磷肥的添加增加了绿肥微区酸性土壤无机磷组分的移动距离和含量

IF 0.6 4区农林科学 Q4 CHEMISTRY, APPLIED

Agrochimica Pub Date : 2020-01-01 DOI:10.12871/00021857202046

Y. Wang, J. Huang, H. Huan, D. Huang, G. Liu, D. Lesueur, J. Hong, R. Dong

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引用次数: 2

摘要

为了研究绿肥施用地点不同距离上酸性土壤Pi组分的移动和含量，在一个转基因微基地进行了培养试验。茎柱花GM(10或40吨/公顷)以44 kg/公顷磷肥(单磷酸钙，MCP)浓度在土壤圆柱体表面施用或不施用磷肥。结果表明:添加MCP后，酸性土壤微位点的Pi组分(Al-、Fe-、ca -相关Pi和封闭P)的移动距离和含量显著增加;而培养28 d后，各组分的移动距离均小于3 mm。这一信息将提高磷与转基因组合利用的效率，减少转基因与磷肥对磷的污染对环境的负荷。

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Phosphate fertilizer addition increases the movement distance and content of the acid soil inorganic phosphorus fractions at green manure microsites

To investigate the movement and content of the acid soil Pi fractions at different distances from the green manure (GM) application site at a GM microsite, an incubation experiment was conducted. Stylosanthes GM (10 or 40 ton/ha) was applied with or without phosphate fertilizer (monocalcium phosphate, MCP) at a concentration of 44 kg/ha P, which was laid on the surface in soil cylinders. The GM/fertilizer and soil were incubated for 14 and 28 d. The results indicated the movement distance and content of the Pi fractions (Al-, Fe-, and Ca-associated Pi as well as occluded P) in the acid soil microsite were significantly increased after the addition of MCP; however, the movement distances of the Pi fractions were all less than 3 mm after incubation for 28 d. This information will improve the efficiency of combined P and GM use and decrease the environmental load due to P pollution caused by GM and phosphate fertilizer.

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来源期刊

Agrochimica 农林科学-土壤科学

CiteScore

0.60

自引率

25.00%

发文量

期刊介绍： Agrochimica publishes in English original papers, reviews and short communications peer reviewed by referees familiar with the fields of research involved. The Journal focuses on soil and plant chemistry and biochemistry as well as on the chemical aspects of plant nutrition and the use of biomass. Also covered are several new, rapidly-expanding fields such as agricultural and environmental pollution, agro-industrial biotechnology, pesticides and agricultural waste treatment and disposal. The Journal gives particular attention to all scientific aspects directly connected with the quality of the agrarian productivity and the environment protection.