Water storage in a Plinthaqualf cultivated with sugarcane under straw levels

Anjos, João Carlos Rocha dos; Andrade, A. S. de; Bastos, E. A.; Noleto, Donavan Holanda; Melo, F. de B.; Brito, R. R. de

doi:10.1590/s0100-204x2017000600010

Cited by 16 publications

(15 citation 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%

“…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%

“…Residue retained on the soil surface creates a microenvironment that affects heat, water, and gas exchange between the soil and atmosphere (Cherubin et al, 2018). The straw blanket also affects several other soil functions and ecosystem services, including: reduction in evaporative water loss and thus an increase in soil moisture (Anjos et al, 2017); creating a beneficial environment for plants and soil biota (Carvalho et al, 2017; Cherubin et al, 2018) including sugarcane pests (Dinardo‐Miranda and Fracasso, 2013); reduction in light intensity at the plant base (Toppa et al, 2010); a decrease in soil temperature (Correa et al, 2017); and improvement in soil structure (Castioni et al, 2018).…”

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confidence: 99%

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Sugarcane Straw Blanket Management Effects on Plant Growth, Development, and Yield in Southeastern Brazil

et al. 2019

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In Brazilian sugarcane (Saccharum spp.) production systems, the practice of moving harvesting residue from row to inter‐row positions (i.e., raking) has increased in response to producer concerns over the potential negative effects of sugarcane straw on crop establishment and stalk yield. Despite increasing adoption among sugarcane farmers, the impacts of straw raking practices on plant growth and yield remain unclear. A 2‐yr experiment that included both dry and wet seasons was conducted at two sites in southeastern Brazil to evaluate straw management strategy effects on plant tillering, phytomass accumulation, plant nutritional status, and stalk yield. The experiments were established at the Bom Retiro mill and the Univalem mill. Experimental treatments included raking straw to inter‐rows (raked), total straw removal (bare soil), and no straw removal (straw cover). Raked and bare soil treatments improved plant tillering but did not influence final plant population. Straw management had a slight effect on phytomass accumulation. Reduction of phytomass yield was observed from the first to the second ratoon during both seasons at both sites. At Bom Retiro, phytomass yield decreased 37% for stands established during the dry season and 19% for stands established during the wet season. At Univalem, phytomass yield decreased 20% for stands established during the dry season and 30% for stands established during the wet season. Retaining straw in the field (regardless of treatment) increased leaf tissue P content but not stalk yield. Raking straw from row to inter‐row positions at these locations in southeastern Brazil had no benefit on sugarcane yield but may result in soil compaction and higher production costs over time.

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Section: Resultsmentioning

confidence: 98%

Section: Second Ratoon Plant Nutrient Statusmentioning

confidence: 99%

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confidence: 99%

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Sugarcane Straw Blanket Management Effects on Plant Growth, Development, and Yield in Southeastern Brazil

et al. 2019

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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%

Does straw mulch partial-removal from soil interfere in yield and industrial quality sugarcane? A long term study

Aquino

Medina

Shahab

et al. 2018

Industrial Crops and Products

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Sugarcane straw mulch left in the field after its mechanical harvest has become very valuable raw material for second generation ethanol and bioelectricity production. However, little information is available on how much straw mulch is needed to be left in the field so that agricultural productivity is not affected and high sustainability is provided for the bioenergy production system. The objective of this work was to evaluate the productivity and industrial quality of sugarcane after five years of cultivation when different amount of straw mulch is removed from the field. The experiment was installed in clay texture Eutroferric Red Latosol (Oxisol). Six treatments were evaluated: 0%, 25% (5 t ha −1), 50% (10 t ha −1), 75% (15 t ha −1), 100% (20 t ha −1) of straw mulch and burnt cane harvesting (where 100% of the straw mulch was burned). Evaluated parameters included sugarcane productivity (tons/hectare) and its industrial quality (Pol, soluble solids (°Brix), apparent purity and total sugars (TS)). Productivity was calculated at the end of the cycle whereas industrial quality parameters were evaluated during three phases i.e. 180, 240 and 350 days after cutting (DAC). Straw mulch of 50 and 75% were statistically at par with each other but resulted in higher sugarcane production with 47% more productivity as compared to 0 and 25% of straw mulch as well as burned cane harvesting. Straw mulch didn't affect the industrial quality; however, higher sugar production was supported by higher agricultural productivity, under low moisture condition. It is possible to remove 50% of straw mulch from the field for the production of second generation ethanol or bioelectricity, without any damage to the crop.

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“…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%

Prediction of Sugarcane Yield Based on NDVI and Concentration of Leaf-Tissue Nutrients in Fields Managed with Straw Removal

et al. 2018

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The total or partial removal of sugarcane (Saccharum spp. L.) straw for bioenergy production may deplete soil quality and consequently affect negatively crop yield. Plants with lower yield potential may present lower concentration of leaf-tissue nutrients, which in turn changes light reflectance of canopy in different wavelengths. Therefore, vegetation indexes, such as the normalized difference vegetation index (NDVI) associated with concentration of leaf-tissue nutrients could be a useful tool for monitoring potential sugarcane yield changes under straw management. Two sites in São Paulo state, Brazil were utilized to evaluate the potential of NDVI for monitoring sugarcane yield changes imposed by different straw removal rates. The treatments were established with 0%, 25%, 50%, and 100% straw removal. The data used for the NDVI calculation was obtained using satellite images (CBERS-4) and hyperspectral sensor (FieldSpec Spectroradiometer, Malvern Panalytical, Almelo, Netherlands). Besides sugarcane yield, the concentration of the leaf-tissue nutrients (N, P, K, Ca, and S) were also determined. The NDVI efficiently predicted sugarcane yield under different rates of straw removal, with the highest performance achieved with NDVI derived from satellite images than hyperspectral sensor. In addition, leaf-tissue N and P concentrations were also important parameters to compose the prediction models of sugarcane yield. A prediction model approach based on data of NDVI and leaf-tissue nutrient concentrations may help the Brazilian sugarcane sector to monitor crop yield changes in areas intensively managed for bioenergy production.

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Water storage in a Plinthaqualf cultivated with sugarcane under straw levels

Cited by 16 publications

References 15 publications

Sugarcane Straw Blanket Management Effects on Plant Growth, Development, and Yield in Southeastern Brazil

Sugarcane Straw Blanket Management Effects on Plant Growth, Development, and Yield in Southeastern Brazil

Does straw mulch partial-removal from soil interfere in yield and industrial quality sugarcane? A long term study

Prediction of Sugarcane Yield Based on NDVI and Concentration of Leaf-Tissue Nutrients in Fields Managed with Straw Removal

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