Sometime a crop suffers due to some weeds or disease and or pest attack incidence and nutrient deficiency at same time. As we spray the crops rapidly/repeatedly with herbicide or pesticide or nutrient solution, sometime crop shows stress. So, what should be the minimum or ideal time gap between spray of herbicides/pesticides and foliar application of nutrients?
i think it depends on what type of crop you are working on or wanting to work on, also sometimes application of herbicides or nutrients solution cause early onset of flowering or delayed of flowering influencing highly in yield of foliage as normally in annual plant foliage decreases (size and amount) onset flowering and full bloom. Anil Kumar so, i think its essential to attempt an trial and error method on small scale. dilution rate also plays an important role.
At least one week gap is required between herbicide spray and foliar spray of nutrients.
The stress on the plants because of spraying indicates that the concentration of the applied substance is too high. Otherwise, most of foliar fertlizers and pesticides are mixable. I think it is better to treat the stress plants against the pests or desease before spraying the needed fertlizer. In case of using intervals, it should not be more than few days (3-4 days) are enough, i think.
AMR Abdel-Mawgoud thanks for your valuable contribution. I think, beside too high concentration of applied material, applying 2 or 3 foliar applications within 2 or 3 days interval may also cause stress in plants. So, time interval between 2 spray either of fertilizer or of pesticide should be more (minimum one week) i think.
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