THE AVAILABLE SOIL-WATER OF FIELD SOIL LAYERS USING THE STRATIFIED SAMPLING METHOD ARCHIV FUR ACKER UND PFLANZENBAU UND BODENKUNDE-ARCHIVES OF AGRONOMY AND SOIL SCIENCE, 1991, 35 (05): : 341 - 347
- [3] REMOTE SOIL-WATER SAMPLING TECHNIQUE SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1971, 35 (04): : 661 - &
- [6] MOBILE SUCTION UNIT FOR SAMPLING SOIL-WATER LANDBAUFORSCHUNG VOLKENRODE, 1972, 22 (02): : 159 - 161