[PDF] Top 20 Establishing environmental soil phosphorus thresholds to decrease the risk of losses to water in soils from Rio Grande do Sul, Brazil

... ABSTRACT: The overloading of soil with manure or mineral fertilizers enhances phosphorus (P) availability, promoting its loss to water bodies and increasing the ... See full document

... increase soil erodibility in Depressão Central, Rio Grande do Sul State ...Characterization of such discontinuities would help to understand landscape evolution and ... See full document

... – The objective of this work was to study the occurrence and geographic distribution of phytophagous mites associated to soybean in Rio Grande do Sul, ... See full document

... In Brazil, the species are widely distributed among its biomes (Amazon Forest, Cerrado, Mata Atlântica, Caatinga, Pantanal and Pampa), but most taxa dwell under tropical conditions (Carauta 1978, ... See full document

... ABSTRACT: The parent geological materials and formation factors influence the chemical, physical, and mineralogical properties and composition of the ...Therefore, the aims of ... See full document

... Monitoring water erosion and the factors that control soil and water loss are essential for soil conservation ...planning. The objective of this study was to ... See full document

... However, the intense use of these insecticides has promoted resistance of Triatoma infestans and, in Argentina, Bo- livia and Southern Brazil, low levels of resistance have been ... See full document

... by the larval forms of the cestodes Equinococcus ...belong to the Taeniidae ...as the intermediate hosts and humans as an accidental host of both ...economic losses ... See full document

... as the main aetiological agent responsible for foodborne diseases in several countries worldwide, including ...Brazil. In the State of Rio Grande do Sul ... See full document

... cultivation of olive trees in Rio Grande do Sul State and its potential production arouse the need to characterize the assemblage of insects in olive ... See full document

... Collections of macromycetes made in seven municipalities in southern Brazil, ...six in Rio Grande do Sul and one in Santa Catarina, are ...belonged to ... See full document

... ABSTRACT: The aim of this study was to identify soybean sowing dates on which there was low water surplus ...risk. The crop was raised on a Haplic Planosol soil in ... See full document

... During the Simon administration, the main motivation of the state government was integration with Southern Cone neighbours, from 1987 and even more so after the creation ... See full document

... located in the eastern region of the state of Rio Grande do Sul, Brazil, and covers 32 towns with different economic activities, such as industry, ... See full document

... for soil collection based on preliminary seed bank analysis under greenhouse conditions (Piaia et ...are in an agricultural production matrix, showing pastures and annual crops in the ... See full document

... level of P extracted with H 2 SO 4 + H 2 O 2 + MgCl 2 ( residual P), which is a recalcitrant P fraction of difficult access through selective chemical extractants in soil and which can ... See full document

... Mehlich-1 soil extract is currently used in Rio Grande do Sul (RS) and Santa Catarina (SC) States, in Brazil, to evaluate soil phosphorus available ... See full document

... extracted from soil by resin and P accumulated in the plant, concluded that the resin method exceeded the other ...evaluating the eficiency of Mehlich-1, Mehlich-3 ... See full document

... dication of Brucellosis and Tuberculosis has recently pro- vided detailed epidemiological data covering most of the cattle population in the country (Poester et ...ding the ... See full document

... where the edaphoclimatic properties are different, so their application in tropical regions may be unfeasible (Tomasella et ...2000). In Brazil, some pedotransfer functions have already been ... See full document