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Risk of clogging of drip-line emitters during urine fertilization through drip irrigation equipment

Zandee, M. (2012)

Published in: 2012

Swiss Federal Institute of Aquatic Science and Technology (EAWAG), Switzerland

Zandee, M.

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Content - Summary

Stored human urine can be used as a balanced fertilizer in agriculture. However there are some challenges related to field application of urine. Using urine as a liquid fertilizer through drip irrigation could help overcome some of these challenges. In this report we describe the results of a field study aimed at testing two possible ways of coombinig urine fertilization and drip irrigation. The main finding ist that a system in which the water / urine mix is allowed to settle in the tank of the irrigation system for 45 minutes does not lead to more work for the farmer in terms of inspecting and unblocking the emitters in the drip lines than using only water. A second system, where irrigation with urine and water was done in sequence, did not function well. The most likely reason for this problem is a lack of pressure in the sysem when pure urine was used.

For situations where a different type of drip irrigation system is used and for places with hard water (high calcium content) we recommend further small scale testing before investing in a large system.

Bibliographic information

Zandee, M. (2012). Risk of clogging of drip-line emitters during urine fertilization through drip irrigation equipment. Swiss Federal Institute of Aquatic Science and Technology (EAWAG), Switzerland

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East Asia & Pacific English Practitioners Urine


Risk of clogging of drip-line emitters during urine fertilization through drip irrigation equipment

Format: pdf file
Size: 4.41 MB

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