DOI: 10.1016/j.foreco.2016.06.009
Scopus记录号: 2-s2.0-84976465776
论文题名: Fertilization and pine straw raking in slash pine plantations: P removals and effects on total and mobile soil, foliage and litter P pools
作者: Chevasco E.D. ; Minogue P.J. ; Mackowiak C. ; Comerford N.B.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2016
卷: 376 起始页码: 310
结束页码: 320
语种: 英语
英文关键词: Forest fertilization
; Phosphorus cycling
; Phosphorus pools
; Pine straw raking
; Pinus elliottii
Scopus关键词: Forestry
; Lakes
; Phosphorus
; Best management practices
; Extractable soils
; Forest fertilization
; Phosphorus cycling
; Pine straw raking
; Pinus elliottii
; Soil sorption
; Sorption potential
; Soils
; best management practice
; coniferous tree
; fertilizer application
; foliage
; forest management
; litter
; phosphorus
; phosphorus cycle
; phytoremediation
; plantation
; pollutant removal
; sorption
; straw
; Pinus elliottii
英文摘要: Pine straw raking and fertilization effects on phosphorus (P) removals, total and mobile P in foliage and straw, and soil extractable P pools, were examined in 15 and 17-year-old slash pine (Pinus elliottii Engelm.) stands on soils (an Ultisol and an Entisol) with contrasting nutrient sorption potentials and internal drainage. A factorial study of P fertilization (0, 29, 87 kg P ha−1 for two years) and commercial straw raking (no raking vs. annual raking) was used to investigate P removals and changes in total and mobile P pools in foliage, pine needle litter and surface mineral soil. After three years of raking at the Ultisol site, litter in the non-raked plots had approximately 15% more Pi (TCA extractable) than did litter in the raked plots. Raking removed mobile P and broke the P cycle in these stands. Also, pine straw raking depleted extractable soil P, as evidenced by the change in soil P in the surface 10 cm. After five or four raking events, the difference between non-raked and raked treatments ranged from 4 to 11 kg P ha−1 at the two sites. An estimate of the number of rakings that would move the sites’ surface soil into P deficiency, was linked to the soil's ability to sorb P. These results indicate that Best Management Practices for pine straw raking should include specific P fertilization recommendations to replace depleted soil extractable P, based on raking frequency and the soil sorption capacity. © 2016 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/64811
Appears in Collections: 影响、适应和脆弱性
There are no files associated with this item.
作者单位: P.O. Box 17-01-3631, Quito, Ecuador; North Florida Research and Education Center, University of Florida, Quincy, FL, United States
Recommended Citation:
Chevasco E.D.,Minogue P.J.,Mackowiak C.,et al. Fertilization and pine straw raking in slash pine plantations: P removals and effects on total and mobile soil, foliage and litter P pools[J]. Forest Ecology and Management,2016-01-01,376