共 13 条
- [1] CONSIDERATIONS FOR EFFECTIVE SLOPING LAND DRAINAGE SYSTEMS [J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1972, 36 (05): : 819 - +
- [2] BENOIT GR, 1967, AGRON J, V50, P444
- [3] BORNSTEIN J, 1967, Transactions of the ASAE (American Society of Agricultural Engineers), V10, P590
- [4] BORNSTEIN J, 1964, T ASAE, V7, P38
- [5] COMMONER B, 1968, DEC GLOB EFF ENV POL
- [6] EDWARDS W M, 1970, Ohio Journal of Science, V70, P50
- [7] HOLT RF, 1970, AGR FOOD CHEM, V18, P781
- [8] Jackson ML, 1958, SOIL CHEMICAL ANALYS
- [9] KOLENBRANDER G J, 1969, Netherlands Journal of Agricultural Science, V17, P246
- [10] DETERMINATION OF NITRATE IN BOILER WATER BY BRUCINE REAGENT [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1945, 17 (07): : 426 - 428