Cow (cattle) urine as a fertiliser-cum-pesticide: These days, when people are apprehensive of the negative impacts created by the use of chemical pesticides in a agriculture, cattle urine can be a good solution.If you own a Cow, then, don't even think of buying fertilisers. Here are some of the best methods : COW URINE AS A PESTICIDE: When fermented for 15 days along with neem leaves, cow urine can be sprayed over the agri field to repel insects. COW URINE AS A FERTILIZER: 1.Diluted cattle urine with 10 parts of water per unit part of urine can be used as an organic fertilizer. (We provided this to the sambangi (tuberose) plants in our field.