2009
DOI: 10.1590/s1516-35982009000700002
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Impacts of limestone and nitrogen top dressing application on the potassium content in the soil profile and marandu-grass leaf concentration

Abstract: -The objective of this experiment was to evaluate the effects of nitrogen doses (0, 100, 200, 300, and 400 kg ha -1 year -1 ), with or without dolomitic lime covering application, on the potassium (K) soil content at depths varying form 0 to 5, 5 to 10, and 10 to 20 cm, and the potassium concentration in the plant. The experiment was carried out in a rhodic ferralsol with a slightly rolling relief, in a 5 × 2 factorial arrangement, in a complete randomized block design, with four replications. Nitrogenated fer… Show more

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Cited by 2 publications
(1 citation statement)
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“…Generally, fertilizer is not used on extensive pastures with a low stocking rate in Brazil. However, when the aim is for higher meat production, the rate of N application may vary from 70 to over 400 kg N ha À1 yr À1 (Balieiro Neto et al, 2009a). In this analysis, an average rate of 150 kg N ha À1 yr À1 , split into three applications per year (applied using a tractor) during the rainy season, was assumed for the MP scenario, for a total of 1500 kg N ha À1 over a 10-yr period ( Table 2).…”
Section: Direct and Indirect N 2 O Emissions From Synthetic N Fertilimentioning
confidence: 99%
“…Generally, fertilizer is not used on extensive pastures with a low stocking rate in Brazil. However, when the aim is for higher meat production, the rate of N application may vary from 70 to over 400 kg N ha À1 yr À1 (Balieiro Neto et al, 2009a). In this analysis, an average rate of 150 kg N ha À1 yr À1 , split into three applications per year (applied using a tractor) during the rainy season, was assumed for the MP scenario, for a total of 1500 kg N ha À1 over a 10-yr period ( Table 2).…”
Section: Direct and Indirect N 2 O Emissions From Synthetic N Fertilimentioning
confidence: 99%