Drought Doubts…

Drought Doubts…

During a discussion concerning the effects of last year’s dry spell, the need to water manually and the possible stunted growth of crops, an authoritative source made the following point to me. London tap water is hard, it already carries a load of minerals when it comes out of the tap. Therefore, its ability to pick up extra chemicals in the form of non organic fertilizers and spread them through the soil is more limited than rain water. In the worst case scenario, the tap water may become saturated with fertilizers, minerals, salts etc. with the consequence that any fertilizer already in the ground might be either washed away before being dissolved or concentrated to the extent that it might burn the roots of some plants. The moral of the story being if prolonged dry weather is expected be careful of how much chemical fertilizer you use and consider how best to water it in.

John Clark

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