Changes in sequentially extracted phosphorus fractions in adjacent arable and grassland ecosystems
Yazarlar (3)
Saltalı Kadir
Kılıç Kenan
Koçyiğit Rasim
Makale Türü Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Arid Land Research and Management (Q4)
Dergi ISSN 1532-4982 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI
Makale Dili İngilizce Basım Tarihi 01-2007
Cilt / Sayı / Sayfa 21 / 1 / 1–9 DOI 10.1080/15324980601074602
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
Changes in sequentially extracted phosphorus fractions in adjacent arable and grassland ecosystems

Paylaş

İletişim
  • Gaziosmanpaşa Üniversitesi, Taşlıçiftlik Yerleşkesi, 60250 Merkez / Tokat
  • unis@gop.edu.tr 3562521616
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