Pitala, Joachim Aquinas Richard.
Effect of liming on soil pH, phosphorus availability and uptake Siratro in some Papua New Guinea soils / Joqachim Aquinas Richard Pitala. - Lae : Papua New Guinea University of Technology, 1990. - 58 p. ; 30 cm.
Research report (AGP 70) submitted in partial fulfilment of the requirements for the Postgraduate Diploma in Agriculture.
Liming of soils--Papua New Guinea.
Soils--Papua New Guinea.
Effect of liming on soil pH, phosphorus availability and uptake Siratro in some Papua New Guinea soils / Joqachim Aquinas Richard Pitala. - Lae : Papua New Guinea University of Technology, 1990. - 58 p. ; 30 cm.
Research report (AGP 70) submitted in partial fulfilment of the requirements for the Postgraduate Diploma in Agriculture.
Liming of soils--Papua New Guinea.
Soils--Papua New Guinea.