Long‐term changes in soil phosphorus status related to P budgets under maize monoculture and mineral P fertilization

Messiga, Aimé J.; Ziadi, Noura; Plénet, Daniel; Parent, Léon‐Étienne; Morel, Christian

doi:10.1111/j.1475-2743.2010.00287.x

Cited by 73 publications

(55 citation statements)

References 33 publications

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“…The stratification of phosphorus in NT maintains higher P concentration in the topsoil. Lupwayi et al (2006) found more bicarbonateextractable P in the top eight cm of soil with NT than with conventional tillage and 3.5 times greater available P concentration in the 0-5 cm soil layer than in the 5-15 cm layer in NT, similar to other studies (Franzluebbers and Hons 1996;Schwab et al 2006;Costa et al 2010;Messiga et al 2010;Calegari et al 2013). Corn roots could respond to this P heterogeneity in both root biomass (Barber 1971;Zhang et al 2012;Xia et al 2013;Deng et al 2014) and root morphology (Mollier and Pellerin 1999;Zobel et al 2007;Zhang et al 2012) variations. No-till tends to maintain higher soil moisture because of reduced soil evaporation (Scopel et al 2013).…”

Section: Introductionsupporting

confidence: 74%

“…The experimental set-up was a split-plot plan replicated four times with two tillage practices (MP and NT) randomized into main plots and nine combinations of nitrogen (N) and P levels randomized into subplots including three N (0, 80, 160 kg N ha −1 every year) and three P (0, 17.5, and 35 kg P ha −1 ) applied, referred to as 0P, 0.5P and 1P. The 0P, 0.5P, and 1P corresponded to approximately 0, 0.5 and 1 time(s) the P annually exported at harvest (Messiga et al 2010). For the purpose of this study, we only considered the optimal level of 160 kg N ha −1 fertilization, the two tillage practices (MP and NT) and the three rates of P applications.…”

Section: Site Descriptionmentioning

confidence: 99%

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The long-term effects of tillage practice and phosphorus fertilization on the distribution and morphology of corn root

Mollier

Ziadi

et al. 2016

Plant Soil

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Background and aims Relevant soil properties and nutrient distributions influencing crop root growth might be different under no-till (NT) and mouldboard plough (MP) management. The possible different root systems within different managements might have key impact on crop nutrient uptake and consequently crop production. Our objective was to assess the long-term combined effects of tillage and phosphorus (P) fertilization on corn (Zea mays L.) root distribution and morphology. Methods Corn root and soil samples were collected during the silking stage at five depths (0-5, 5-10, 10-20, 20-30 and 30-40 cm) and three horizontal distances perpendicular to the corn row (5, 15 and 25 cm) under MP and NT with three P fertilizations (0, 17.5, and 35 kg P ha −1 ) for a long-term (22 years) experiment in eastern Canada. Root morphology and soil properties were determined. Results NT practice decreased corn root biomass by −26 % compared to MP, mainly by decreasing the primary and secondary roots. Additionally, corn roots in NT tend to be more expansive on the surface layer with higher root length and surface densities for the depth of 0-5 cm at two sampling distances of 15 and 25 cm. The 35 kg P ha −1 rate increased the root biomass by 26 and 41 % compared to the 0 and 17.5 kg P ha −1 rates. Conclusions No-tillage practice and low rates of P fertilization reduce corn roots. This is probably caused by the weed competition in NT and the continued downward P status with low P rates over 22 years. Abbreviations MP Mouldboard plough NTNo-till 0P, 0.5P and 1P P fertilization rates of 0, 17.5 and 35 kg P ha −1 every two years RMD Root mass density RSD Root surface density RLD Root length density Plant Soil

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Section: Introductionsupporting

confidence: 74%

Section: Site Descriptionmentioning

confidence: 99%

The long-term effects of tillage practice and phosphorus fertilization on the distribution and morphology of corn root

Mollier

Ziadi

et al. 2016

Plant Soil

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“…Zhu et al (2010) also reported that, in an 8-year field experiment, chemical fertilizers plus straw incorporation did not significantly increase soil TP and Olsen-P contents in subtropical region of China compared with chemical fertilizer application. Phosphorus accumulation in soil under a certain fertilization treatment or P budget usually exhibited a linear correlation with management history (Whalen and Chang 2001;Messiga et al 2010;Ciampitti et al 2011). In our study, the effect of management history on P accumulation in paddy soil was not fully elucidated due to the insufficient samples for each field monitoring period (Table 1), as this was not the main purpose of our study.…”

Section: Effects Of Organic Amendments On Soil P Accumulationmentioning

confidence: 70%

Phosphorus status and its sorption-associated soil properties in a paddy soil as affected by organic amendments

et al. 2015

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Purpose Yet the transformation and contribution of amorphous aluminum and iron which are usually indicated as oxalateextractable forms (Al ox and Fe ox ) to phosphorus (P) sorption in paddy soils, under long-term organic amendments combined with alternating flooding and draining, were not fully understood. The aim of this study was to investigate the effects of organic amendments on P status and P sorption-associated attributes including Al ox and Fe ox in a paddy soil. Materials and methods We selected 26 study sites that varied in three fertilization regimes (i.e., MF, straw, and manure) and three management histories (i.e., 2, 8, and 13 years) in the experiment station. Soil samples were assayed for (1) P accumulation status including total P, Olsen-P, oxalate-extractable (P ox ) and degree of soil saturation with P (DPS), and (2) soil properties associated with P sorption including pH, soil organic matter (SOM), Al ox , and Fe ox . Results and discussion Manure application presented significantly greater values for DPS (16.3 %, P<0.01), Olsen-P/TP ratio (4 %, P<0.01), and Olsen-P/P ox ratio (6.8 %, P<0.01). Moreover, it increased the contents of Al ox and Fe ox in the paddy soil, especially the content of Al ox . Phosphorus accumulation in the paddy soil was not significant in straw treatment vs. MF treatment. Both Al ox (P<0.01) and Fe ox (P<0.05) exhibited significantly linear relationships with SOM, suggesting that the organo-Al(Fe) complexes might widely generate in the paddy soil, which have strong affinity to P. In comparison with Fe ox , Al ox showed greater correlation coefficients with soil P forms (varying from 0.56 to 0.81) and higher predictability for DPS of the paddy soil (R 2 =0.3679, P<0.01). Conclusions These results suggest that Al ox is the primary soil property associated with P sorption in the paddy soil under long-term organic amendments and repeated redox circulations.

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“…Linking P budget and soil P availability would require mechanistic models that are valid under a large range of soil conditions. Such models exist (Stroia et al 2007;Messiga et al 2010), but they are soil-dependent and thus require complex parameterisation based on isotopic dilution methods. Moreover, these models can only account for mineral fertiliser as input, not organic materials such as manure, compost, etc.…”

Section: Discussionmentioning

confidence: 99%

Assessing phosphorus management among organic farming systems: a farm input, output and budget analysis in southwestern France

Nesme

Toublant

Mollier

et al. 2012

Nutr Cycl Agroecosyst

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Organic farming is gaining interest worldwide due to its low environmental impact. However, questions still remain about its long-term sustainability, particularly in terms of nutrient management. There is debate about the ability of organic farming systems to compensate for nutrient exports due to crop and animal production. Stockless systems are considered as the most critical and they are generally associated with negative farm-gate nutrient budgets. In this study, we examined the farm-gate nutrient budgets of 23 organic farms located in southwestern France, with special focus on stockless farming systems. Phosphorus (P) was taken as a case study due to the issue of its critical management in organic farming systems. The farms were characterised on the basis of interviews with farmers and the soil nutrient status was assessed through soil sampling. Results showed that none of the farms imported rock phosphate fertiliser. On the contrary, most farms imported organic fertiliser and/or compost and manure, the latter from neighbouring farms or urban areas. As a consequence, stockless farm P budgets were not necessarily negative and options existed from achieving better nutrient cycle closure. However, soil P test was low to moderate in many cases. These results suggested that P management in organic farming systems is not simply related to the mixed versus specialised characteristics of the farms and that nutrient cycling should be addressed and assessed at a larger, e.g., district, scale.

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Long‐term changes in soil phosphorus status related to P budgets under maize monoculture and mineral P fertilization

Cited by 73 publications

References 33 publications

The long-term effects of tillage practice and phosphorus fertilization on the distribution and morphology of corn root

The long-term effects of tillage practice and phosphorus fertilization on the distribution and morphology of corn root

Phosphorus status and its sorption-associated soil properties in a paddy soil as affected by organic amendments

Assessing phosphorus management among organic farming systems: a farm input, output and budget analysis in southwestern France

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