February UPDATE to Manure Spreading Advisory #4 2015: South Coast Region

Watch the T-Sum for your area increase at The T-Sum is one factor used to determine appropriate timing for the first manure application on grass fields. More importantly, however, decisions about the first manure application should consider the overall risks of runoff from the field, not just the state of the grasses. On some but not all fields, conditions will be suitable for manure application before T-Sum reaches 200. On other fields, conditions will not be suitable even after T-Sum reaches 200 (e.g. if fields are still saturated from rains)

Manure Spreading Advisory #4 2015: South Coast Region

In general, manure application on any crops is not advised. See below for advice on avoiding overflowing manure pits. What is the concern with spreading manure now? Although a manure application now, under the most favourable conditions, may lead to a growth spurt of grass (Fig. 1), most of the nitrogen in manure that would be spread now will be leached and lost from the soil during the cold, rainy season, before the grass can use it (Fig. 2). Advice: don’t just feed the microbes, feed the crop by waiting to apply manure.