Comparative phosphorus requirement of canola and wheat

Bolland, M. D. A.

doi:10.1080/01904169709365298

Cited by 27 publications

(15 citation statements)

References 16 publications

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“…Lupin required about 10% more P than wheat to produce 90% of its maximum grain yield. The results reported here comparing the P requirements of canola and wheat support the results of an earlier study (18). However, this study appears to be the first to compare the comparative P requirement of wheat, canola and lupin as measured in the same experiment in the same year.…”

Section: Discussionsupporting

confidence: 90%

“…The critical P, which is the concentration of P in shoots that was related to 90% of the maximum shoot yield, for canola and wheat in this study are similar to the critical P values for these 2 species determined for grain by Bolland (18). In addition, this study quantified the relationship between the P concentration in shoots measured in September and grain yield measured later on in the year (prognostic critical P).…”

Section: Brennan and Bollandmentioning

confidence: 84%

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Comparing Fertilizer Phosphorus Requirements of Canola, Lupin, and Wheat

Brennan¹,

Bolland²

2001

Journal of Plant Nutrition

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Increases in yield due to applications of phosphorus (P) (0, 5, 10, 15, 20, and 40 kg P=ha) applied as single (ordinary) superphosphate were measured for canola (Brassica napus), lupin (Lupinus angustifolius) and wheat (Triticum aestivum) in a field experiment on a deep sandy soil near Esperance, south-western Australia (WA). There are no data comparing the P requirements of these species grown at the same time, which was done by determining the amount of P required to produce 90% of the maximum yield for each species. The amount of P required was about 50% less for canola than wheat and about 10% more for lupin than wheat (60% more than canola). For each amount of P applied, the concentration of P in shoots and grain was greater for canola, followed by lupin and then wheat, suggesting that canola and lupin roots were better at accessing soil P than wheat.

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Section: Discussionsupporting

confidence: 90%

Section: Brennan and Bollandmentioning

confidence: 84%

Comparing Fertilizer Phosphorus Requirements of Canola, Lupin, and Wheat

Brennan¹,

Bolland²

2001

Journal of Plant Nutrition

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“…Our results also show that the PRE of canola (43%) was more than double that for wheat (17%) in the first crop after P application. This indicates the greater ability of canola to take up fertilizer P than wheat, as shown in this study (Table 3) and in others (Bolland, 1997;Bolland, 2001, 2009;Föhse et al, 1991). Canola has an efficient root-hair system and can exude carboxylates to acidify the rhizosphere (Pearse et al, 2006;Richardson et al, 2011), thereby enhancing its ability to take up available P. In addition, the increases in phosphatase activity and the abundance and diversity of P-solubilizing soil microbes in the rhizosphere of the preceding canola crop may have improved the P supply for the successive wheat crop, leading to consistently high wheat yields in the second and third crop phases in the clay loam (Solaiman et al, 2007).…”

Section: Discussionmentioning

confidence: 49%

Hog‐Manure‐Recovered Struvite: Effects on Canola and Wheat Biomass Yield and Phosphorus Use Efficiencies

Katanda

Zvomuya

Flaten

et al. 2016

Soil Science Soc of Amer J

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Recovery of manure P as magnesium ammonium phosphate hexahydrate (MgNH 4 PO 4 •6H 2 O), commonly known as struvite, can mitigate the risk of P contamination of surface water bodies from hog operations. The slow release of P from struvite may help improve crop P use efficiency. This greenhouse bioassay evaluated the agronomic effectiveness of liquid hog manure recovered struvite. Struvite, monoammonium phosphate (MAP), and polymercoated MAP (CMAP) were evaluated for canola (Brassica napus L.) grown in rotation with spring wheat (Triticum aestivum L.) in two low soil test P (Olsen P < 6 mg kg −1 ) soils: a sandy Gleyed Regosol (Typic Haplaquent) and a clay loamy Orthic Black Chernozem (Udic Boroll). The fertilizers were applied either in the seed row or in a sideband at 1.1 and 2.2 g P m −2 rates. In both soils, struvite produced canola dry matter (DM) yield (DMY, 2.4 g kg −1 soil), P uptake (5.9 mg P kg −1 soil), P recovery efficiency (43%), and agronomic efficiency (0.15 g DM mg −1 P) that were similar to those of MAP and CMAP in the first crop phase. Moreover, at the 2.2 g P m −2 rate, struvite produced significantly greater canola DMY than MAP in the second crop phase and both MAP and CMAP in the third crop phase. Overall, wheat did not produce significant responses to P fertilization. These results indicate that struvite recovered from liquid hog manure can supply sufficient P to sustain yields and P use efficiency matching or exceeding those for MAP.Abbreviations: AE, agronomic efficiency; CMAP, polymer-coated monoammonium phosphate; DM, dry matter; DMY, dry matter yield; EC, electrical conductivity; ICP-OES, inductively coupled plasma optical emission spectrometry; MAP, monoammonium phosphate; PRE, phosphorus recovery efficiency; PU, phosphorus uptake; RO, reverse osmosis; STP, soil test phosphorus. Intensive hog production in western Canada generates manure at an estimated rate of >16 Tg annually (Hofmann, 2013). Manitoba, which has the third largest hog population (2.8 million as of January 2014) of all Canadian provinces (12.7 million hogs total), accounts for about 20% of Canada's daily hog manure output (Statistics Canada, 2014a).Manure from hog operations is typically applied on agricultural land as a source of nutrients for crops. Current regulations in many jurisdictions, including Manitoba, now require that manure be applied based on crop P needs. This is because the N/P ratios of hog manures (2:1-4:1) are typically lower than crop uptake ratios (4:1-7:1) (Nelson and Janke, 2007), with the result that repeated manure applications based on crop N needs can lead to excessive soil test P (STP) levels. Therefore, the amount of hog manure that can be applied on agricultural land without risking noncompliance with the increasingly stringent regulations is limited. Finding suitable land proximal to hog operations can be a daunting task, particularly where soils have received repeated manure applications. This Core Ideas: Yeukai Katanda• Struvite recovered from liquid hog manure is a slow-release P source....

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“…These soils are typically deficient in phosphorus (P) and N (Moore, 1998). Profitable production of both wheat, and canola depend on adequate application levels of both P (Bolland, 1997;Bolland et al, 1999) and N (Mason, 1994).…”

Section: Introductionmentioning

confidence: 98%