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- W1738754268 abstract "OZET Erzurum Ovasinin degisik kesimlerinden alman 32 toprak orneginde degisebilir potasyum ve asii ekstraksiyonit ile elde edilen toplam potasyum miktarlari tayin edilmis, bunlar arasinda yuksek bir korelasyon bulunmustur (r = 0.780). Toprak ornekleri degisebilir potasyum miktarlanna gore siniflandmimis, btmlardan i O tanesi serada devamli Sudan otu yetistirilmek uzere kullanilmistir. Topraklarin potasyum temin etme gucleri farkli olmakla beraber butun topraklar potasyumca zengindir. Serada Sudan otunun birbirini takip eden 7 bicim wnunda topraktan uzaklastirdigi potasyum miktari HNO3 ekstraksiyoJlu ile elde olunan toplam potasyum miktari arasinda yuksek bir korelasyon mevcuttur (r = 0.922). Mahsul alma esnasinda degi$meyen formdan serbest hale gecen potasyum ile HNO3 ile serbest hale gecen potasyum arasindaki korelasyonz katsayisi 0.910 dur. Sudan otunun topraktan kaldirdigi toplam potasyum ile topraklarin mahsul yetistirilmeden onre ihtiva ettigi degisebilir potasyum arasindaki korelasyon da onemli ve oldukca yuksektir (r = 0.749). Erzurum Oi'asi topraklarinin potasyum temin etme guclerinin tayininde, HN03 ekstraksiyonu ile tayin olunan toplam potasyum miktarimn ve asit ekstraksiyonu ile serbest hale gecen potasyum miktarinin iyi bir olcu olahilecegi anlasilmaktadir. POTASSIUM RELEASE IN ERZURUM PLAIN SOILS AS MEASURED BY CROPPING AND CHEMICAL EXTRACTION Soil sarnples from 32 sites were analyzed for exchangeable and total K removed by acid extraction. The amollnt of exchangeable potassium was higWy correlated with the amount of total K removed by acid extraction (r = 0.780). The soil samples were Ciassified according to theii exchangeable K values and LO of them were used for intensiye cropping with Sudan grasss in the gieeohol1se. The soils varied ·in their potassium supplying power. The total amount of potassium extractiou by HNO3 was highly corrrelated with the amount of potassium removed from the soils by 7 successive cutings of Sudan gr ass in the greenhouse (r = 0.922). The amount of potassium released from nonexchangeable foim by HN03 was highly correlated wIth the amount released during greenhouse cropping (r = 0.910). The correlation coefficient for the total amount of potassium removed by tha Sudan grass and the amount of excangeable potassium in the soil before cropping was 0.749. Total potassium iil the HNO 3 extraet and potassium released' from non-exehangeable forms by HN03 appeared to be better indexes than exehangeable potassium before eropping to potassium release and removal by intensive eropping with Sudan grass in the greenhouse." @default.
- W1738754268 created "2016-06-24" @default.
- W1738754268 creator A5077650147 @default.
- W1738754268 date "2010-12-11" @default.
- W1738754268 modified "2023-09-27" @default.
- W1738754268 title "ERZURUM OVASI TOPRAKLARINDA MAHSÜL YETİŞTİRİLEREK VE KİMYASAL EKSTRAKSİYONLA TAYİN OLUNAN SERBEST HALE GEÇEN POTASYUM" @default.
- W1738754268 hasPublicationYear "2010" @default.
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