INFLUENCE DU pH ET DES ELEMENTS FERTILISANTS SUR L'INTOXICATION MANGANIQUE DE LA POMME DE TERRE

Ouellette, G. J.; Généreux, Henri

doi:10.4141/cjss65-047

Cited by 7 publications

(3 citation statements)

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“…Although Zn can be supplied in large amounts without apparent toxic effects [96,97], Zn toxicity may occur and could be mitigated by heavy liming. Despite no Mn additions, Mn availability increased due to urea that acidified the soil [98] and maintained a soil pH below 4.8 [99,100]. The organic fertilizers applied in this study contained Mn, but maintained a soil pH at higher levels, impacting the Mn availability.…”

Section: Nutrient-use Efficiencymentioning

confidence: 95%

Long-Term Effects of Animal Manures on Nutrient Recovery and Soil Quality in Acid Typic Hapludalf under No-Till Conditions

et al. 2022

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No-till farming and manure application are means of storing carbon in soil and increasing soil quality. However, the organic fertilization of no-till soils may sustain subtropical agroecosystems for only a limited period until the soil quality declines. The C, N, P, and other nutrient cycles are perturbed due to the nutrient imbalance in manures and their application on the soil surface, which poses a risk for nutrient dispersion into the environment. Long-term N-based manure application also impacts the apparent nutrient recovery (ANR) by crops and, hence, the crop quality. Our objective was to monitor changes in soil quality and to measure nutrient recovery from N-based organic fertilization in a Brazilian agroecosystem. A long-term experiment was established in May 2004 on Typic Hapludalf soil in Southern Brazil. The experiment comprised two periods: 2004–2009 and 2009–2020. The treatments were unfertilized (control), pig slurry, pig deep litter (swine manure and rice husk), cattle slurry, and mineral fertilizer (urea, triple superphosphate, and K chloride). Grain and cover crops were grown. The maize grain yield and oat biomass were used as indicators of productivity. The application of cattle slurry, pig deep litter, and pig slurry increased the grain production by 20% on average compared to mineral fertilization. Organic manuring increased the soil pH by up to one unit, while urea acidified the soil. The highest crop yields were obtained with pig deep litter, which increased the levels of P, K, Ca, Mg, and C in the soil test. Pig deep litter showed the highest N-ANR for the aboveground part of the plants. The ANRs for P, K, Ca, and Mg were also highest when pig slurry had been applied. The ANR values for the micronutrients varied widely among the organic sources but indicated large marginal offtake gains compared to mineral fertilization. The N-based fertilization with animal manures increased the rate of nutrient uptake by plants but led to an accumulation of nutrients in the soil, threatening the sustainability of the system. Manure applications must be monitored regularly to avoid the accumulation of nutrients that could impair the soil quality and become an environmental problem in the future.

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Section: Nutrient-use Efficiencymentioning

confidence: 95%

Long-Term Effects of Animal Manures on Nutrient Recovery and Soil Quality in Acid Typic Hapludalf under No-Till Conditions

et al. 2022

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“…The Al toxicity in plant tissues may be problematic in acid soils at pH values lower than 5.5 [40]. Soil pH water below 4.8 may cause Mn toxicity to sensitive crops [43] [44] but this was apparently not a problem for cranberry. The S treatments did not impact significantly fruit Brix, firmness, TAcy, weight and yield (Figure 5).…”

Section: Effect Of Elemental S On Crop Performance and Berry Mineral ...mentioning

confidence: 99%

Short-Term Impact of Elemental Sulfur on Cranberry Nutrition and Crop Performance

Jamaly¹,

Parent²,

Ziadi³

et al. 2023

OJSS

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Cranberry (Vaccinium macrocarpon Ait.) is an ammophilous plant grown on acid soils (pH 4.0 -5.5). Elemental sulfur is commonly applied at a recommended rate of 1120 kg S ha −1 per pH unit to acidify cranberry soils, potentially impacting the plant mineral nutrition. The general recommendation may not fit all conditions encountered in the field. Our objective was to develop an equation to predict the sulfur requirement to reach pH water of 4.2 to tackle nitrification in acidic cranberry soils varying in initial pH values, and to measure the effect of elemental sulfur on the mineral nutrition and the performance of cranberry crops. A 3-yr experiment was designed to test the effect of elemental sulfur on soil and tissue tests and on berry yield and quality. Four S treatments (0, 250, 500 and 1000 kg S ha −1 ) were established on three duplicated sites during two consecutive years. We ran soil, foliar tissue, berry tissue tests, and measured berry yield, size, anthocyanin content (TAcy), Brix, and firmness. Nutrients were expressed as centered log ratios to reflect nutrient interactions. Results were analyzed using a mixed model. Soil Ca decreased while soil Mn and S increased significantly (p ≤ 0.05). Sulfur showed no significant effects on nutrient balances in uprights. The S impacted negatively berry B balance, and positively berry Mn and S balances. A linear regression model relating pH change to S dosage and elapsed time (R 2 = 0.53) showed that to reach pH water of 4.2 two years after S application, 250 -1000 kg S ha −1 could be applied depending on initial soil pH value. The stratification of surface-applied elemental S in the soil profile should be further examined in relation to plant rooting and nutrient leaching.

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“…A negative multiple correlation was also found between yields and the Ca/Mn and Mn/Fe ratios in the leaves of potatoes grown in solution containing high levels of manganese and various nitrogen fertilizers. In previous work (6), Ouellette and …”

mentioning

confidence: 99%

Effect of Various Nitrogen Fertilizers on Manganese and Iron Availability as Measured by Incubation and Sand Culture Studies

Cheng¹,

Ouellette²

1970

Can. J. Soil. Sci.

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INFLUENCE DU pH ET DES ELEMENTS FERTILISANTS SUR L'INTOXICATION MANGANIQUE DE LA POMME DE TERRE

Cited by 7 publications

References 0 publications

Long-Term Effects of Animal Manures on Nutrient Recovery and Soil Quality in Acid Typic Hapludalf under No-Till Conditions

Long-Term Effects of Animal Manures on Nutrient Recovery and Soil Quality in Acid Typic Hapludalf under No-Till Conditions

Short-Term Impact of Elemental Sulfur on Cranberry Nutrition and Crop Performance

Effect of Various Nitrogen Fertilizers on Manganese and Iron Availability as Measured by Incubation and Sand Culture Studies

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