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Localized nutrient supply (especially P plus ammonium) can greatly stimulate root proliferation. Ammonium uptake induces proton release and causes rhizosphere acidification. However, the role of ammonium in improving root proliferation and nutrient uptake in the localized application of P plus ammonium is not fully understood. This study examined the ammonium-dependent effect of localized application...
Root growth of many plant species can be stimulated by localized supply of nutrients such as nitrate, ammonium and phosphorus (P). The ammonium supply can cause rhizosphere acidification by inducing proton release from roots, but little information is available about ammonium and P interaction in improving nutrient use and plant growth through modifying rhizosphere processes in the field. In the present...
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