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

By John Cotter | January 24, 2023

A. The response to urea can be very poor if […]

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

By John Cotter | January 24, 2023

A. May is the cut off point for use of […]

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?

By John Cotter | January 24, 2023

A. Assume that one third of the bag of urea […]

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?

By John Cotter | January 24, 2023

A. It is not possible to predict accurately the nitrogen […]

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

By John Cotter | January 24, 2023

A. Luxury uptake of potassium occurs in rapidly growing Spring […]

Q.17 Is there a risk of luxury uptake when large amounts of phosphorous (P) are applied?

By John Cotter | January 24, 2023

A. Luxury uptake only occurs with potassium (K) where there […]

Q.18 When is the best time to apply lime to grassland?

By John Cotter | January 24, 2023

A. Lime can be safely applied to grassland at any […]

Q.19 How often should I take soil samples and when is the best time of the year to take them?

By John Cotter | January 24, 2023

A. It is now recommended on intensive farms to sample […]

Q.20 What steps can I take to ensure losses of fertilizer to the environment are minimised?

By John Cotter | January 24, 2023

A. Apply fertilizer on the basis of soil analysis: Never […]

What can I do about high fertilizer prices?

By John Cotter | December 9, 2021

Click Here for the Fertilizer Association’s recent advice on “What to do about high fertilizer prices”.
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