Phosphorus budget and organic phosphorus fractions in response to long-term applications of chemical fertilisers and pig manure in a Mollisol

Soil Research ◽  
2011 ◽  
Vol 49 (3) ◽  
pp. 253 ◽  
Author(s):  
Chun Song ◽  
Xiaozeng Han ◽  
Enli Wang
Keyword(s):  
Crop Production ◽  
Organic Phosphorus ◽  
Control Treatment ◽  
Pig Manure ◽  
P Availability ◽  
Soil P ◽  
P Balance ◽  
Fertiliser Application ◽  
Chemical Fertiliser

This paper describes the effects of chemical fertiliser and pig manure application on the phosphorus (P) balance and changes of soil organic P (Po) fractions in a Mollisol following 14 years of maize–soybean–wheat rotation in Northeast China. The experiment was designed according to the local crop rotation and management system, consisting of a control treatment with no fertiliser application, a treatment with chemical nitrogen (N) and P fertilisers, and a treatment with chemical N and P fertilisers plus pig manure. The results suggest that the levels of local chemical fertiliser applications seem to balance the P removal by the crops, while the additional P in the pig manure resulted in substantial accumulation of P in the soil despite greater crop production. Analysis of Po fractions showed that long-term cultivation without fertilisation reduced the soil labile Po. Additions of P through application of chemical fertilisers only preserved the labile Po content, whereas addition of chemical P fertiliser plus pig manure increased the labile Po content. Comparison between 1993 and 2007 soil samples indicates that the moderately labile Po content declined in all treatments, whereas the non-labile Po content increased. These results suggest that the moderately labile Po may be transformed into labile Po and Pi, and that some active P fractions were immobilised during long-term cultivation. Adding fertiliser increased P availability and alleviated soil P immobilisation.

Molecular Speciation of Phosphorus in Soil Under Various Long-Term Fertilization Regimes

2021 ◽  
Author(s):  
Xue Li ◽  
Qiuxiang Wen ◽  
Shiyu Zhang ◽  
Na Li ◽  
Jinfeng Yang ◽  
...  
Keyword(s):  
Plant Growth ◽  
Soil Layer ◽  
Growth And Yield ◽  
Pig Manure ◽  
Corn Yield ◽  
Key Factors ◽  
Mineral Fertilization ◽  
Soil P ◽  
N Fertilizers

Abstract Aims The objectives of this study were to examine the long-term substitution of mineral phosphorus (P) fertilizers with manure (M) plus nitrogen (N) fertilizers and how they affect the forms of P that occur in soil, soil P distribution, and plant growth.Methods We used a solution of 31P nuclear magnetic resonance (31P-NMR) spectroscopy to study the correlations between long-term fertilization regimes and the forms of P that occur at different soil depths. Then we investigated yield, plant growth, and soil properties.Results A 40-year field experiment showed that the use of M + N fertilizers can significantly improve plant growth and yield. The proportion of organic P in the 20-40 cm soil layer was significantly increased by long-term M fertilization. The concentrations of various forms of P (orthophosphate, pyrophosphate, diesters, monoesters, and total inositol hexakisphosphate, IHP) in topsoil increased significantly with the combination of M with N + P mineral fertilization. The addition of M greatly increased the stereoisomers of IHP (myo-IHP, scyllo-IHP, neo-IHP, and D-chiro-IHP) and the proportion and concentration of corrected diesters. There were no significant differences in the pyrophosphate contents of the 40-60 cm soil layer according to fertilization type and year of fertilization. There were also no significant differences in IHP stereoisomers and diesters according to fertilization year. The P forms that contributed to corn yield were orthophosphate, diester, and IHP. Further, pyrophosphate made no significant contribution to corn growth. Conclusions Over the long-term, pig manure can significantly increase the amount of orthophosphate that is directly absorbed by crops and the amount of IHP stereoisomers that can be used by plants. Orthophosphate and IHP are the two key factors that have a positive effect on plant growth.

scholarly journals Soil phosphorus bioavailability as influenced by long-term management and applied phosphorus source

2019 ◽  
Vol 99 (3) ◽  
pp. 292-304
Author(s):  
Tandra D. Fraser ◽  
Derek H. Lynch ◽  
Ivan P. O’Halloran ◽  
R. Paul Voroney ◽  
Martin H. Entz ◽  
...  
Keyword(s):  
Management Practices ◽  
Soil Phosphorus ◽  
P Uptake ◽  
Italian Ryegrass ◽  
P Availability ◽  
P Fractionation ◽  
Soil P ◽  
Plant P Uptake ◽  
Term Management

Soil phosphorus (P) availability may be impacted by management practices, thereby affecting plant P uptake and plant response to P amendments. The aim of this study was to determine the effects of long-term management on soil P pools and to assess the response of P bioavailability, plant growth, and P uptake to mineral versus manure P treatments. Soils were collected from plots under organic (ORG), organic with composted manure (ORG + M), conventional (CONV), and restored prairie (PRA) management. Italian ryegrass (Lolium multiflorum L.) seedlings were grown in the greenhouse for 106 d in soils amended with various rates of manure or mineral P. The ORG soil had lower concentrations of labile P (resin-P and NaHCO3-P) compared with the CONV and PRA soils, as determined by sequential P fractionation prior to planting. Ryegrass biomass (root + shoot) and shoot P uptake from soils receiving no P were significantly lower for the ORG than all other management systems. Although apparent P use efficiency of the whole plant was increased by low P rate in the ORG management system, the source of applied P, manure > mineral, only influenced Olsen test P.

Effects of long-term fertilizer phosphorus application on soil and crop phosphorus and cadmium contents

1998 ◽  
Vol 131 (2) ◽  
pp. 187-195 ◽  
Author(s):  
I. R. RICHARDS ◽  
C. J. CLAYTON ◽  
A. J. K. REEVE
Keyword(s):  
Application Rate ◽  
Trial Period ◽  
Soil Layers ◽  
Soil P ◽  
South West ◽  
P Balance ◽  
P Application ◽  
Phosphorus Application ◽  
South West England

The effects of four rates of fertilizer phosphorus (P) application (0, 9·8, 19·6 and 39·2 kg P/ha per year) on soil and crop P and cadmium (Cd) contents were measured in a field trial begun in 1968 and cropped each year with barley in south west England. In 1996, available and total soil P and Cd were measured in seven soil layers (0–20, 20–25, 25–30, 30–35, 35–40, 40–45 and 45–50 cm). Offtake of P in the crop was measured, or could be estimated, throughout the trial period. There was a linear relationship between P balance (total applied − total offtake) and P application rate with a balance of zero at a rate equivalent to 17 kg P/ha per year. The rate of P required for the economically optimum grain output was equivalent to 30 kg P/ha per year. No evidence was found for available P enrichment of soil layers below 25 cm. There was no evidence of Cd enrichment of either soil or crop after 29 years of P applications.

How Can Soil P Balance Influence Soil Test P? A case study from the Argentinian Pampas

2018 ◽  
Vol 102 (4) ◽  
pp. 11-13
Author(s):  
Florencia Sucunza ◽  
Flavio Gutiérrez Boem ◽  
Fernando García ◽  
Miguel Boxler ◽  
Gerardo Rubio
Keyword(s):  
Soil Test ◽  
Soil P ◽  
Soil Test P ◽  
P Balance ◽  
Study Sites ◽  
Single Response ◽  
The Impact ◽  
P Fertilizers

Data from long-term crop rotation study sites were combined to evaluate the effect of long-term application (and omission) of P fertilizers. The impact of maintaining either a negative or positive P balances on soil test P at five distinct sites was described by single response functions despite a range of differences in soil properties.

scholarly journals Partial Nutrient Balances in Tropical Velvet Bean-Maize System in Zimbabwe

2017 ◽  
Vol 10 (1) ◽  
pp. 133
Author(s):  
Obert Jiri ◽  
Paramu L. Mafongoya
Keyword(s):  
Crop Production ◽  
Maize Yield ◽  
Nutrient Balances ◽  
Velvet Bean ◽  
Application Rates ◽  
Phosphate Fertiliser ◽  
Accurate Indication ◽  
Top Soil ◽  
Fertiliser Application

In a field experiment on legume-maize cropping sequence, the effect of nitrogen and phosphate fertiliser application on nutrient budgeting after a two year cropping cycle was studied. The results of this work showed that partial nutrient balances can give an indication about the sustainability of a system unless a full stock of all the nutrients is known. It is also clear from these results that there would unlikely be a carryover of N to the next season, probably due to leaching of N from the top soil. Positive partial P balances would, on the other hand, be of residual value. However, it should be noted that the positive partial P balances were only observed where maize yield was low. The long-term perspectives of a crop production system cannot be assessed solely on the basis of partial nutrient balances. The nutrient stock: balance ratio may be a better indicator of sustainability, giving a more accurate indication of how long farming can continue in the same way, given the available nutrients. These points towards taking a fresh look at the existing recommended application rates for maize crops.

scholarly journals Four soil phosphorus (P) tests evaluated by plant P uptake and P balancing in the Ultuna long-term field experiment

2018 ◽  
Vol 64 (No. 9) ◽  
pp. 441-447 ◽  
Author(s):  
Jarosch Klaus A ◽  
Santner Jakob ◽  
Parvage Mohammed Masud ◽  
Gerzabek Martin Hubert ◽  
Zehetner Franz ◽  
...  
Keyword(s):  
Soil Phosphorus ◽  
P Uptake ◽  
P Availability ◽  
Soil P ◽  
Extractable P ◽  
Plant P Uptake ◽  
Soil P Tests ◽  
Water Extractable ◽  
Term Field

Soil phosphorus (P) availability was assessed with four different soil P tests on seven soils of the Ultuna long-term field experiment (Sweden). These four soil P tests were (1) P-H<sub>2</sub>O (water extractable P); (2) P-H<sub>2</sub>O<sub>C10</sub> (water extractable P upon 10 consecutive extractions); (3) P-AL (ammonium lactate extractable P) and (4) P-C<sub>DGT</sub> (P desorbable using diffusive gradients in thin films). The suitability of these soil P tests to predict P availability was assessed by correlation with plant P uptake (mean of preceding 11 years) and soil P balancing (input vs. output on plot level for a period of 54 years). The ability to predict these parameters was in the order P-H<sub>2</sub>O<sub>C10</sub> &gt; P-C<sub>DGT</sub> &gt; P-H<sub>2</sub>O &gt; P-AL. Thus, methods considering the P-resupply from the soil solid phase to soil solution performed clearly better than equilibrium-based extractions. Our findings suggest that the P-AL test, commonly used for P-fertilizer recommendations in Sweden, could not predict plant P uptake and the soil P balance in a satisfying way in the analysed soils.

Insights into 33phosphorus utilisation from Fe- and Al-hydroxides in Luvisol and Ferralsol subsoils

Soil Research ◽  
2019 ◽  
Vol 57 (5) ◽  
pp. 447
Author(s):  
Maximilian Koch ◽  
Christopher Guppy ◽  
Wulf Amelung ◽  
Stella Gypser ◽  
Roland Bol ◽  
...  
Keyword(s):  
Crop Production ◽  
Field Capacity ◽  
Triticum Aestivum L ◽  
P Uptake ◽  
Free Form ◽  
Soil Conditions ◽  
P Availability ◽  
Soil P ◽  
Oxide Phases ◽  
Fe Hydroxide

There is currently relatively little available information on subsoil phosphorus (P) use for crop production as a function of soil order. In this study, a rhizobox experiment was performed using subsoils of two reference soil groups, an Orthic Ferralsol and a Haplic Luvisol. To evaluate the immediate P uptake by wheat (Triticum aestivum L.) from different subsoil P pools during 14 days of growth, subsoil bands were spiked with KH2PO4 solution associated to Fe-hydroxide (33P-Fe), to Al-hydroxide (33P-Al), in free form (33P-OrthoP), or in trace amounts without any additional 31P (33P-NoP). At the beginning of the experiment, the soil water content was set at 75% of water-holding capacity, corresponding to an initial soil matric potential of −12 ± 1 kPa. During plant growth, soil moisture decreased in both soils, but soil matric potentials in both soils did not drop below field capacity (−33 kPa; pF 2.5). The shoot dry weights of the Ferralsol were 1.2 to 1.8 times those of the Luvisol. Despite elevated soil P availability in the Luvisol, shoot P concentrations did not differ between the two soils. The amount of 33P taken up by the shoots from the oxide phases was 15% to 40% greater in the Ferralsol treatments than in those in the Luvisol treatments. It was concluded that the more favourable physical soil conditions facilitated 33P uptake from both oxidic phases from the Ferralsol subsoil relative to the Luvisol subsoil, despite better P phytoavailability in the latter.

scholarly journals Adding Intercropping Maize and Faba Bean Root Residues Increases Phosphorus Bioavailability in a Calcareous Soil Due to Organic Phosphorus Mineralization

2021 ◽  
Author(s):  
Dan Liao ◽  
Chaochun Zhang ◽  
Hans Lambers ◽  
Fusuo Zhang
Keyword(s):  
Acid Phosphatase ◽  
Microbial Biomass ◽  
Faba Bean ◽  
Calcareous Soil ◽  
Organic Phosphorus ◽  
P Availability ◽  
Soil P ◽  
Bean Root ◽  
P Content ◽  
Microbial Biomass P

Abstract Background and aims Root residues are an important factor influencing soil phosphorus (P) availability for crop uptake, but how the residues from different species combinations in sole cropping or intercropping systems affect soil P pools remains unclear. Methods Maize and faba bean were planted as either sole crops or intercrops in a P-deficient calcareous soil with and without addition of corresponding previous crop (pre-crop) roots. This was repeated in three cultivations cycles in a greenhouse experiment. Plants sampled in each experiment were analyzed for biomass and P content, and soils sampled from all treatments in the last cultivation were analyzed for soil characteristics. Results Addition of a mixture of intercrop root residues increased biomass, total P content, microbial biomass P concentration and soil acid phosphatase activity, compared with addition of root residues of a single crop. The Hedley soil P fractions from three continuous cultivation cycles differed, depending on root residue source. The sole maize root residue with high C/P ratio caused a considerable depletion of inorganic P (NaHCO3-Pi, NaOH-Pi and 1 M HCl-Pi), and the sole faba bean root residue with lower C/P ratio caused a large depletion in Resin-P and NaHCO3-Po fractions, and the root residue of intercrops with a medium C/P ratio depleted more of the NaHCO3-Po and conc. HCl-Po fractions. However, without root residues, sole faba bean depleted more of the Resin-P, NaHCO3-Pi, NaOH-Pi and NaHCO3-Po fractions than the other two cropping systems did because of its higher P content. Conclusions Adding root residues of mixed species accelerated soil organic P mineralization (NaHCO3-Po and conc. HCl-Po) by increasing microbial biomass P concentrations and acid phosphatase activities, and thus enhanced the intercropping advantage in terms of biomass and P content in a P-deficient soil.

Effect of long-term phosphorus fertilization on soil phosphorus fractions .

2014 ◽  
Vol 2 ◽  
Author(s):  
Ester Crisitna Zamuner ◽  
Andrea Beatriz Díez ◽  
Liliana Inés Picone
Keyword(s):  
Crop Production ◽  
High Rate ◽  
Phosphorus Fertilization ◽  
Buenos Aires Province ◽  
P Availability ◽  
P Fertilization ◽  
Soil P ◽  
Total P ◽  
Bray 1 ◽  
Low Rate

A limitation to crop production in the southeast of the Buenos Aires province (Argentina) is the low phosphorus (P) availability. P fertilization is required for high yields. The objective of this work was to quantify the forms of soil P as affected by different P fertilization strategies after 8 years under wheat. The combination of high rate (H; 176 kg P ha<sup>-1</sup>), low rate (L; 88 kg P ha<sup>-1</sup>), single application (S; at the beginning of the experiment), and fractionated application (F; annual fertilization of 22 and 11 kg P ha<sup>-1</sup>) were evaluated. Soil total P, total inorganic P, total organic P, organic (Po) and inorganic (Pi) extractable with NaHCO<sub>3</sub> and NaOH, were determined, plus available P (P-Bray 1). Fertilization did not change the total P or the total Po (344 and 412 mg P kg<sup>-1</sup>, respectively). Fertilized treatment, compared with a non-fertilized one, increased the concentration of Pi-NaHCO<sub>3</sub> (14.49 and 7.62 mg P kg<sup>-1</sup>) and Pi-NaOH (47.13 and 28.37 mg P kg<sup>-1</sup>). The H rate increased the Pi extracted with NaHCO<sub>3</sub> (13.16 mg P kg<sup>-1</sup>) and with NaOH (53.82 mg P kg<sup>-1</sup>) compared with the L rate (9.82 and 40.43 mg P kg<sup>-1</sup>, respectively). The FH rate increased the concentration of Pi-NaOH (59.55 mg P kg<sup>-1</sup>) compared to SH (48.10 mg P kg<sup>-1</sup>), while the low rate produced no changes in this fraction. In summary, when the amount of P added was fractioned and exceeded the quantity removed by crop, the excess was converted mainly to Pi-NaOH. A positive and significant correlation (r<sup>2</sup> = 0.95; P &lt; 0.001) between the sum of Pi-NaHCO<sub>3</sub>, Pi- NaOH and P-Bray 1 was established.

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