Microbial activity in soil cultivated with different summer legumes in coffee crop

Balota, Elcio Libório; Chaves, Julio

doi:10.1590/s1516-89132011000100005

Cited by 23 publications

(14 citation statements)

References 22 publications

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“…The soil chemical properties after 10 years under different legume green manures (Table 1) are discussed by Balota & Chaves (2010). The average values of enzyme activity, total C and C and N mineralization of eight samplings in two years indicated that intercropping of different summer legume species as green manure influenced microbial activity, both under the coffee canopy and in-between rows.…”

Section: Resultsmentioning

confidence: 99%

Enzymatic activity and mineralization of carbon and nitrogen in soil cultivated with coffee and green manures

Balota¹,

Chaves

2010

Rev. Bras. Ciênc. Solo

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SUMMARYThere are great concerns about degradation of agricultural soils. It has been suggested that cultivating different plant species intercropped with coffee plants can increase microbial diversity and enhance soil sustainability. The objective of this study was to evaluate enzyme activity (urease, arylsulfatase and phosphatase) and alterations in C and N mineralization rates as related to different legume cover crops planted between rows of coffee plants. Soil samples were collected in a field experiment conducted for 10 years in a sandy soil in the North of Paraná State, Brazil. Samples were collected from the 0-10 cm layer, both from under the tree canopy and in-between rows in the following treatments: control, Leucaena leucocephala, Crotalaria spectabilis, Crotalaria breviflora, Mucuna pruriens, Mucuna deeringiana, Arachis hypogaea and Vigna unguiculata. The soil was sampled in four stages of legume cover crops: pre-planting (September), after planting (November), flowering stage (February) and after plant residue incorporation (April), from 1997 to 1999. The green manure species influenced soil enzyme activity (urease, arylsulfatase and phosphatase) and C and N mineralization rates, both under the tree canopy and in-between rows. Cultivation of Leucaena leucocephala increased acid phosphatase and arilsulfatase activity and C and N mineralization both under the tree canopy and in-between rows. Intercropped L. leucocephala increased urease activity under the tree canopy while C. breviflora increased urease activity in-between rows.Index terms: Soil enzymes, mineralization potential, green manure, mulching, nutrient cycling.(

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Section: Resultsmentioning

confidence: 99%

Enzymatic activity and mineralization of carbon and nitrogen in soil cultivated with coffee and green manures

Balota¹,

Chaves

2010

Rev. Bras. Ciênc. Solo

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“…A high correlation between microbial biomass and organic C was previously observed by Balota et al (2003), Araújo et al (2008) and Balota & Chaves (2011). The significant relationship between microbial biomass and organic C is likely due to the fact that higher organic matter levels support greater microbial biomass and activity.…”

Section: Resultsmentioning

confidence: 53%

“…The values obtained in this study are similar to those observed under different soil conditions and management systems in other regions of Paraná State (using the same analytical methods) (Balota et., 2004;Balota & Chaves, 2011). The wide range for this relationship due to soil management may suggest its high sensibility to express C turnover pattern.…”

Section: Resultsmentioning

confidence: 99%

Soil microbial biomass under different tillage and levels of applied pig slurry

Balota

Machineski

Matos

2012

Rev. bras. eng. agríc. ambient.

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A B ST R A C TThe objective of this work was to evaluate the changes in microbial biomass C, N and P due to the application of pig slurry under different soil tillage systems. The experiment was established in a clayey Oxisol, Eutrophic Red Latossol in Palotina, PR. Different quantities of pig slurry (0, 30, 60 and 120 m 3 ha -1 year -1 ) were applied to the soil prior to the summer and winter crop season under conventional tillage (CT) and no tillage (NT), in three replicates. The area was cultivated with soybean (Glycine max L.) or maize (Zea mays L.) in the summer and wheat (Triticum sativum Lam.) or oat (Avena sativa L.) in the winter. The soil samples were collected in March and October of 1998 and 1999 at depths of 0-5, 5-10 and 10-20 cm. The soil tillage and pig slurry application influenced the microbial biomass C, N and P. The microbial biomass and the microbial activity presented high sensibility to detect changes in the soil due to tillage and the application of pig slurry. The soil microbial biomass and C mic /C org relation increased as the quantity of applied pig slurry increased. The metabolic quotient under CT increased with depth while under NT it decreased. The soil microbial biomass was enriched in N and P under NT and as the quantity of applied pig slurry increased.

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“…Results from Crusciol et al (2013) and Balota;Chaves (2011) show that the C/N ratio of Mucuna pruriens (16.4) is lower than that from Cajanus cajan (32). However, the chemical composition of these leguminous crops is similar, particularly in the aromatic carbon compound region, confirming the relationship between the composition of carbon compounds and the decomposition of plant material (RANDAL et al, 1997).…”

Section: Resultsmentioning

confidence: 98%

Characterization of cover crops by NMR spectroscopy: impacts on soil carbon, nitrogen and phosphorus under tillage regimes

Carvalho¹,

Marchão²,

Bustamante³

et al. 2014

Rev. Ciênc. Agron.

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Microbial activity in soil cultivated with different summer legumes in coffee crop

Abstract: ABSTRACT

Cited by 23 publications

References 22 publications

Enzymatic activity and mineralization of carbon and nitrogen in soil cultivated with coffee and green manures

Enzymatic activity and mineralization of carbon and nitrogen in soil cultivated with coffee and green manures

Soil microbial biomass under different tillage and levels of applied pig slurry

Characterization of cover crops by NMR spectroscopy: impacts on soil carbon, nitrogen and phosphorus under tillage regimes

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