Irrigate your potatoes now, says UK senior agronomist

May 31, 2011
Don’t save your water for later – use it now, Eric Anderson, senior agronomist at Scottish Agronomy urges potato growers.
 
“Tuber initiation is under way and growers with a soil water deficit of more than 25mm could experience lower yields with adverse effects on tuber size distribution if they don’t irrigate now,” he explains. “Growers really need to ensure efficient water uptake by maximising rooting capacity. This need has been accentuated by the unusually dry spring.” 
 
Mr Anderson will be running a workshop about water usage and the impact of soil structure damage on water uptake at the East Midlands Potato Day at QV Foods, Holbeach Hurn, Lincolnshire on July 5,
 
He points out the need to minimise cultivation expenses without compromising yield.
 
In these times of escalating fuel prices, the cost of soil structural damage is rising because crops need more irrigation if rooting is reduced. Recent studies monitoring diesel usage have shown that it takes 80 litres of diesel to pump 250 m3 of water (25mm/ha). Furthermore, bed tilling typically costs £98/ha, of which 40 per cent comprises diesel.
 
A farm-fuel audit and increasing efficiency of operations could easily save over ten per cent of annual fuel costs, he says.
 
“Before you can manage you need to measure. We are focusing our efforts on cost-benefits analysis to help growers achieve maximum possible returns from their efforts.”
 
At the Potato Council’s East Midlands Potato Day, Reuben Morris from Frontier Agriculture will examine various control programmes that help keep Alternaria at bay. In addition Frontier representatives will be discussing available defoliation options.
 
Andy Barker from Barworth Agriculture will be demonstrating results from his work on biofumigation and John Keer from Richard Austin Associates will offer his latest thoughts on herbicides that will include a visual display of variety post-emergence sensitivity.
 
McCain Foods regional CEO Nick Vermont and Asda category director Rick Bourne will offer insights and updates on industry issues and developments from the customer’s point of view.
 
Growers will also have the opportunity to meet the new Potato Council head of communications, Dr Sharon Hall, who will give her views on the future of knowledge transfer for potato growers and purchasers.
 
“Based on feedback, we have shortened the indoor sessions this year so there is more time for small group interaction in the field,” says Potato Council’s Gary Collins, one of the event organisers. “These small groups are an ideal opportunity for growers to share thoughts and get the most from industry specialists.”
 
The East Midlands Potato Day is organised by Potato Council, QV Foods and McCain Foods.
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