Faq

Frequently Asked Questions

Q.9 When is the best time of the year to apply sulphur to grassland and how much should I apply?

A.From May onwards is the best time. 15 units of sulphur per acre is recommended for second cut silage. In […]

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Q.10 How will I know if my fields need sulphur?

A. A Sulphur deficiency is indicated by yellowing of the younger leaves. It occurs mainly on sandy free draining soils […]

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Q.11 Can there be problems with too much sulphur?

A. Excess sulphur can depress the uptake of selenium in herbage and reduce the absorption of copper by animals. It […]

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Q.12 Can I spread urea in the same year as I spread lime ?

A. The response to urea can be very poor if it’s applied within eight weeks of an application of lime. […]

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Q.13 How late into the growing season can urea be used?

A. May is the cut off point for use of urea. Research has shown that even in cool wet summers […]

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Q.14 I normally apply one bag of urea per acre to my silage fields for early grazing. By how much should I reduce the main application of nitrogen for my first cut silage crop to allow for some carry over of nitrogen?

A. Assume that one third of the bag of urea will be available to the silage crop and you would […]

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Q.15 I spread about 3,000 gallons per acre of cattle slurry to my silage fields in February/early March. How much nitrogen will this slurry contribute to my first cut of silage?

A. It is not possible to predict accurately the nitrogen contribution from slurry as slurry quality can vary. In general […]

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Q.16 What is meant by luxury uptake of potassium (K) and how can it be avoided?

A. Luxury uptake of potassium occurs in rapidly growing Spring grass which has the ability to take up a lot […]

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