Filter by:

Publication year
More...
Language of publication
Embrapa Units
Types of publication

Search by:

 

Author(s): KOTLAR, A. M.; LIER, Q. de J. van; BARROS, A. H. C.; IVERSEN, B. V.; VEREECKEN, H.

There has been much effort to improve the performance of pedotransfer functions (PTFs) using intelligent algorithms, but the issue of covariate shift, i.e., different probability distributions in trai... ...

Repository: BDPA     Publication year: 2019

Author(s): REIS, A. M. H. dos; TEIXEIRA, W. G.; FONTANA, A.; BARROS, A. H. C.; VICTORIA, D. de C.; VASQUES, G. M.; SAMUEL-ROSA, A.; OTTONI, M. V.; MONTEIRO, J. E. B. de A.

Bulk density (BD) is a soil physical property used as a soil quality indicator and variations in this measurement influence soil water content and carbon stock estimates. This study aims to compile a... ...

Repository: BDPA     Publication year: 2024

Author(s): OTTONI FILHO, T. B.; LEAL, I. F.; MACEDO, J. R. de; REIS, B. C. B.

Despite the large applicability of the field capacity (FC) concept in hydrology and engineering, it presents various ambiguities and inconsistencies due to a lack of methodological procedure standardi... ...

Repository: BDPA     Publication year: 2016

Author(s): HUF DOS REIS, A. M.; TEIXEIRA, W. G.; FONTANA, A.; BARROS, A. H. C.; VICTORIA, D. de C.

Soil bulk density is an important soil physical property, used as a quality indicator. Its variation influences soil water content and carbon stock estimates. This study aims to evaluate the accuracy... ...

Repository: BDPA     Publication year: 2022

Author(s): CORDEIRO, F. R.; CESÁRIO, F. V.; FONTANA, A.; ANJOS, L. H. C. dos; CANTO, A. C. B. do; TEIXEIRA, W. G.

Chemical soil analysis data can be expressed by weight (i.e., gravimetric basis) or volume (i.e., volumetric basis) of the fine earth (sieved >=2 mm), resulting in different units, cmolc kg-1 and cmol... ...

Repository: BDPA     Publication year: 2020

Author(s): BARROS, A. H. C.; LIER, Q. de J. van; MAIA, A. de H. N.; SCARPARE, F. V.

Pedotransfer functions (PTF) were developed to estimate the parameters (a, n, qr and qs) of the van Genuchten model (1980) to describe soil water retention curves. The data came from various sources,... ...

Repository: BDPA     Publication year: 2013

Author(s): BARROS, A. H. C.; JONG VAN LIER, Q. de; MAIA, A. de H. N.; SCARPARE, F. V.

Abstract: Pedotransfer functions (PTF) were developed to estimate the parameters of the van Genuchten model (1980) to describe soil water retention curves. The data came from various sources, mainly f... ...

Repository: BDPA     Publication year: 2013

Author(s): SABINO, B. T. S.; NÓBREGA, C. C. da; SILVA, P. L. F. da; OLIVEIRA, F. P. de; AMARAL, A. J. do

Pedotransfer functions are methods proposed with the objective of obtaining indirect information, with greater speed and ease to estimate various soil attributes. Thus, the objective of this work was... ...

Repository: BDPA     Publication year: 2021

Author(s): BOSCHI, R. S.; BOCCA, F. P.; LOPES-ASSAD, M. L. R. C.; ASSAD, E. D.

The aim of this study was to evaluate the predictive capability of PTFs available in the literature to estimate soil pb in different regions of Brazil, using different metrics (mean absolute error (MA... ...

Repository: BDPA     Publication year: 2018

Author(s): OTTONI FILHO, T. B.; OTTONI, M. V.; OLIVEIRA, M. B. de; MACEDO, J. R. de; REICHARDT, K.

Levando em conta a natureza dos processos hidrológicos envolvidos na medição da Capacidade de Campo (CC) in situ, este estudo propõe uma variação da definição de CC a fim de minimizar as impropriedade... ...

Repository: BDPA     Publication year: 2014

Observation

Some of Embrapa's publications are published as ePub files. To read them, use or download one of the following free software options to your computer or mobile device. Android: Google Play Books; IOS: iBooks; Windows and Linux: Calibre.

 


Access other publications

Access the Agricultural Research Database (BDPA) to consult Embrapa's full library collection and records.
Visit Embrapa Bookstore to purchase books and other publications sold by Embrapa.