Dynamics of phosphorus forms in soils with contrasting texture and mineralogy cultivated with rice

被引：22

作者：

Tokura, Alessandra Mayumi ^{[1
]}

Furtini Neto, Antonio Eduardo ^{[2
]}

Carneiro, Leandro Flavio ^{[3
]}

Curi, Nilton ^{[2
]}

Lopes Santos, Jose Zilton ^{[2
]}

Alovisi, Alves Alexandre ^{[4
]}

机构：

[1] Fac Anhanguera Dourados, BR-79825150 Dourados, MS, Brazil

[2] Univ Fed Lavras, Dept Ciencia Solo, Lavras, MG, Brazil

[3] Univ Estadual Mato Grosso Sul, Dourados, MS, Brazil

[4] SNP Consultoria, Dourados, MS, Brazil

来源：

ACTA SCIENTIARUM-AGRONOMY | 2011年 / 33卷 / 01期

关键词：

phosphated fertilization; silicon; anions; P fractionation; FRACTIONS; SILICON;

D O I：

10.4025/actasciagron.v33i1.1435

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Dynamics of phosphorus forms in soils with contrasting texture and mineralogy cultivated with rice. Two experiments were conducted with the objective of evaluating the influence of Si and P application upon organic and inorganic P forms in two soils solos: classificacao da FAO e Soil Taxonomy (Orthic Quartzarenic Neosol - RQo- and Dystroferric Red Latosol - LVdf), having contrasting texture and mineralogy, before and after rice cultivation. The experimental was in a 4 x 3 factorial scheme, being four P doses and three Si doses. The phosphated fertilization altered the P labile forms, while in the case of low labile P forms the behaviour was dependent upon soil texture and mineralogy. The application of Si was shown to be promising to increase the availability of P for plants in rice.

引用

页码：171 / 179

页数：9

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