Soil Acidification from Long-Term Use of Nitrogen Fertilizers on Winter Wheat

Schroder, Jackie L.; Zhang, Hailin; Girma, Kefyalew; Raun, W. R.; Penn, Chad J.; Payton, Mark E.

doi:10.2136/sssaj2010.0187

Cited by 304 publications

(185 citation statements)

References 27 publications

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“…Acidification was more evident in top 20 cm, the zone of tillage influence, than in lower soil depths. Results of this study corroborate with previous studies (Rasmussen and Rohde, 1989;Bouman et al, 1995;Schroder et al, 2011) that revealed soil acidification in the tillage zone with N fertilizer addition. Mahler et al (1985) reported soil acidification with addition of ≥100 kg N ha -1 yr -1 of ammonium-based fertilizer.…”

Section: Depth Tillage Systemssupporting

confidence: 92%

“…Studies revealed a decrease in wheat yield with an increase in acidification (Kariuki et al, 2007;Schroder et al, 2011). Acidification below pH 5.5 increased the solubility of soil Al 3+ and Mn 2+ , and negatively impacted winter wheat growth and yields (Ernani et al, 2002;Schroder et al, 2011).…”

Section: Soil Ph Soil Organic Matter and Crop Yields In Winter Wheamentioning

confidence: 99%

“…Studies from other regions also report potential benefits of fertilizer N addition and conservation tillage practices as they improve water and nutrient use efficiency, SOC accumulation, and soil nutrient conservation (Rasmussen and Rohde, 1988;Khan et al, 2007;Schillinger and Papendick, 2008). Decomposition of SOM occurs slowly in acidic soils than in neutral to near neutral pH and, consequently, can influence long-term SOC and nutrient dynamics (Rasmussen and Rohde, 1989;Guo et al, 2010;Schroder et al, 2011). Acidification of surface soil was faster in conservation tillage than in conventional tillage systems because N fertilizer is often banded close to seed in the top surface layers (Mahler et al, 1985;Rasmussen and Rohde, 1989;Brown et al, 2008).…”

Section: Soil Ph Soil Organic Matter and Crop Yields In Winter Wheamentioning

confidence: 99%

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Soil pH, Soil Organic Matter, and Crop Yields in Winter Wheat–Summer Fallow Systems

2017

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Soil acidifi cation has become a major environmental challenge for crop production in the inland Pacifi c Northwest (iPNW). We evaluated the eff ects of tillage and N-fertilizer management on soil pH, soil organic carbon (SOC), soil N, and crop yields from 1995 through 2010 in an ongoing long-term experiment in eastern Oregon. Tillage systems included moldboard plow (MP), disk plow (DP), and subsurface sweep (SW) and N-fertilizer rates were 0, 45, 90, 135, 180 kg N ha -1 crop -1 in a dryland winter wheat (Triticum aestivum L.)-summer fallow (WW-SF) system. Soil pH, SOC, and N were monitored in 1995 and 2010, and crop yields were monitored every other year. Soil pH was lower in the higher N rate treatments. Long-term N fertilizer application increased soil acidity in 0-to 10-cm depth by 0.3, 0.2, and 0.3 units in MP, DP, and SW, respectively, for every 1000 kg N applied through ammonical N fertilizers. Soil pH was higher in DP than MP in 10-to 20-and 20-to 30-cm depth profi les. Th e SOC and N concentrations in the top 30-cm depth were lower in 2010 than in 1995 across all treatments. Wheat yield increased signifi cantly with increase in N rates from 0 to 90 kg N ha -1 crop -1 . Th ere were no further yield increases above 90 kg N ha -1 crop -1 . Soil acidifi cation, SOC and nutrient dynamics should be carefully monitored in cropping systems using ammonical N fertilizers, particularly under high rate of N application and reduced tillage.

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Section: Depth Tillage Systemssupporting

confidence: 92%

Section: Soil Ph Soil Organic Matter and Crop Yields In Winter Wheamentioning

confidence: 99%

Section: Soil Ph Soil Organic Matter and Crop Yields In Winter Wheamentioning

confidence: 99%

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Soil pH, Soil Organic Matter, and Crop Yields in Winter Wheat–Summer Fallow Systems

2017

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“…The pH very rarely fell under 6.0 at untreated control plots, and therefore slightly acidic pH range is most likely the reason that the effect of soil reaction control by lime was rarely observed; only in 7.7% of trials. Although soil acidification with pH levels less than 5.0 can occur due to the long-term use of N fertilisers, there was no reduction in winter wheat yield (Schroder et al 2011).…”

mentioning

confidence: 91%

The influence of mineral fertilisers, farmyard manure, liming and sowing rate on winter wheat grain yields

Madaras¹,

Mayerová²,

Kumhálová³

et al. 2018

PLANT SOIL ENVIRON

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Gradual changes in soil productivity can only be measured by long-term monitoring or field experiments. Long-term agro-ecosystem experiments help evaluation of the cropping system effects on soil quality, sustainability of these systems and provide early warning indication of threats to future crop production (Richter et al. 2007). Fertilisation is one of the most important intensification factors significantly effecting crop yield and quality (Černý et al. 2010). Edmeades (2003) contended that nutrient inputs can increase crop production by 300-400% and are essential in maintaining long-term sustainability. A long-term Broadbalk wheat experiment confirmed a strong yield response to nitrogen fertilisation with the curvilinear character of nitrogen (N) response curve (Brentrup et al. 2004). Jaakkola and YliHalla (2008) reported a significant decrease in cereal yields after 30 years with N fertilisation not balanced with phosphorus (P) and potassium (K) fertilisers. Moreover, yield and its response to fertilisers depend on preceding crops, and the results from a Hungarian long-term experiment (Berzsenyi et al. 2000) showed that yields of wheat cropped in monoculture were always lower than in crop rotation. Simultaneously, significantly higher yields were obtained at high NPK fertilisation rates, especially in rotations with a high proportion of cereals. The combined application of organic manure and inorganic fertiliser was an The influence of mineral fertilisers, liming, farmyard manure and sowing rate on the winter wheat grain yields was studied in a long-term field experiment at 4 sites under different soil and climatic conditions in the Czech Republic. A total of 135 partial fraction-factorial experiments were performed between 1980 and 2013 and evaluated using a statistical model with linear and quadratic terms for each factor. Yield trends demonstrated remarkable influence of fertilisation at two sites of lower starting productivity. Here, grain yields increased by 50% and 25% since the trial commencement, while the rate of yield increase was low at more productive sites. Yields were the most frequently influenced by nitrogen (N) fertilisation, uniformly at all sites. N response curves were strongly curvilinear, but these differed between sites and were affected by preceding crops. The relative frequency of statistically significant influences decreased in the following order: N (significant at α < 0.05 in 89% of all partial trials) > sowing rate (29%) > phosphorus (22%) > farmyard manure (15%) > potassium (12%) > liming (8%). This order and the frequencies of these influences are discussed with regard to relevant site and soil conditions.

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“…The observed lower soil pH values resulted from heavy use of ammonia/ammonium based nitrogen (N) fertilizers, which led to acidic conditions by the net positive balance of hydrogen ions in the soil [5,6]. Oxidation of NH 4 + to NO 3 − generates H + which results in lower soil pH [7,8]. This acidification is further worsened by the removal of basic cations through the harvesting of forage and grain [9].…”

Section: Introductionmentioning

confidence: 99%

Determining Critical Soil pH for Sunflower Production

Sutradhar

Lollato

Butchee

et al. 2014

International Journal of Agronomy

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Soil acidity has become a major yield-limiting factor in cropping systems of the Southern Great Plains, in which winter wheat (Triticum aestivum L.) is the predominant crop. Sunflower (Helianthus annuus L.) is a strong rotational crop with winter wheat due to its draught and heat tolerance. However, the effects of low soil pH on sunflower productivity have not been explored. The objective of this study was to determine the critical soil pH and aluminum concentration (Al KCl ) for sunflower. Sunflower was grown in a randomized complete block design with three replications of a pH gradient ranging from 4.0 to 7.0 at three locations with varying soil types. Soil pH was altered using aluminum sulfate (Al 2 (SO 4 ) 3 ) and hydrated lime (Ca(OH) 2 ). Plant height, vigor, and survivability were all negatively affected by soil acidity. Sunflower yield was reduced by 10% at or below soil pH 4.7 to 5.3 dependent upon location and soil type. Levels of Al KCl above 6.35 mg kg −1 reduced seed yield by 10% or greater. We concluded that sunflower may serve as a better rotational crop with winter wheat under acidic conditions when compared to other adaptable crops.

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Soil Acidification from Long-Term Use of Nitrogen Fertilizers on Winter Wheat

Cited by 304 publications

References 27 publications

Soil pH, Soil Organic Matter, and Crop Yields in Winter Wheat–Summer Fallow Systems

Soil pH, Soil Organic Matter, and Crop Yields in Winter Wheat–Summer Fallow Systems

The influence of mineral fertilisers, farmyard manure, liming and sowing rate on winter wheat grain yields

Determining Critical Soil pH for Sunflower Production

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