Use of Water in Typical Northwest German Agricultural Activities
|Questions||Business 1 (cows)||Business 2 (horticulture)|
|1. What do you use water for?||Drinking supply for the animals, as well as cleaning of the milking parlour, barn and equipment.||They use it to water the plants and to clean the green houses.|
|2. How much water do you use?||Per day 10.000 litres.
Per year 3.650.000 litres.
|3. Where does the water come from? Earlier and now?||Now:
From the “OOWV”, the regional water supplier.
|They pump water from a private rainwater pond.|
|4. Is the water price as high as in a normal household?||Yes, but they do not have to pay sewage charges.|
|5. Do you use drinking water or rainwater?||Just drinking water.||They only use rainwater because the pond has always supplied enough water.|
|6. Where does the used water go to?||The water goes into the manure silo and is then driven to the country.||The water is collected in collecting basins under the plant tables. The unused water flows back into the pond and is reused later.|
|7. Is the water reusable?||Yes, it is used as part of the manure again.||Yes, it is reused. First the quantity of fertilisers in the water is measured and then it is adjusted to the needed quantity of fertilisers.|
|8. How do you try to safe water?||We are repairing leaks in the pipe. Therefore, a boiling water cleaning system was installed, which cleans the milk pipes without any detergents. This water can then cool down and be reused as drinking water for the cows.||Yes, it is reused (see above).|
|9. What pollutants end up in the groundwater?||Nitrogen and Phosphorus only reach the groundwater if too much manure is brought onto the fields. But there are strict monitoring systems to prevent this.||They collect the unused water in collecting basins and then reuse it.|