Farming under nitrate leaching limits: ‘A case study of the effects of meeting potential nitrate leaching limits in a Canterbury dairy farming situation’
This report investigates the impact that altering the farm system of Singletree Dairies in mid Canterbury to achieve a predicted nitrogen leaching loss in Overseer of 24kgN/ha/year will have on both the operation management of the farm and the financial effects of this. Singletree Dairies currently has a predicted leaching loss of 32kgN/ha/year and through the implementation of more pivot irrigation, increasing the area that effluent is applied along with altering nitrogen fertiliser management in April and May the level of leaching loss can be reduced to 24kgN/ha/year. The management and financial implications of these alterations are minor and are viewed as quite achievable.... [Show full abstract]
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