The efficacy of weak-acid herbicides is improved with acidic spray water pH. Hard-water antagonism is more prevalent with weak-acid herbicides. Spray solution temperature between 18 C and 44 C is optimum for some weak-acid herbicides. The effect of water turbidity is severe on herbicides with...

Research trials found that hydrated lime may be an effective tool for managing clubroot disease in canola when optimal timing and rainfall are achieved. Field and greenhouse trials found hydrated lime more effective than limestone applications, but is much more costly. Clubroot disease, caused by Plasmodiophora...

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