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- W3203481851 abstract "<div> <p>Phosphorus solubilisation with varying&#8239;drying and rewetting&#8239;stresses&#8239;under four contrasting soils from different regions of China&#8239;&#160;</p> </div><div> <p>Nyamdavaa Mongol1,&#8239;Jianbo Shen2,&#8239;Philip M. Haygarth1&#8239;&#160;</p> </div><div> <p>&#8239;&#160;</p> </div><div> <p>1Lancaster Environment&#160;&#160;Centre, Lancaster University, Lancaster, LA1 4YW, United Kingdom.&#8239;&#160;</p> </div><div> <p>2Department of Plant Nutrition, China Agriculture University, Key Laboratory of Plant-Soil Interactions, Beijing 100193, PR China&#8239;&#160;</p> </div><div> <p>&#8239;&#160;</p> </div><div> <p>Abstract&#160;</p> </div><div> <p>We&#160;tested the hypothesis that agricultural soils with a recent history of drying and rewetting (DRW) can trigger&#160;phosphorus (P)&#160;solubilisation&#160;in the rhizosphere, with&#160;a subsequent growth response of maize (Zea&#160;mays). Specifically, it aimed at investigating a possible delayed effect of DRW stresses on the soils by studying&#160;the relationship between&#160;P&#160;solubilisation&#160;in the rhizosphere, plant P acquisition and performance, and root growth under different types of agricultural soils with the previous history of a series of DRW events. The soils were collected from four different agricultural regions of China, Shandong, Chongqing, Heilongjiang and Beijing (sieved <2 mm), and then treated with four varying cycles of DRW events prior to the experiment to raise levels of soil biotic and abiotic activities. A controlled pot experiment was conducted in order to establish the Olsen&#8217;s&#160;P&#160;concentration&#160;in the soil, maize shoot P concentrations, root morphology and other rhizosphere parameters, for a duration of 43 days after planting. The results show a positive relationship between plant biomass, plant P concentration and&#160;Olsen`s&#160;P. The effect was most clearly demonstrated by&#160;the&#160;level of plant growth and their biological performance in the rhizosphere, as the plants responded better in the soil with a DRW background than to a soil that did not have a history of DRW in the past. Notably, the most positive results were obtained from the&#160;Haplic&#160;Phaeozems&#160;soil of Heilongjiang, leading to an acceptance of&#160;the&#160;hypothesis.&#160;However, the soluble P concentration and plant growth response varied depending on P application rates and soil types.&#160;&#160;</p> </div><div> <p>&#160;</p> </div>" @default.
- W3203481851 created "2021-10-11" @default.
- W3203481851 creator A5009846148 @default.
- W3203481851 date "2021-03-04" @default.
- W3203481851 modified "2023-09-27" @default.
- W3203481851 title "Phosphorus solubilisation with varying drying and rewetting stresses under four contrasting soils from different regions of China " @default.
- W3203481851 doi "https://doi.org/10.5194/egusphere-egu21-13596" @default.
- W3203481851 hasPublicationYear "2021" @default.
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