共 19 条
- [2] ATKINSON D, 1969, THESIS U NEWCASTLE U
- [3] FURTHER STUDIES ON VARIABILITY OF SOIL CHEMICAL PROPERTIES - EFFICIENCY OF SAMPLING PROGRAMMES ON AN UNCULTIVATED BROWN EARTH [J]. JOURNAL OF SOIL SCIENCE, 1971, 22 (01): : 60 - &
- [4] VARIABILITY OF SOIL CHEMICAL PROPERTIES IN TWO UNCULTIVATED BROWN EARTHS [J]. JOURNAL OF SOIL SCIENCE, 1968, 19 (02): : 379 - +
- [5] CHANG S. C., 1957, SOIL SCI, V84, P133, DOI 10.1097/00010694-195708000-00005
- [6] CLAPHAM AR, 1962, FLORA BRITISH ISLES
- [7] DAVISON AW, 1964, THESIS U SHEFFIELD
- [9] HEWITT EJ, 1952, 22 TECH COMMUN COMMO
- [10] Jackson ML, 1958, SOIL CHEMICAL ANALYS