
A critique: "Potassium requirements of pasture on Pumice soil" by Morton et al.
Author(s) -
D. C. Edmeades,
R.M. Mcbride
Publication year - 2015
Publication title -
journal of new zealand grasslands
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 2
eISSN - 2463-2880
pISSN - 2463-2872
DOI - 10.33584/jnzg.2015.77.471
Subject(s) - pumice , pasture , potassium , soil water , spring (device) , environmental science , agronomy , soil science , geology , geochemistry , biology , materials science , engineering , metallurgy , volcano , mechanical engineering
Morton et al. (2014) presented the results from two rates of potassium (K) pasture trials conducted on Pumice soils which commenced in spring 2009 and ran for 3 years. They reached a number of conclusions with respect to the management of potassium requirements on such soils, based on the soil Quick Test K (QTK) samples (0-75 mm) collected in spring and suggested that the results from these two sites were unique. While noting that soil samples were collected in the autumn, they did not include these data in their anaylsis and discussion of the results. This communication discusses the implications of this omission. Keywords: potassium, pasture, pumice, soil tests