The question is about microdosing concept and its application in agriculture
Dear Kafula,
The two papers below can be useful for you:
Tovihoudji et al. 2017 Combining hill-placed manure and mineral fertilizer enhances maize productivity and profitability in northern Benin. Nutrient Cycling in Agroecosystems. doi: 10.1007/s10705-017-9872-8
Tovihoudji et al. 2017 Fertilizer microdosing enhances maize yields but may exacerbate nutrient mining in maize cropping systems in northern Benin. Field Crops Research, 213, 130-142. doi: https://doi.org/10.1016/j.fcr.2017.08.003
Regards,
Alcade
Dear Kafula Chrisanga, I understand you want to test microdoses of nutrients in relation to maize development using a pot experimental venue. I would suggest that using a soluble triple 15 foliar fertilizer with micronutrients. The treatments for the experiment would be no application water spray, 1, 10, 100 and 1,000 ppm fertilizer solution. This application would be applied at 1, 2, and 4 weeks and the plants analyzed the 6th week. You can measure the comparative development by looking at the vegetative aboveground growth and take fresh and dry matter productions as well as the nutrient status if analytical laboratory is available. If you get right dose for best results it can give the ideas for a following experiment to better pinpoint a optimum dose. Becase foliar application is more efficient than soil application it will give an idea of how nutrition might be optimized with minimum material being used. Hope these ideas are helpful. PRH
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