Yield of sugar beet and changes in phosphorus fractions in relation to long term P fertilization in chestnut soil of Kazakhstan

Authors : Gulzhan ZHAKSYBAYEVA, Alimbay BALGABAYEV, Tursunay VASSİLİNA, Aigerim SHİBİKEYEVA, Almagul MALİMBAYEVA
Pages : 25-32
Doi:10.18393/ejss.980372
View : 53 | Download : 10
Publication Date : 2022-01-01
Article Type : Research Paper
Abstract :Excessive phosphorus insert ignore into journalissuearticles values(P); application can alter soil P availability and limit plant growth by P fixation into different organic and inorganic P forms. However, it remains uncertain whether these changes happen after limited fertilization or an excessive rate applied under the crop rotation. The current study aimed to investigate the yield of sugar beet in response to long term P fertilization, and to investigate long-term P fertilization effects on soil P fractions after long-term fertilizations in chestnut soil of Kazakhstan. A long-term study insert ignore into journalissuearticles values(56 years); was conducted to assess the changes in total P, available P and inorganic P insert ignore into journalissuearticles values(Pi); fractions in response to different P rates applied to sugar beet. Inorganic P fractions were determined using the Ginzburg and Lebedeva insert ignore into journalissuearticles values(1971); and Ginzburg insert ignore into journalissuearticles values(1981); methods. Our findings demonstrated that different P rates significantly increased the total P and available P in the inorganic P fractions compared to N0P0K0 treatment insert ignore into journalissuearticles values(Absolute control);. The N1P2K1 insert ignore into journalissuearticles values(100% of recommended level of NK but 200% of P); treatment had a maximum yield and sugar content of sugar beet. Compared with N0P0K0, the proportions of Ca-PI, Ca-PII, Fe-P and Al-P of total inorganic P fractions associated with under fertilizer treatments increased. The highest content of fractioned P was found in the form of Ca–PIII.
Keywords : Sugar beet, chestnut soil, phosphorus, P fertilization, inorganic P fractions

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