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Fertilising silage ground: 'Cheaper Cut Sward' sounds like a great deal - but is it?

'Cheaper Cut Sward' products are becoming popular

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Nationally, 90pc of our soils are deficient in either phosphorus (P), potassium (K) or lime, and our silage ground is no different.

The majority of soil sample results off silage ground that land on my desk are typically either index 1 or 2 for P and K, and it is probably no surprise either when you consider that we have halved the volume of phosphorus, potassium and lime being applied on Irish farms since the 70s (see Table 1).

0-7-30 was the product of choice for the majority of farmers fertilising silage ground in the 70s and 80s, but it was gradually replaced by Cut Sward (24-2.5-10) in the 90s and Noughties, and now we are seeing 'cheaper Cut Sward' products becoming popular such as 23-2.2-4.5.


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