共 7 条
- [1] GOMEZ K.A., 1976, STAT PROCEDURES AGR
- [2] Jackson ML., 1973, Soil chemical analysis: Advanced course, DOI DOI 10.1002/JPLN.19590850311
- [3] Katyal V, 2001, INDIAN J AGRON, V46, P1
- [4] Maiti D., 2003, Indian Agriculturist, V47, P125
- [5] MISHRA B, 2002, EXT SUMM 2 INT AGR C, V1, P76
- [6] Mondal SS, 2004, INDIAN J AGRON, V49, P6
- [7] Yaduvanshi N. P. S., 2001, Journal of the Indian Society of Soil Science, V49, P714