TY - BOOK AU - Pitala,Joachim Aquinas Richard ED - Papua New Guinea University of Technology. TI - Effect of liming on soil pH, phosphorus availability and uptake Siratro in some Papua New Guinea soils PY - 1990/// CY - Lae PB - Papua New Guinea University of Technology KW - Liming of soils KW - Papua New Guinea KW - Soils N1 - Research report (AGP 70) submitted in partial fulfilment of the requirements for the Postgraduate Diploma in Agriculture ER -