Phosphoric regime of light chestnut soil and sugar beet yield with long-term use of phosphorous fertilizers

ALIMBEKOVA B. YELESHEV R. BAKENOVA Z. SHIBIKEYEVA A. BALKOZHA M.
2021 Institute of Technology and Life Sciences

Journal of Water and Land Development
2021 #49 151 - 155 pp.

This study presents the results of research on the effect of long-term use of phosphorus fertilizers on permanent sugar beet crops for more than 50 years and on the transformation of phosphate forms on light chestnut soil and its yield. Our work aims to establish the main factors of quantitative and qualitative changes in various phosphates in light chestnut soil. Despite the large amount of practical material, the influence duration of phosphorus fertilizer application has not been sufficiently studied on the irrigated soils of Kazakhstan. It should be noted that the current study was carried out in long-term stationary experimental sites for the production of sugar beet with permanent sowing. The introduction of phosphate fertilizers primarily on the permanent crops of sugar beets in the same norms contributes to a more significant increase in gross phosphorus reserves. The soil content of gross phosphorus for 58 years on the control and nitrogen-potassium variants show practically no changes. Furthermore, when phosphorus fertilizers are applied on the variant with the annual application of a single norm of phosphorus and its amount for 58 years (4400 kg ha-1 of application doses) its content increased by 2660 mg kg-1, and with the introduction of its one and a half norms (6600 kg of application doses) by 2860 mg kg-1 of soil.

Ammonia nitrogen , Chestnut soil , Fertilization , Gross phosphorus , Mineral nitrogen , Mineral phosphorus , Mobile phosphorus , Organic phosphorus , Permanent sugar beet crop

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Kazakh National Agrarian University, Faculty of Agronomy, Abay avenue 8, Almaty, 050010, Kazakhstan
National Academy of Sciences of the Republic of Kazakhstan, Almaty, Kazakhstan

Kazakh National Agrarian University
National Academy of Sciences of the Republic of Kazakhstan

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