Changes in sequentially extracted phosphorus fractions in adjacent arable and grassland ecosystems
Yazarlar (3)
Kadir Saltali Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Kenan Kiliç Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Prof. Dr. Rasim KOÇYİĞİT Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Makale Türü Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Arid Land Research and Management (Q3)
Dergi ISSN 1532-4982 Dergi Bilgileri (2007)
Dergi Tarandığı Indeksler SCI
Makale Dili İngilizce Basım Tarihi 01-2007
Kabul Tarihi – Yayınlanma Tarihi 01-01-2007
Cilt / Sayı / Sayfa 21 / 1 / 81–89 DOI 10.1080/15324980601074602
Makale Linki http://www.tandfonline.com/doi/abs/10.1080/15324980601074602
UAK Araştırma Alanları
Toprak Bilimi
Özet
Land use has a potential effect on phosphorus (P) distribution in the profile and the fractions of P in the soils. The conversion of native ecosystems into agricultural use may alter the fractions of the soil-P. In this study, changes in soil organic and inorganic P fractions in the native grassland (Gr), 5-year (C5), and 20-year (C20) cultivated fields, converted from grassland to arable sites were evaluated using a sequential extraction procedure. Six soil P fractions were separately quantified: the most available P (water-extractable P; H2O-P), available P (NaHCO 3-extractable organic and inorganic P; NaHCO3-Po and NaHCO3-Pi), medium available P (NaOH-extractable organic and inorganic P; NaOH-Po and NaOH-Pi), poorly soluble Ca-bound P (HCl-extractable P; HCl-P), the most resistant and insoluble P (Res-P), and the sum of the P in all fraction (Pt). The Pt, Res-P,available and medium available P were higher (p < 0.01) in the Gr site than that in the C5 and C20 sites, whereas the lower HCl-P was obtained in the Gr site. The P fractions were similar in the C5 and C20 except the HCl-P, Pt, and NaHCO3-Pi, suggesting that most of the decline in P fraction occurred during the first 5 years of cultivation. While cultivation led to a marked increase in the proportion of the Res-P and HCl-P to Pt, it conversely resulted in a gradual decrease in the ratio of organic bound P. These results indicated that both organic and inorganic P fractions substantially decreased (except the H2O-P and Olsen-P) in the cultivated sites compared to the Gr site. Thus, to maintain soil P status in the agricultural sites converted from native grassland, is the need for sustainable P management systems. Copyright © Taylor & Francis Group, LLC.
Anahtar Kelimeler
Land use | Phosphorus fractions | Sequential extraction
Science Direct
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
Yöksis 3
Scopus 7
Changes in sequentially extracted phosphorus fractions in adjacent arable and grassland ecosystems
İletişim
  • Gaziosmanpaşa Üniversitesi, Taşlıçiftlik Yerleşkesi, 60250 Merkez / Tokat
  • unis@gop.edu.tr 3562521616
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