| Q.1 How early can I apply nitrogen to grassland in Spring? |
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A. Nitrogen can be applied from early January onwards or about 6 weeks
before the expected turnout date. The ideal is to apply nitrogen in January as soon as
ground conditions allow and there is no heavy rain forecast within 48 hours. This nitrogen
will not be leached out of the soil and will be available for uptake when growth
conditions improve in February and March. |
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| Q.2 How late can nitrogen be applied to grassland in the Autumn? |
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A. In general, nitrogen fertilizer applications should cease by
mid-September on established grassland. However, nitrogen may be applied up to the end of
September where soil temperatures remain high with the likelihood of a satisfactory crop
response. |
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| Q.3 Will heavy rain wash away recently applied fertilizer? |
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A. If there is heavy rain within 48 hours of a fertilizer application
significant amounts of fertilizer can be lost in run-off water. If the rain occurs after
48 hours most of the fertilizer will be absorbed onto the soil and won't go into solution
and the risk of loss is greatly reduced. |
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