不同类型卡尔赫蒂土中磷离子保持强度的研究

K. Kupatadze
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引用次数: 0

摘要

本文描述了格鲁吉亚东部存在的土壤类型,特别是在Gurjaani市的几个村庄- vazisubani, Kalauri, Mukuzani, Shashiani。草甸棕壤和棕壤是Kakheti地区发展葡萄栽培的良好土壤类型。在这片土地上种植的葡萄园出产著名的葡萄酒,如齐南达利、瓦齐苏巴尼、穆库扎尼、阿哈谢尼、古尔贾尼、马纳维等。该研究探索了棕色碳酸盐和草甸棕色土壤的实验室测试,以检查它们对磷酸盐离子的吸收。研究表明,在各种条件下,土壤中磷的沉积量被充分吸收,对作物产量有积极的影响。结果表明,磷吸收量越高,植株速效磷含量越低,产量越低;磷滞留强度越低,植株消耗磷含量越高,产量越高。但在高度耕作的条件下,磷的吸收强度变弱,导致土壤中已经存在大量的交换性和可动性磷酸盐,这些磷酸盐被植物利用。因此,磷肥在这类土壤上的施用效果较弱。古雅尼市村庄土壤磷的吸收速度令人满意。然而,在高度耕作(或过量施肥)的情况下,磷的保留程度降低。因此,应严格控制含磷肥料的用量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
INVESTIGATION OF PHOSPHATE-ION RETENTION STRENGHT IN SOME TYPES OF KAKHETI SOILS
The presented article describes the soil types existing in east Georgia, particularly in several villages of Gurjaani Municipality-Vazisubani, Kalauri, Mukuzani, Shashiani. Meadow-brown and brown soils represent good soil types for viticulture development in Kakheti. The vineyards cultivated on these soils produce such wellknown wines as Tsinandali, Vazisubani, Mukuzani, Akhasheni, Gurjaani, Manavi. The study explores brown carbonate and meadow-brown soil lab tests to examine the absorption of phosphate ions by them. The study showed that the amount of phosphorus deposited through soils is sufficiently absorbed under various conditions, having a positive effect on the amount of crop. Was compared the rates of phosphate absorption in these soils with the efficiency of phosphorus fertilizers, which showed that the higher the absorption of phosphorus, the lower the amount of phosphorus available to the plant and the lower the yield, and the lower the strength of phosphorus retention, the higher the amount of phosphorus to be consumed by the plant and the higher the yield. But under the conditions of high cultivation degree, the strength of phosphorus absorption became weak, resulted in a large amount of exchangeable and movable phosphates already existing in the soil, which is available to the plant. So, the efficacy of phosphorus fertilizers on such soil is weak. The speed of phosphorus absorption in the soil of Gurjaani municipality villages is satisfactory. However, in case of a high degree of cultivation (or in case of excess fertilization), the degree of phosphorus retention decreases. Accordingly, phosphorus-containing fertilizers should be used within strictly controlled limits.
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