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February 2008

Spring IS in the air! Having suffered 125mm of rain in January February has provided us with the cold start we hoped to help further suppress the disease bank. Having convinced myself about the justification of a T0 spray doubts start to nag at me. Mildew that was well established

in wheat and barley will hopefully now be knocked back. The mild January has helped backward wheat crops further establish themselves and look “full”.

The vision of frost and sunshine has lead to the usual flurry of phone calls about early nitrogen. Unlike last year, this year early nitrogen will be a priority on the large number of backward wheat and rape crops. This coupled with a pigeon population which resembles the entire Chinese population! Means that fertiliser spreaders will be moving this week. Crops which are badly grazed by vermin will receive some genuine TLC with 125kg/ha product this month and next. Sulphur is now a standard application, in this dressing for rape and some cereals.

Looking for Phoma and light leaf spot infection is particularly challenging as short of dissecting half the local pigeon population there appears to be few leaves to see! Needless to say I can find them and once again star my internal debate on spraying them. The dynamics of high commodity prices make you re-visit many areas previously glossed over. The yield response required justifying a spray application at L140/tonne or L300/tonne is a lot less than when cereals were around L60/tonne and rape at L140/tonne.

 

   
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