00843naa a2200157 a 450000100080000000500110000800800410001910000210006024501380008126000090021952003580022865000120058665300240059870000160062277300470063816470382023-05-05       1986    bl uuuu     u00u1 u    #d1 aNOORDWIJK, M. V.  amycorrhizal infection in relation to soil pH and soil phosphorus content in a rain forest of northern Sumatra.h[electronic resource]  c1986  aMycorrhizal infection was studied in mixed samples from rain-forest roots in relation to soil fertility (pH(KC1), total P and P-A1), vegetation structure and litterfall in a rain forest reserve on terraces of different geological age. A marked lowering of topsoil pH and reduction in available phosphorus levels with increasing geological age was found.  asoil pH  aVegetation turnover1 aHAIRIAH, K.  tPlant and Soilgv.96, n.2, p229-302, 1986.