共 30 条
[1]
[Anonymous], 1989, SAS STAT US GUID VER
[2]
[Anonymous], 1999, UN NAT STRAT AN FEED
[3]
BEEGLE DB, 1999, AGRONOMY GUIDE 1999, P19
[4]
BEEGLE DB, 1999, 1999 PENN STATE AGR, P42
[5]
PHOSPHATE AVAILABILITY IN CALCAREOUS VERTISOLS AND INCEPTISOLS IN RELATION TO FERTILIZER TYPE AND SOIL PROPERTIES
[J].
FERTILIZER RESEARCH,
1995, 40 (02)
:109-119
[7]
Havlin JL., 2016, SOIL FERTILITY FERTI, V8th
[10]
Kuo S., 1996, Methods of soil analysis. Part 3 - chemical methods., P869