Research Article

Effect of Thinning and Harvest Type on Storage and Losses of Phosphorous in Pinus taeda L. Plantations in Subtropical Argentina

Table 1

Content of P (kg·ha−1) and ecosystem total percentage (between brackets) according to thinning intensity.

CompartmentTreatment (% thinned)
0%33%66%

Tree layer40.1 (70.6)a31.6 (67.4)b21.2 (54.9)c
Shrub layer0.17 (0.3)b0.87 (1.9)b4.55 (11.8)a
Herbaceous layer1.69 (3.0)a1.70 (3.6)a1.73 (4.5)a
Forest floor8.00 (14.1)a5.79 (12.4)a5.42 (14.0)a
Soil6.84 (12.0)a6.89 (14.7)a5.73 (14.8)a

Total56.80 (100)a46.85 (100)b38.63 (100)b

Different letters indicate significant statistical differences ( ) among treatments.