Soil chemical properties and nutrition of conilon coffee fertilized with molybdenum and nitrogen

Rosado, Thiago Lopes; Freitas, Marta Simone Mendonça; Carvalho, Almy Júnior Cordeiro de; Gontijo, Ivoney; Pires, André Assis; Vieira, Henrique Duarte; Barcellos, Ronildo

doi:10.36783/18069657rbcs20210034

Cited by 2 publications

(2 citation statements)

References 35 publications

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“…2012;Cai et al 2017). Decreased soil pH (Fig.1a) might also enhance the adsorption of molybdate anions onto positively charged Fe-, Mn-, and Al-oxides in the soil after N addition(Geng et al 2013;Jiang et al 2015;Rosado et al 2021). However, soil available Mo concentration increased with N addition showing an opposite trend with that of plant Mo, especially under Mo addition (Fig.2a).…”

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Plant molybdenum uptake as mediated by synergism with phosphorus but antagonism with sulfur in a fertilized and mown meadow

Li¹,

Wang

Wang³

et al. 2022

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Purpose Whether molybdenum (Mo) addition promotes Mo uptake by plants in nitrogen-fertilized ecosystems may depend on nutrient interactions. But this has rarely been paid attention to in continuously mown and nutrient-losing grassland ecosystems. Methods We investigated Mo uptake by three dominant species and how it varied with plant phosphorus and sulfur concentrations after 6-year combined nitrogen and Mo addition and mowing management in a cold meadow. Results Molybdenum addition increased Mo concentrations in the three plant species across all treatments due to increased soil available Mo. Without Mo addition, nitrogen addition significantly reduced Mo concentrations of Leymus chinensis irrespectively of mowing and of Stipa baicalensis with mowing. With Mo addition, the negative nitrogen-addition effect on plant Mo absorption was boosted for all plant species. This could be due to the fact that increases in plant sulfur absorption possibly induced antagonistic effects on plant Mo uptake. Additionally, reductions in plant phosphorus concentration weakened the synergistic uptake of Mo by plants with nitrogen addition, except for Carex duriuscula. Mowing only reduced Mo concentration of S. baicalensis without nitrogen addition under Mo addition. Conclusions Our results indicated that plant Mo deficiency could occur in nitrogen-fertilized ecosystems via nutrient interplay, facilitating it a necessity to supplement Mo.

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“…Alrashidi et al 2020). With N addition, Mo addition possibly increased the concentration of soil adsorbed Mo instead of water-soluble Mo, thus resulting in higher soil available Mo concentration but lower plant Mo concentrations(Rosado et al 2021). …”

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confidence: 99%