Tag Archives: nitrates in water

Drive for irrigation efficiency backfires

[ 12/May/21 A comment on Ailsa’s facebook page] Pivotal Problem – drive for irrigation efficiency backfires They do not even mention the major source of N. It is complex. There are about 1 million cows, each cow excretes about 10 … Continue reading

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Nitrate Allowances

Link to Stuff article about nitrate allowances [ 8/April/21 Tim’s Facebook page] If you are going to allow 100Kg of nitrate/Ha to leach, then you have to budget sufficient water going to groundwater to keep that below 0.5mg/l. Doing the … Continue reading

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