Potassium requirements of pastures on North Island east coast hill country in New Zealand

References

• Brock JL, Hay MJM. 2001. White clover performance in sown pastures: a biological perspective. Proceedings of the New Zealand Grassland Association. 63:73–84.
   Google Scholar
• Brockman JS, Shaw PG, Wolton KM. 1970. The effect of phosphate and potash fertilisers on cut and grazed grassland. Journal of Agricultural Science, Cambridge. 74:397–407. doi: 10.1017/S0021859600023042
   Web of Science ®Google Scholar
• Doak BW. 1952. Some chemical changes in the nitrogenous constituents of urine when voided on pasture. Journal of Agricultural Science, Cambridge. 42:162–171. doi: 10.1017/S0021859600058767
   Web of Science ®Google Scholar
• Edmeades DC, Morton JD, Waller JE, Metherell AK, Roberts AHC, Carey P. 2010. The diagnosis and correction of potassium deficiency in New Zealand pastoral soils: a review. New Zealand Journal of Agricultural Research. 53:151–173. doi: 10.1080/00288233.2010.482954
   Web of Science ®Google Scholar
• Frame J. 1990. Herbage productivity of a range of secondary grass species in association with white clover. Grass and Forage Science. 45:57–64. doi: 10.1111/j.1365-2494.1990.tb02182.x
   Web of Science ®Google Scholar
• Gillingham AG, Morton JD, Gray MH. 2007. Pasture responses to phosphorus and nitrogen fertilisers on East Coast hill country: total production from easy slopes. New Zealand Journal of Agricultural Research. 50:307–320. doi: 10.1080/00288230709510299
   Web of Science ®Google Scholar
• Gillingham AG, Morton JD, Gray MH. 2008. Pasture responses to phosphorus and nitrogen fertilisers on east coast hill country: 2. clover and grass production from easy slopes. New Zealand Journal of Agricultural Research. 51:85–97. doi: 10.1080/00288230809510438
   Web of Science ®Google Scholar
• Harris W. 1973. Why browntop is bent on creeping. Proceedings of the New Zealand Grassland Association. 35(1):101–109.
   Google Scholar
• Hewitt AD. 2010. New Zealand soil classification third edition. landcare research science series no. 1. Lincoln: Manaaki Whenua Press.
   Google Scholar
• Lambert MG, Clark DA, Grant DA, Costall DA. 1986. Influence of fertiliser and grazing management on North Island moist hill country. 2. Pasture botanical composition. New Zealand Journal of Agricultural Research. 29:1–10. doi: 10.1080/00288233.1986.10417968
   Web of Science ®Google Scholar
• Ledgard SF. 1991. Transfer of fixed nitrogen from white clover to associated grasses in swards grazed by dairy cows, estimated using 15N methods. Plant and Soil. 131:215–223. doi: 10.1007/BF00009451
   Web of Science ®Google Scholar
• Ledgard SF, Roach CG. Sowry SR. 1997. N, P, K research at the Te Kuiti Research Station. Proceedings of the New Zealand Fertiliser Manufacturers’ Association Technical Conference. 24:160–170.
   Google Scholar
• McLaren RG, Cameron KC. 1994. Soil science. An introduction to the properties and management of New Zealand soils. Auckland: Oxford University Press. 294 pp.
   Google Scholar
• Metson AJ, Gibson EJ. 1974. Chemistry and physical chemistry of potassium. soil groups of New Zealand Part 1. yellow-brown pumice soils: 88–90. Wellington: Government Printer.
   Google Scholar
• Morton JD. 1981. The influence of trial management on pasture responses to potassium on a Pakihi soil. New Zealand Journal of Experimental Agriculture. 9:271–277. doi: 10.1080/03015521.1981.10425425
   Web of Science ®Google Scholar
• Morton JD. 1984. Spatial distribution of excreta and its effect on soil fertility. MAF Internal Report. 35 pp.
   Google Scholar
• Morton JD, Stafford AD, Hawke M. 2014. Potassium requirements of pasture on pumice soils. Proceedings of the New Zealand Grassland Association. 76:193–196.
   Google Scholar
• Morton JD, Roberts AHC. 2017. Fertiliser use on New Zealand sheep and beef farms. Wellington: Fertiliser Association of New Zealand publication. 48 pp.
   Google Scholar
• O’Connor MB, Gray MH. 1984. Fertiliser requirements of Gisborne-East Coast hill country. Proceedings of the New Zealand Grassland Association. 45:83–91.
   Google Scholar
• Officer S., Tillman R., Palmer A., Kirkman J. 1997. Potassium requirements of hill country soils in North Island, New Zealand. Proceedings of the New Zealand Fertiliser Manufacturers’ Technical Conference. 24:77–86.
   Google Scholar
• Shaw PG, Brockman JS, Wolton KM. 1966. The effect of cutting and grazing on the response of grass/white clover swards to fertilizer nitrogen. Proceedings 10th International Grassland Congress. p. 240–244.
   Google Scholar
• Toxopeus MRJ, Gordon RB. 1971. Rational fertiliser practice on pumice soils. Proceedings of the New Zealand Grassland Association. 33:35–41.
   Google Scholar
• Ulyatt MJ, Lancashire JA, Jones JA. 1976. The nutritive value of legumes. Proceedings of the New Zealand Grassland Association. 38(1):107–118.
   Google Scholar