Magnesium – the basis of good farm health Feb 2016

The last dolomite article contained the quote by the late Tom Walker, a past Emeritus Professor of Soil Science at Lincoln University, “It makes good sense to me to correct animal deficiencies through the soil and the plant.” When animal deficiencies are...

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How magnesium deficiencies can be sorted Jan 2016

Some things change over time, and others don’t, with one certainty being the daily demand for magnesium by dairy cows, particularly prior to calving. Without adequate daily intake of magnesium a wide range of health problems occur – at one end of the scale...

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A better solution than nitrogen July 2015

In years of low income, nitrogen sales rise relative to phosphorus, potassium, and sulphur inputs on the basis that nitrogen produces the cheapest supplementary feed. There’s an attitude that soil nutrients can be mined for a period of time and replenished...

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Magnesium – Cinderella of NZ Agriculture May 2015

“We can no longer afford to think in terms of N P and K; we must include S and Mg.” This statement is from an article titled, Magnesium – Cinderella of NZ Agriculture, written 50 years ago by M.R.J. Toxopeus a scientist at the Ruakura Research Centre. The...

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Dolomite – the only magnesium you’ll need April 2015

When a milking cow in spring runs short on magnesium, the cost incurred isn’t difficult to calculate.  In a worst case situation she dies, and the cost is the value of the animal, and her production during the coming season.  Should she die prior to...

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Why dolomite in autumn saves time and money, March 2015

In the past, when dairy income has been tight, withholding autumn fertiliser has been seen as a valid means of containing costs. But is it a sound option?  Farmers that spent less on feed last spring, without reducing animal numbers, are reporting fewer...

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Enjoying family gatherings, October 2014

A report of Dairy NZ’s recent annual meeting quoted Dairy NZ director Alister Body as saying that he was apprehensive about going to social gatherings knowing someone might “have a go” about dairy farming. Chief executive Tim Mackle was also quoted as...

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What old cars and urea have in common, July 2014

My love of cars and enjoyment of driving stems from the exquisite sense of freedom achieved as a result of purchasing my own vehicle as a teenager.   Summers of picking up hay provided sufficient money for the restrictions of push bikes and unreliable bus...

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When less produces more. May 2014

It’s not run-off into waterways from pastoral land that’s the greatest concern it’s what’s coming out the bottom into aquifers that’s the major contaminator and the quickest and most effective way to stop that is to cease tipping it in the top. Nitrogen...

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