Effect of Long-Term Use of Nitrogen, Phosphorus, and Potassium Fertilizers on the Contents of Phosphorus Compounds in Soddy-Podzolic Soil of the Urals

IF 1.4 4区农林科学 Q4 SOIL SCIENCE Eurasian Soil Science Pub Date : 2024-07-22 DOI:10.1134/s1064229324600714

M. T. Vasbieva, N. E. Zavyalova, D. G. Shishkov

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Abstract

The effect of long-term use of mineral fertilizers on changes in the content of total phosphorus and its organic, mineral, and mobile compounds in soddy-podzolic heavy loamy soil (Albiс Retisol (Abruptic, Aric, Loamic)) was analyzed. The studies were performed in a long-term stationary experiment initiated in Perm krai in 1978. The variants were: 0 (without fertilizers), N90, P90, K90, N90P90, N90K90, P90K90, N90P90K90, N30P30K30, N60P60K60, N120P120K120, and N150P150K150. Ammonium nitrate or urea, double or simple superphosphate, and potassium chloride were used in the experiment. It was established that long-term use of superphosphate during five eight-field crop rotations (P90, P90K90, N90P90, and N90P90K90) resulted in a significant increase in the contents of the total phosphorus, mineral phosphorus (by 1.3–1.8 times), and mobile phosphorus (by 1.9–2.7 times) compounds in the plow layer (0–20 cm). The use of nitrogen fertilizers (N90, N90K90, N90Р90, and N90Р90K90) affected the accumulation of organic phosphorus compounds in the soil. The increase in the content and reserves of both mineral and organic phosphorus compounds was significant only in the case of using complete mineral fertilizer N90P90K90. Different combinations of superphosphate with nitrogen fertilizers and potassium chloride, as well as the rate of fertilizer application, affected the accumulation intensity of mobile phosphorus compounds in the soil during rotations and the changes in their contents in the soil profile. The application of low fertilizer rates ((NPK)30–60) resulted in an increase in the content of mobile phosphorus compounds mainly in the plow layer, whereas higher rates ((NPK)90–150) caused changes in the 80-cm-thick soil layer. Long-term use of nitrogen and potassium fertilizers resulted in an increase in the content of mobile phosphorus compounds in the plow layer over time.

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长期施用氮肥、磷肥和钾肥对乌拉尔水稻田土壤中磷化合物含量的影响

摘要分析了长期使用矿物肥料对草皮-块状重壤土（Albiс Retisol (Abruptic, Aric, Loamic)）中总磷及其有机、矿物和流动化合物含量变化的影响。研究是在 1978 年在彼尔姆边疆区启动的长期固定试验中进行的。实验变量为0（不施肥）、N90、P90、K90、N90P90、N90K90、P90K90、N90P90K90、N30P30K30、N60P60K60、N120P120K120 和 N150P150K150。实验中使用了硝酸铵或尿素、过磷酸钙或单质过磷酸钙以及氯化钾。实验结果表明，在五次八田轮作（P90、P90K90、N90P90 和 N90P90K90）中长期施用过磷酸钙可显著增加犁层（0-20 厘米）中的总磷、矿物磷（增加 1.3-1.8 倍）和移动磷（增加 1.9-2.7 倍）化合物的含量。氮肥（N90、N90K90、N90Р90 和 N90Р90K90）的使用影响了土壤中有机磷化合物的积累。只有在使用完全矿物肥料 N90P90K90 的情况下，矿物磷和有机磷化合物的含量和储量才会显著增加。过磷酸钙与氮肥和氯化钾的不同组合以及施肥量，影响了轮作期间土壤中移动磷化合物的积累强度及其在土壤剖面中含量的变化。低施肥量（(NPK)30-60）导致流动磷化合物含量增加，主要集中在耕层，而高施肥量（(NPK)90-150）则导致 80 厘米厚的土层发生变化。长期施用氮肥和钾肥会导致犁耕层中的移动磷化合物含量随时间推移而增加。

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来源期刊

Eurasian Soil Science 农林科学-土壤科学

CiteScore

2.70

自引率

35.70%

发文量

137

审稿时长

12-24 weeks

期刊介绍： Eurasian Soil Science publishes original research papers on global and regional studies discussing both theoretical and experimental problems of genesis, geography, physics, chemistry, biology, fertility, management, conservation, and remediation of soils. Special sections are devoted to current news in the life of the International and Russian soil science societies and to the history of soil sciences. Since 2000, the journal Agricultural Chemistry, the English version of the journal of the Russian Academy of Sciences Agrokhimiya, has been merged into the journal Eurasian Soil Science and is no longer published as a separate title.