Crop yields, boron availability and uptake in relation to phosphorus supply in a field experiment
Gabriela Mühlbachová, Pavel Čermák, Martin Káš, Kateřina Marková, Radek Vavera, Miroslava Pechová, Tomáš Lošák
https://doi.org/10.17221/490/2018-PSECitation:Mühlbachová G., Čermák P., Káš M., Marková K., Vavera R., Pechová M., Lošák T. (2018): Crop yields, boron availability and uptake in relation to phosphorus supply in a field experiment. Plant Soil Environ., 64: 619-625.The boron (B) availability and uptake were studied in relation to different phosphorus rates applied into soils in a three-year field experiment (2015–2017). The experiment was carried out at the experimental station at Humpolec (Bohemian-Moravian Highlands, Czech Republic). Three rates of phosphorus (20-40-80 kg P/ha) were applied as triple superphosphate. The crop rotation was spring barley-winter oilseed rape-winter wheat. No systematic fertilization with B was used and the response of natural boron soil content to the different phosphorus supply was studied. The crop yields, B content in plants, B-uptake, and content of B (extracted by Mehlich 3 and NH4 acetate methods) were determined. Spring barley and winter wheat B uptake was about one order of magnitude lower in comparison with oilseed rape. Significant differences in B content in soils, in crop tissues and B-uptake, were found mainly under higher phosphorus doses (40 and 80 kg P/ha). NH4 acetate method showed better correlations between P and B contents in soils than Mehlich 3 method from the second experimental year. The P-fertilization may affect negatively the B-uptake by plants, particularly if the highly nutrient demanding crop is grown.
nutrition; micronutrient; soil testing; boron deficiency; extraction procedure
References:Impact factor (Web of Science):
2019: 1.324
Q2 – Agronomy
5-Year Impact Factor: 1.724
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