Evapotranspiration, crop coefficient and seed yield of drip irrigated pumpkin under semi-arid conditions

Yavuz, Duran; Yavuz, Nurcan; Seymen, Musa; Türkmen, Önder

doi:10.1016/j.scienta.2015.11.010

Cited by 25 publications

(17 citation statements)

References 19 publications

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“…For a local variety in Turkey, Yavuz et al [35] recommend values of 0.56, 0.95 and 0.65 for the same stages, respectively. It is possible that the Kc values obtained in the present study were higher because the Italian zucchini crop received irrigation and/or precipitation daily, whereas the above-mentioned study used a 7-day irrigation interval.…”

Section: Plos Onementioning

confidence: 99%

Evapotranspiration and crop coefficients of Italian zucchini cultivated with recycled paper as mulch

et al. 2020

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Recycled paper has the potential to be used as a mulch for vegetable production and can be adopted for the cultivation of Italian zucchini. However, there have been no studies about the water savings or crop coefficient values used in irrigation management in this system; therefore, there is a need for more research. In view of the above, this study aimed to evaluate the effects of recycled paper mulch on evaporation and evapotranspiration in Italian zucchini and to determine the crop coefficients in its developmental stages. The study was carried out in two cultivation cycles conducted at the Lysimetric Station in Viçosa, MG, Brazil. The experiments were installed in a randomized block design with four replicates. Four lysimeter cultivation treatments were applied: without mulch (C); with recycled paper as mulch (CP); with only recycled paper (P); and with Bahia grass (G). Irrigation and drainage measurements were performed daily to calculate the crop and reference evapotranspiration, and thus the crop coefficient (Kc) values. The following characteristics were evaluated: fruit yield, NDVI and water productivity. For the cultivation of Italian zucchini using paper as mulch, Kc values of 0.54, 0.77 and 0.44 and Kcb values of 0.15, 0.45 and 0.18 are recommended for the initial, intermediate and final stages, respectively. NDVI can be used to estimate the Kc values for Italian zucchini. The use of recycled paper as mulch reduces the water consumption of Italian zucchini.

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Section: Plos Onementioning

confidence: 99%

Evapotranspiration and crop coefficients of Italian zucchini cultivated with recycled paper as mulch

et al. 2020

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“…These values are lower than those proposed by Allen et al (1998), who recommend for cucurbits mean Kc values of 0.5, 1.0 and 0.80 for the stages I, III and IV, respectively. Yavuz et al (2015b) obtained mean Kc values of 0.56, 0.72, 0.95 and 0.65 for the above-mentioned stages, when irrigation intervals of 7 days are used. Klosowski et al (1999) obtained Kc of 0.68, 1.96 and 1.38 in the first, sixth and tenth weeks of the cycle of summer squash cv.…”

Section: Resultsmentioning

confidence: 88%

Evapotranspiration and water response function of squash cv. ‘Italiana’ under different cultivation conditions

Martim

Silva

Ferneda

et al. 2018

Rev. bras. eng. agríc. ambient.

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Aiming to support projects and managements of irrigation for vegetables in the Mid-North region of Mato Grosso state, Brazil, this paper determined crop evapotranspiration (ETc), crop coefficients (Kc) and water response function of summer squash (Curcubita pepo) cv. ‘Italiana’ under different cultivation conditions. The plantations were conducted in the dry season of the region (July to October 2016), using 2.5 kg m-2 of millet straw (grass) and crotalaria straw (legume) and bare soil. ETc was obtained by soil water balance through tensiometry, whereas Kc values were given by the ratio between ETc and the reference evapotranspiration (ETo) obtained by the FAO-56 Penman-Monteith method. For the water response function, the rates of 40, 60, 80, 100 and 120% ETc were applied, in which case the Class A pan method was used to obtain ETo. The different soil covers did not influence the ETc, Kc and accumulated thermal sum in the phenological stages of the summer squash. Kc values were 0.1, 0.25, 0.38 and 0.41, for the phenological stages I to IV, with average durations of 8, 46, 16, and 20 days, respectively. Increase in irrigation depths did not influence the rates of production of male and female flowers, but affected yield and decreased water use efficiency, regardless of soil cover.

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“…This vegetable presents a fruit of globular shape, with average weight of 2 kg to 3 kg, herbaceous stem, large dark green leaves. Its pulp is yellow, rich in nutrients as vitamins A and B complex, and in minerals including calcium, iron magnesium, potassium, and zinc [2]. Also, it presents good quality for consumption, conservation, and flavor [3].…”

Section: Introductionmentioning

confidence: 99%

Development of Pumpkin Young Plants Receiving Dosages of Phosphorus from Different Sources

Franco

Oliveira

Alves

et al. 2019

JEAI

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Aims: The research aimed to analyze the effect of five different dosages and three sources of phosphorus on the growth and development of young plants of pumpkins (Cucurbita moschata), cultivar Jacarezinho. Study Design: The experimental design utilized was the completely randomized design with the factorial arrangement 5 x 3 with three repetitions. Place and Duration of Study: The experiment was performed in a greenhouse of the Federal Rural University of Amazônia in the Capitão Poço City, Pará State. The research was carried out from March to April 2016. Methodology: The analyzed variables were plant height (PH), stem diameter (SD), number of leaves (NL), fresh root mass (FRM), fresh aerial mass (FAM), dry aerial mass, (DAM) and dry root mass (DRM) at 30 days after sowing. The averages of dosages x sources interactions were submitted to a regression analysis. Results: There was a significant effect of the interaction dosage x source for the PH, FAM and DAM. However, the dose of fertilizer got an effect on the SD, with linear response. The plots that did not reserve any fertilizers showed the least response for all variables. ARAD was the source that had the least performance in the analyzed variables in comparison to others sources. Conclusion: The superphosphate and triple superphosphate sources provided better development and accumulation of dry matter.

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Evapotranspiration, crop coefficient and seed yield of drip irrigated pumpkin under semi-arid conditions

Cited by 25 publications

References 19 publications

Evapotranspiration and crop coefficients of Italian zucchini cultivated with recycled paper as mulch

Evapotranspiration and crop coefficients of Italian zucchini cultivated with recycled paper as mulch

Evapotranspiration and water response function of squash cv. ‘Italiana’ under different cultivation conditions

Development of Pumpkin Young Plants Receiving Dosages of Phosphorus from Different Sources

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