Soil uses in the sugarcane fallow period to improve chemical and physical properties of two latosols (oxisols)

Abstract

SUmmarySugarcane production should be integrated with crop diversification with a view to competitive and sustainable results in economic, social and environmental aspects. the purpose of this study was to assess the influence of different soil uses during the sugarcane fallow period on the chemical and physical properties of eutroferric red latosol -lvef (oxisol) and acric latosol -lvw (acric oxisol), in Jaboticabal, São Paulo State, Brazil (21°14'05'' S, 48°17'09'' w, 600 m asl). a randomized block design was used with five replications and four treatments, consisting of different soil uses (crops) in the sugarcane fallow period: soybean only, soybean/fallow/soybean, soybean/millet/soybean, and soybean/sunn hemp/ soybean. after two soybean crops, the lvef chemical properties remained received for publication in march 3, 2011 and approved in october 13, 2011. (2)

Arbuscular mycorrhizal fungal communities and soil aggregation as affected by cultivation of various crops during the sugarcane fallow period

“…Fernandes et al (2012) previously found no differences in WSA in the acric Red Latosol (RL a ) either after the sugarcane fallow period (i.e., after growth of the cover crops, and a few years before the present experiment was conducted).…”

“…In fact, WSA was 20, 25, 22 and 30 % lower with S, SFS, SMS, and SHS, respectively, in RL e than the values previously reported by Fernandes et al (2012);and 25, 23, 20 and 18 % lower, respectively, in RL a . In RL e , WSA was higher than in RL a (Table 3), as a result of the differences in textural classes between the two soils.…”

Soil uses during the sugarcane fallow period: influence on soil chemical and physical properties and on sugarcane productivity

“…More detailed information about the installation, management and harvesting of the crops used during the fallow period can be found elsewhere (Fernandes et al, 2012).…”

Organic matter and physical attributes of Latosols 30 months after uses in the sugarcane fallow-period

“…As for porosity, Fernandes et al (2012) observed that, after fallow-period, two soybean crops had an increase in macroporosity in the 0.0-0.10 m layer of the eutroferric Red Latosol, a fact that was not found by Silva & Fernandes (2014) 18 months after the fallow-period. Torres et al (2015), on the other hand, observed a reduction in macroporosity and increase in microporosity and total porosity of a dystrophic Red Latosol, under the previously described conditions.…”

“…The decrease in the stability of upper layer aggregates is the first indication of inadequate soil management (Shahbaz et al, 2017). Fernandes et al (2012), when evaluating the physical attributes of an acric Red Latosol and an eutroferric Red Latosol after sugarcane fallow-period, concluded that a higher number of crops during the fallow-period did not promote the formation of larger aggregates. However, Silva & Fernandes (2014), when evaluating the physical attributes of the previously mentioned soils 18 months after the sugarcane fallow-period, concluded that a millet cultivation between two soybean crops during the sugarcane fallowperiod promoted an increase of aggregation of the acric Red Latosol.…”