共 26 条
[1]
*AFNOR, 1985, NORM FRANC NF U44 14
[2]
AFNOR, 1987, REC NORM FRANC QUAL
[3]
Barber S., 1984, SOIL NUTRIENT BIOAVA, P49
[4]
Barraclough P. B., 1990, Development of K-fertilizer recommendations: proceedings 22nd Colloquium of the International Potash Institute, Soligorsk, USSR 18-23 June, 1990., P217
[5]
BECKETT P. H. T., 1965, Agrochimica, V9, P150
[6]
Bertsch P. M., 1985, Potassium in Agriculture, P131
[7]
BOLT G. H., 1963, SOIL SCI SOC AMER PROC, V27, P294
[8]
Bolt G. H., 1978, Soil chemistry. A. Basic elements, P54
[9]
DATTA S C, 1989, Journal of the Indian Society of Soil Science, V37, P268
[10]
DATTA S C, 1988, Journal of the Indian Society of Soil Science, V36, P676