2017
DOI: 10.1590/s0100-204x2017000600010
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Abstract: -The objective of this work was to evaluate water storage in a Plinthaqualf under different straw levels during the fourth ratoon season of a sugarcane (Saccharum officinarum) crop. The study was conducted in the 2013/2014 crop season, with the cultivar SP-813250, at two soil depths (0.0-0.3 and 0.3-0.6 m), in a randomized complete block design, with five straw levels (0.0, 4.2, 9.5, 13.0, and 18.4 Mg ha ) of sugarcane straw on soil surface promotes better water retention in the soil per Mg of straw added and … Show more

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Cited by 14 publications
(15 citation statements)
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References 15 publications
(24 reference statements)
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“…3E). On the other hand, straw cover (i.e., the maintenance of straw on soil surface) probably conserved soil water (Anjos et al, 2017; Correa et al, 2017) and positively affected tiller number for both experiments during those time periods.…”
Section: Resultsmentioning
confidence: 98%
See 2 more Smart Citations
“…3E). On the other hand, straw cover (i.e., the maintenance of straw on soil surface) probably conserved soil water (Anjos et al, 2017; Correa et al, 2017) and positively affected tiller number for both experiments during those time periods.…”
Section: Resultsmentioning
confidence: 98%
“…In general, both treatments that retained straw (i.e., straw cover, raked) enhanced N and P concentrations in the plant tissue both early and late in the second ratoon. Increased plant nutrient concentrations may reflect the benefits of retaining straw, such as enhanced nutrient cycling (Sousa Jr. et al, 2018) and/or increased C accumulation (Galdos et al, 2017;Cherubin et al, 2018;Sousa Jr. et al, 2018), water storage and infiltration (Valim et al, 2016;Anjos et al, 2017), and biological activity (Paredes Jr. et al, 2015). Healthy soils generally have increased availability of N and P for plant uptake, which subsequently increases plant tissue concentrations of these elements when straw is retained.…”
Section: Second Ratoon Plant Nutrient Statusmentioning
confidence: 99%
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“…Brazil is leading the world in renewable electricity generation that fulfills 40% of the country's electricity demand, of which 16% comes from sugarcane bagasse (EPE, 2015), and straw mulch has twice the potential for energy generation than bagasse (Udop, 2017). Although straw mulch is an effective raw material for the production of ethanol, bioelectricity and others (Costa et al, 2013) but its indiscriminate removal from the field can not only reduce its positive effects on sugarcane made products (Resende et al, 2006;Anjos et al, 2017) but also on the sustainability of the production system (Christoffoleti et al, 2007;Garbiate et al, 2011;Silva et al, 2012;Sousa et al, 2012). Thus, the impact of straw mulch removal on productivity and the industrial quality of the crop should better be studied for its accurate management.…”
Section: Introductionmentioning
confidence: 99%
“…Since adoption of mechanized harvesting of sugarcane, about 10 to 20 Mg ha −1 (as dry mass) remains on the field annually [8]. However, integral or partially straw retention on the soil surface is essential to support several soil functions [9,10], such as thermal regulation [11], control of soil compaction [12], water retention [13], carbon storage [14], nutrient cycling [15], biological activities [16], and control of erosion [17]. Consequently, changes in soil quality can affect, directly or indirectly, crop production [14,18,19].…”
Section: Introductionmentioning
confidence: 99%