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4 ways to promote root growth 1.Essential Nutrients Supply Phosphorus potassium &Nitrogen are the essential nutrients to support root growth for plants. They encourage plants to put down a dense collection of new roots and strengthen existing roots as they develop. Phosphorus helps establish healthy root systems at the beginning of growth. And promotes root growth, flowering and fruit setting. Potassium can thicker plants cell walls. It will increase plants tolerance to stresses and promote root growth. 2.Root Stimulators Hormones Auxin is a plant hormone that plays an important role in plant growth and development as a regulator of many biological processes, especially IAA,IBA & NAA. They are the natural plant auxin’s effect on the stimulation of the root. And induce earlier root formation & development and the higher number of roots formation. They also widely used in stimulating root germination in cutting propagation. 3.Microbial Bio-fertilizer Microbial fertilizer is widely used in protecting & promoting roots growth. On the one hand, they have a good effect on controlling harmful pathogens, guarding the roots against toxins and diseases in soils. On the other hand, they can break down insoluble nutrients and micronutrients in soils and let them more easy to be absorbed by crops. And produce & release beneficial natural substances such as auxins, cytokinins to promote roots growth. Such as mycorrhizae, Trichoderma harzianum & Bacillus subtilis. 4.Appropriate Management Apply root promoting fertilizer under regular schedule contain a high content of phosphorous; Ensure the appropriate growth temperature; Provide adequate light; Do not overwater. More info:https://www.doraagri.com/how-to-promote-root-growth/
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