Crop Water Requirements of Mature Southern Highbush Blueberries

Dourte, Daniel R.; Haman, Dorota Z.; Williamson, Jeffrey G.

doi:10.1080/15538362.2010.510419

Cited by 6 publications

(6 citation statements)

References 6 publications

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“…Our peak water use is in general agreement with previous studies. Dourte et al (2010) reported peak water use of 'Star' SHB in north central Florida to occur in July at %6 mmÁd -1 . They also reported a temporary decline in water use in June following summer pruning.…”

Section: Resultsmentioning

confidence: 99%

“…Regional recommendations for blueberry (Vaccinium) irrigation exist, but few studies report actual water use or crop evapotranspiration (ETc) for blueberry, especially in the southeastern United States where SHB on heavily amended soils predominate. Dourte et al (2010) studied plant water use of 'Star' SHB for a 12month period in north central Florida. They reported crop coefficient (Kc) values ranging from 0.59 to 1.10 and maximum ETc values of %6 mmÁd -1 .…”

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confidence: 99%

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Seasonal Water Use of Southern Highbush Blueberry Plants in a Subtropical Climate

Williamson

Mejía

Ferguson

et al. 2015

hortte

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Nonweighing drainage lysimeters were used to measure seasonal water use of mature ‘Emerald’ southern highbush blueberry (SHB; Vaccinium corymbosum interspecific hybrid) plants grown in pine bark beds and in pine bark amended soil in north central Florida. In the absence of rain, irrigation was applied daily with microsprinklers at ≈120% to 175% of reference evapotranspiration as either single or split applications. Leachate was collected and its volume determined from each lysimeter at 6- to 10-day intervals throughout the study. Water use, expressed as L/plant, was calculated as the difference between the amount of irrigation/rain added to lysimeters and the amount of leachate collected from lysimeters during each measurement period. Average daily water use was calculated for monthly intervals beginning in Apr. 2010 and ending in Sept. 2012. Water use increased rapidly during spring through the final stages of fruit ripening and harvest (May) with peak water use occurring during mid to late summer (July, August, and September). Plants grown in pine bark beds used more water than plants in pine bark amended soil during Apr., May, and Dec. 2010, Feb. 2011, and Mar. 2012, but there were no differences during the periods of highest water use. No differences in water use were observed between single or split-application irrigation treatments. Monthly averages for daily water use during the 30-month period ranged from ≈1.75 L/plant in January to ≈8.0 L/plant in mid to late summer. Mean monthly crop coefficient values during the 30-month period ranged from 0.44 in February to 0.86 in September. Canopy volume, yield, and mean berry weight were unaffected by soil or irrigation treatments.

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Section: Resultsmentioning

confidence: 99%

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confidence: 99%

Seasonal Water Use of Southern Highbush Blueberry Plants in a Subtropical Climate

Williamson

Mejía

Ferguson

et al. 2015

hortte

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“…In both studies the SWB was used to determine ET c (Souza et al, 2009;Nogueira et al, 2014). Dourte et al (2010) studied the water requirements of southern mature highbush blueberries (interspecific hybrids of Vaccinium corymbosium L., V.virgatum Aiton and V. darrowi Camp) in Florida (USA), based on the SWB approach combining data from drainage lysimeter and soil moisture measurements; overhead impact sprinklers were used for irrigation. Bryla (2011) estimated the K c of highbush blueberries (V. corymbosum) using ET c data provided by the Pacific Northwest Cooperative Agricultural Weather Network (AgriMet) and weather-based estimates of ET o from the CIMIS (California Irrigation Management Information System) website.…”

Section: Vine Fruit Crops Berries and Hopsmentioning

confidence: 99%

Updated single and dual crop coefficients for tree and vine fruit crops

Rallo

Paço

Paredes

et al. 2021

Agricultural Water Management

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The present study reviews the research on the FAO56 crop coefficients of fruit trees and vines performed over the past twenty years. The main objective was to update information and extend tabulated single (K c ) and basal (K cb ) standard crop coefficients. The selection and analysis of the literature for this review have been done to consider only studies that adhere to FAO56 method, computing the reference ET with the FAO Penman-Monteith ET o equation and field measuring crop ET with proved accuracy. The crops considered refer to vine fruit crops, berries and hops, temperate climate evergreen fruit trees, temperate climate deciduous fruit trees and, tropical and subtropical fruit crops. Papers satisfying the conditions expressed above, and that studied the crops under pristine or appropriate eustress conditions, were selected to provide for standard K c and K cb data. Preference was given to studies reporting on the fraction of ground cover (f c ), crop height (h), planting density, crop age and adopted training systems. The K c and K cb values obtained from the selected literature generally show coherence relative to the crop biophysical characteristics and reflect those characteristics, mainly f c , h and training systems. The ranges of reported K c and K cb values were grouped according to crop density, particularly f c and h, and were compared with FAO56 (Allen et al., 1998) previously tabulated K c and K cb values, as well as by Allen and Pereira (2009) and Jensen and Allen (2016), which lead to define update indicative standard K c and K cb values. These values are aimed for use in crop water requirement computations and modeling for irrigation planning and scheduling, thus also aimed at supporting improved water use and saving in orchards and vines.

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“…If the rates of water infiltrated into the soil under different field conditions are known, then it would be possible to approximate leaching rates using the ratio between the water inputs and the reference ET (ET o ) in place of consumptive use and the root/shoot ratio of plants. The crop coefficients estimated for mature blueberry plants in the Gainesville, FL, area were between 0.67 (December) and 1.05 (July and August) (Dourte, Haman, & Williamson, 2010). These values indicate that the consumptive use requirements (crop ET) were slightly lower than the ET o except during the two very warm months of the summer.…”

Section: Resultsmentioning

confidence: 99%

Leaching losses from blueberries grown in sandy soils amended with pine bark

et al. 2020

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Leaching of irrigation water from blueberry (Vaccinium spp.) plants intensifies when sandy soils are amended with pine (Pinus spp.) bark. In a greenhouse study, leaching fractions of water (LFW) and nutrients (LFN) were determined from two blueberry (V. corymbosum L.) cultivars, 'Emerald' and 'Jewel', grown in biochar-treated and nontreated sandy subsoil and irrigated with drip emitters using one of three pulse frequencies in a factorial design. The LFW was >50% under Emerald and <20% under Jewel, which has a more extensive root system. When the frequency of same volume of irrigation was increased from 2 (F2) to 10 (F10) pulses per day, the average LFW decreased from 46 to 30%. The LFN from a single fertigation was much lower than the total LFN after 6 d of irrigations applied between two fertigation events. The LFN increased linearly with LFW. Amending subsoil with 2% biochar increased soil pH, limited root growth, and did not reduce nutrient leaching. Eighteen months after plant establishment, 1.9% of applied NO 3 −-N and 2.5% of applied PO 4 3−-P from Emerald and 0.8 and 1.0%, respectively, from Jewel leached below the root zone during a fertigation event. During irrigations following a fertigation event, 10.5% of both NO 3 −-N and PO 4 3−-P from Emerald and 3.0 and 2.5% from Jewel leached below the root zone. All growth parameters including root/shoot ratio were higher in Jewel than Emerald. This study indicated that leaching rates could be reduced by selecting blueberry cultivars with a dense root system and using a drip irrigation system with >5 pulses d −1 to supply the daily water requirements in pine bark-amended sandy soil. Abbreviations: EC, electrical conductivity; ET, evapotranspiration; ET o , reference evapotranspiration; LFN, leaching fraction of nutrients; LFN f , leaching fraction of nutrients during fertigation; LFN i , fraction of nutrients during irrigations between two fertigation events; LFW, leaching fraction of water; MAE, months after establishment; SHB, southern highbush blueberry. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Crop Water Requirements of Mature Southern Highbush Blueberries

Cited by 6 publications

References 6 publications

Seasonal Water Use of Southern Highbush Blueberry Plants in a Subtropical Climate

Seasonal Water Use of Southern Highbush Blueberry Plants in a Subtropical Climate

Updated single and dual crop coefficients for tree and vine fruit crops

Leaching losses from blueberries grown in sandy soils amended with pine bark

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