Dimensioning the Impact of Irrigation on Sugarcane Yield in Brazil

Dias, Henrique Boriolo; Sentelhas, Paulo César

doi:10.1007/s12355-018-0619-x

Cited by 25 publications

(6 citation statements)

References 23 publications

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“…Cardoso et al (2015) reported that 45% of the water volume equivalent to the sum of rainfall with irrigation depth was lost by drainage when cultivating sugarcane in lysimeters. Dias & Sentelhas (2018), using the FAO-AZM simulation model for climatic conditions in the Northeast region of Brazil and sugarcane cultivation under full irrigation, found that the lowest irrigation responsiveness occurred in the planting carried out in October; therefore, it is inferred that this is the month with the greatest utilization of precipitation, which corroborates with the results obtained in the present study.…”

Section: Resultssupporting

confidence: 91%

Reducing sugarcane irrigation demand through planting date adjustment in Alagoas State, Brazil

Resende

Nascimento

Carvalho

et al. 2021

Rev. bras. eng. agríc. ambient.

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Sugarcane is both an important crop for the Brazilian Northeast economy, which faces severe water scarcity, and a water-intensive crop. Thus, it is important to develop irrigation strategies to reduce irrigation water demand in the region. This study aims to determine the sugarcane planting date that results in the maximum rainwater availability to the crop in the growing cycle. The crop effective precipitation was estimated from a soil water balance performed during three planting cycles of sugarcane, cultivar ‘RB 92579’. The crop was planted under subsurface drip irrigation in five months: October, November, December, January, and February, corresponding to the dry season period of the region. The experiment was conducted at the Açúcar e Álcool Coruripe Mill, located in the Coruripe municipality, State of Alagoas, Brazil, during the years 2012 to 2016. For all planting dates and growing cycles studied, the average effective rainy precipitation was equal to 30% of the total rainfall under irrigated conditions and 54.5% without considering the irrigation component in the soil water balance. November was the planting date that resulted in the minimum irrigation depth for the sugarcane growing cycle, with the potential irrigation water saving ranging from 5 to 129 mm.

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Section: Resultssupporting

confidence: 91%

Reducing sugarcane irrigation demand through planting date adjustment in Alagoas State, Brazil

Resende

Nascimento

Carvalho

et al. 2021

Rev. bras. eng. agríc. ambient.

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“…A previous study 10 suggests that sugar beet is one of highly water-hungry crops, and each plant is capable of releasing 1 L of water a day into the atmosphere at the foliage rapid growth stage. So, adequate water is necessary for the growth of sugar crops 11 – 15 . Sugar-beet is also a fertilizer-loving crop 16 – 19 .…”

Section: Introductionmentioning

confidence: 99%

Effects of irrigation and nitrogen on chlorophyll content, dry matter and nitrogen accumulation in sugar beet (Beta vulgaris L.)

Wang

et al. 2021

Sci Rep

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A 2-year field experiment was conducted to analyze the growth conditions, physical features, yield, and nitrogen use efficiency (NUE) of sugar-beet under limited irrigation conditions in northeast of China. A cultivar H003 was used as plant materials; six treatments (C1–C6) were included: C1, no nitrogen applied, rain-fed; C2, nitrogen (120.00 kg ha−1), rain-fed; C3, no nitrogen applied, hole irrigation for seeding; C4, nitrogen (120.00 kg ha−1), hole irrigation for seeding; C5, no nitrogen applied, hole irrigation for seeding; and C6, nitrogen (120.00 kg ha−1), hole irrigation for seeding, and irrigation at foliage rapid growth stage. The irrigation supply was only 500 mL/plant once. Results showed C6 showed the highest chlorophyll content, dry matter accumulation, yield, etc. and had the best NUE among all the treatments. In conclusion, under the routine fertilization conditions of northeast of China, the cultivation measure of hole irrigation 500 mL/plant for seeding combined with irrigation 500 mL/plant at foliage rapid growth stage greatly improved sugar-beet yield and NUE.

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“…Water replacement above 50% did not increase SFY in any region (Figure 7), suggesting that full irrigation might not be a useful strategy. Still, there are several studies in the literature showing that the practice of irrigation promotes an increase in the sugarcane yields (e.g., Gonçalves et al, 2019), especially when levels of water requirement are based on ETc (Dias et al, 2019).…”

Section: Resultsmentioning

confidence: 99%

Simulating sugarcane yield response to ETc replacements and green cane trash blanket maintenance in Brazil

Gonçalves

Costa

Marin

2022

Rev. bras. eng. agríc. ambient.

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Determining the proper crop water requirement associated with the optimum amount of green cane trash blanket (GCTB) on the soil is one of the most discussed issues for sugarcane growers. In this context, this research aimed to evaluate the effects of different amounts of GCTB and ETc replacement scenarios on sugarcane yields across key producing regions in Brazil using the agricultural production systems simulator (APSIM). The sugarcane APSIM (APSIM-Sugar) was parameterized and validated for sugarcane in Brazil, compared to both 100% GCTB cover and bare soil, both fully irrigated. After validation through field data, the APSIM-Sugar model was used to simulate 25 different scenarios with varying GCTB amounts and irrigation demands in 12 regions of Brazil for a 30-year period to estimate stalk yield. Overall, modeled and field data agreed very well regarding soil moisture and biometric and physiological variables, achieving strong modeling efficiency. For most producing regions of Brazil, interaction between the factors did not increase stalk yield significantly, and up to 50% of ETc replacement resulted in the highest increases in stalk yield, with the greatest improvement between 0-25%, producing an average increase of 30 Mg ha-1 per year. The recommended amount of GCTB is at least 5.50 Mg ha-1, taking into account soil health and the need for biofuel generation.

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Dimensioning the Impact of Irrigation on Sugarcane Yield in Brazil

Cited by 25 publications

References 23 publications

Reducing sugarcane irrigation demand through planting date adjustment in Alagoas State, Brazil

Reducing sugarcane irrigation demand through planting date adjustment in Alagoas State, Brazil

Effects of irrigation and nitrogen on chlorophyll content, dry matter and nitrogen accumulation in sugar beet (Beta vulgaris L.)

Simulating sugarcane yield response to ETc replacements and green cane trash blanket maintenance in Brazil

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