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This research aims to assess how different nitrogen doses and stockpiling periods affect the characteristics of Paiaguás grass.

January 25, 2026PlantsOpen Access

Morphogenesis, Structure, and Chemical Composition of Paiaguás Grass Under Different Nitrogen Doses and Deferment Periods

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Evaluating nitrogen fertilization effects on forage and nutritional quality of Paiaguás grass, implicating improved pasture management.

This research aims to assess how different nitrogen doses and stockpiling periods affect the characteristics of Paiaguás grass.
Conducted a pot experiment using a randomized block design.
Applied four different nitrogen doses (0, 25, 50, 75 mg N dm−3).
Tested two stockpiling periods (80 and 120 days).
Measured leaf appearance, elongation, senescence rates, and forage mass.
Nitrogen doses increased leaf appearance, elongation, and tiller density.
Forage mass ranged from 96.25 to 113.00 g dry matter per pot as nitrogen increased.
Root mass peaked at 49.33 g pot−1 with 60.18 mg N dm−3 nitrogen.
Crude protein content rose significantly, especially in leaves, from 70 to over 110 g kg−1 dry matter.

Carvalho et al. (2026) studied this question.

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