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P. 24
โครงการหนังสืออิเล็กทรอนิกส์ด้านการเกษตร เฉลิมพระเกียรติพระบาทสมเด็จพระเจ้าอยู่หัว
Meunchang, S., S. Panichsakpatana, S. Ando, T. Yokoyama and R. W. Weaver. 2006 b. Bio-organic
Fertilizer production development from compost and plant growth promoting rhizobacteria.
In Abstract of 14 world fertilizer congress. January 21-27, 2006. Chaing Mai Thailand.
th
Murty, M. G. and J. K. Ladha. 1988. Influence of Azospirillum inoculation on the mineral uptake and
growth of rice under hydroponic condition. Plant and Soil 108: 281-285.
Peech, M. 1965. Hydrogen-ion activity in Methods of Soil Analysis Part 2; C.A. Black, ed. pp. 914-926.
Thomas, G.W. 1982. Exchangeable cations. In Methods of Soil Analysis. (AL Page et al, eds)
Agronomy 9; 154-157 (Madison).
Walkley, A. and I.A. Black. 1934. An examination of the Degtjareff method for determining soil
organic matter and a proposed modification of the chromic acid titration method.
Soil Science 37: 29-38.
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