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Wyszukujesz frazę "Al-Sakkaf, M.S." wg kryterium: Autor


Wyświetlanie 1-1 z 1
Tytuł:
Soil phosphorus fractionation in calcareous soil as affected by organic amendments application
Autorzy:
Ghoneim, A.
Al-Sakkaf, M.S.
Modaihsh, A.S.
Alotaibi, K.D.
Alharbi, S.
Aldhumri, S.A.
Powiązania:
https://bibliotekanauki.pl/articles/971195.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
changes in p fractions
mineral fertilizers
organic fertilizers
sequential fractionation
soils
Opis:
Understanding of P transformations following organic amendments addition to highly calcareous soils is necessary for developing better management practices that can help enhance P fertilizer use efficiency. Phosphorus solubility and availability for plant uptake under the con- ditions of arid calcareous soil is very low, making P nutrient supply a critical issue under these conditions. The aim of this study was to evaluate the impact of various types of organic amend- ments (chicken compost, cow compost and a mixture of humic-fulvic acid) applied alone at dif- ferent rates of KH 2 PO 4 fertilizer on P fractions in calcareous soil using the sequential chemical extraction method. Amended calcareous soil was incubated under laboratory conditions and soil samples were collected at 0, 4, 8 and 16 weeks of the incubation periods. Soil was sequentially extracted and analyzed for P different fractions. The results indicated that the addition of chicken and cow compost increased soluble and exchangeable-P and Ca-P fractions in calcareous soil and the increases depend on application rates. The results indicated that combination of chicken and cow compost with different KH 2 PO 4 fertilizer application rates increased the concentration of sol- uble and exchangeable-P in the soil compared to organic amendments or KH 2 PO 4 fertilizer applied alone. The P associated with Ca was the dominant P fractions in soil, ranging between 51 to 59% regardless of the different treatment and the period of incubations. The Al- and Fe-associated Pfractions varied between 2 and 9%, with the maximum value being observed at the eighth week of incubation. The residual-P fraction ranged between 5 and 22% at different incubation periods.
Źródło:
Polish Journal of Soil Science; 2020, 53, 1
0079-2985
Pojawia się w:
Polish Journal of Soil Science
Dostawca treści:
Biblioteka Nauki
Artykuł
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