In last month’s article the possible, even likely, retirement of the local superphosphatemanufacturing operations was mentioned. When first established being sited in harbours made perfect
The closure of the superphosphate manufacturing plants here in New Zealand is ongoing. Theyare old and the cost of upgrading to meet modern environmental standards
The requirement for magnesium to maximize both pasture yield and animal health remainspermanent. Over time soils weather and the loss of minerals to subsoil and
Well, maybe not entirely, but it does depend on which bit of science is focused on and how it is applied. A well-known scientist has
Flat easy contoured land with rich black topsoil has always commanded a price premium over steeper country with lower carrying capacity. Currently most farms operate
As the supply of suitable low cadmiumphosphate rock dwindles, the cost has increased and is likely to continue to do so. The on-going reduction in
