2012
DOI: 10.1590/s0100-204x2012000400018
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Correlation of physical and chemical attributes of soil with sugarcane yield

Abstract: -The objective of this work was to evaluate the correlation between sugarcane yield and some physical and chemical attributes of soil. For this, a 42-ha test area in Araras, SP, Brazil, was used. Soil properties were determined from samples collected at the beginning of the 2003/2004 harvest season, using a regular 100x100 m grid. Yield assessment was done with a yield monitor (Simprocana). Correlation analyses were performed between sugarcane yield and the following soil properties: pH, pH CaCl 2 , N, C, cone… Show more

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Cited by 27 publications
(19 citation statements)
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“…The greatest and the least CVs for soil parameters were obtained for soil available phosphorus (AvP) (56.87%) and pH (7.06%), respectively, indicating very high variability for AvP relative to the other soil parameters. A high CV is the first indicator of data heterogeneity [30]. Generally, pH and OC are considered to be Similar results were also figured out by Aishah et al [34] who found CV value of 4% for pH and Tagore et al [35] reported least variability (CV = 6.37%) for pH among all the analyzed soil parameters.…”
Section: Descriptive Statisticssupporting
confidence: 81%
“…The greatest and the least CVs for soil parameters were obtained for soil available phosphorus (AvP) (56.87%) and pH (7.06%), respectively, indicating very high variability for AvP relative to the other soil parameters. A high CV is the first indicator of data heterogeneity [30]. Generally, pH and OC are considered to be Similar results were also figured out by Aishah et al [34] who found CV value of 4% for pH and Tagore et al [35] reported least variability (CV = 6.37%) for pH among all the analyzed soil parameters.…”
Section: Descriptive Statisticssupporting
confidence: 81%
“…Montezano et al (2006) também não encontraram correlação entre a produtividade do milho e o teor de P, S, K, Ca e Mg disponíveis no solo; na safra 2011/12 a produtividade teve correlação negativa com a CEa 0-0,3 m, CEa 0-0,9 m, pH CaCl 2 , pH H 2 O, Ca trocável, CTC-pH7,0 e saturação por bases, mesmo em condições de maior disponibilidade de nutrientes. Efeito similar foi observado por Cerri & Magalhães et al (2012) estudando a correlação entre os atributos químicos e a produtividade de cana-de-açúcar.…”
Section: Resultsunclassified
“…A produtividade é medida por sensores de fluxo de massa (densidade x velocidade) que ficam instalados junto aos dutos de entrada de algodão na colhedora e medem a quantidade que passa através dos mesmos sendo necessário um sistema de posicionamento global diferencial e um dispositivo de armazenamento de dados (Deere, 2012). Na interpretação de um mapa de produtividade com a finalidade de gerenciamento da lavoura de algodão deve-se considerar, sobremaneira, as causas consistentes de variabilidade (Cerri & Magalhães et al, 2012). Essas causas podem ser compreendidas pelo acompanhamento e análise dos possíveis fatores que influenciam a variabilidade durante safras sucessivas de vez que a variação espacial é resultado de um complexo de interações climáticas, edáficas, antrópicas e biológicas.…”
Section: Introductionunclassified
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“…Soil conservation measurements by chemical indicators are easily interpreted, and the soil quality may occasionally be increased by agricultural practices such as liming and/or fertilization. Due to agricultural practices by farmers, soil chemical attributes have presented a positive linear correlation lower than 0.5 (p < 0.05) with sugarcane yield [136] and beans yield (Phaseolus vulgaris L.) [137]. Soil chemical indicators can also be useful when considering a soil's capacity for maintaining high yield and sustainability, nutrient cycling, plant biomass, and organic matter [133].…”
Section: Soil Chemical Indicators and Tropical Land Degradationmentioning
confidence: 99%