scholarly journals EVAPOTRANSPIRAÇÃO, COEFICIENTE DE CULTURA E CRESCIMENTO DE CANA-DE-AÇÚCAR PLANTADA POR MUDAS PRÉ-BROTADAS E POR TOLETES

Irriga ◽  
2021 ◽  
Vol 1 (3) ◽  
pp. 517-529
Author(s):  
MARIA EDUARDA NAJM SANDRINI ◽  
ALEXANDRE BARCELLOS DALRI ◽  
ANDERSON PRATES COELHO ◽  
ROGÉRIO TEIXEIRA DE FARIA ◽  
LUIZ FABIANO PALARETTI
Keyword(s):  
Regression Analysis ◽  
Water Balance ◽  
Water Consumption ◽  
Reference Evapotranspiration ◽  
Crop Coefficient ◽  
Bare Soil ◽  
Initial Growth ◽  
Crop Evapotranspiration ◽  
Agronomic Practices ◽  
Crop Coefficients

EVAPOTRANSPIRAÇÃO, COEFICIENTE DE CULTURA E CRESCIMENTO DE CANA-DE-AÇÚCAR PLANTADA POR MUDAS PRÉ-BROTADAS E POR TOLETES   MARIA EDUARDA NAJM SANDRINI1, ALEXANDRE BARCELLOS DALRI1, ANDERSON PRATES COELHO1, ROGÉRIO TEIXEIRA DE FARIA1, LUIZ FABIANO PALARETTI1   1Departamento de Engenharia e Ciências Exatas, Faculdade de Ciências Agrárias e Veterinárias, Jaboticabal, SP, Brasil. [email protected], [email protected], [email protected], [email protected], [email protected]   1 RESUMO   Atualmente, a cana-de-açúcar apresenta diversos modos de plantio, destacando-se o plantio por mudas pré-brotadas. Esse sistema necessita de novos estudos para a recomendação adequada das práticas agronômicas, como a irrigação. Objetivou-se nesse trabalho avaliar e comparar o consumo hídrico, o coeficiente de cultura e o crescimento inicial da cana-de-açúcar plantada por mudas pré-brotadas (MPB) e por toletes. Foram definidos quatro tratamentos: cana-de-açúcar plantada por MPB e por toletes, plantio de grama batatais e solo nu, todos mantidos em lisímetros de pesagem. A evapotranspiração de referência (ETo) foi medida em lisímetros com a cultura de referência (grama). A evapotranspiração da cultura (ETc) da cana-de-açúcar plantada por MPB e toletes foi estimada por meio do balanço hídrico do solo. A estimativa dos coeficientes de cultura (Kc) foi obtida pela razão entre a ETc dos lisímetros com cana e a ETo. A comparação das variáveis entre a cana-de-açúcar plantada por MPB e por toletes foi realizada por análise de regressão. O Kc da cana-de-açúcar plantada por toletes variou de 0,86 a 2,88 e do plantio por MPB de 1,12 a 3,10. A cana-de-açúcar plantada por MPB apresenta maior consumo hídrico, coeficiente de cultura e crescimento inicial do que quando plantada por toletes.   Palavras-chave: arduino, consumo hídrico, irrigação, Kc, lisímetro de pesagem.     SANDRINI, M.E.N; DALRI, A.B.; COELHO, A.P.; FARIA, R.T. de, PALARETTI, L.F. EVAPOTRANSPIRATION, CROP COEFFICIENT AND SUGARCANE GROWTH PLANTED BY PRE-SPROUTED SEEDLINGS AND STALKS     2 ABSTRACT   Currently, the sugarcane presents several types of planting, especially the planting by pre-sprouted seedlings. This system needs new studies for the adequate recommendation of agronomic practices, such as irrigation. We aimed in this work to evaluate and compare the water consumption, crop coefficient and initial growth of sugarcane planted by pre-sprouted seedlings (PSS) and stalks. Four treatments were defined, being sugarcane planted by PSS and by stalks, bahiagrass grass and bare soil, all kept in weighing lysimeters. The reference evapotranspiration (ETo) was measured in the grass lysimeters. The crop evapotranspiration (ETc) of sugarcane planted by PSS and stalks was estimated by the water balance in the soil. The estimation of the crop coefficients (Kc) was obtained from the ratio between ETc of lysimeters with sugarcane and ETo. Comparison of the variables between planted sugarcane by PSS and by stalks was performed by regression analysis. The Kc of the sugarcane planted by stalks ranged between 0.86 to 2.88 and planting by PSS from 1.12 to 3.10. The sugarcane planted by PSS presents higher water consumption, crop coefficient and initial growth than when planted by stalks.   Keywords: arduino, water consumption, irrigation, Kc, weighing lysimeter.

scholarly journals EVAPOTRANSPIRAÇÃO E COEFICIENTE DE CULTURA DA ALSTROEMERIA (Alstroemeria x hybrida) CULTIVADA EM ESTUFA

Irriga ◽  
2016 ◽  
Vol 21 (4) ◽  
pp. 817-829 ◽  
Author(s):  
Leonita Beatriz Girardi ◽  
Marcia Xavier Peiter ◽  
Rogério Antonio Bellé ◽  
Adroaldo Dias Robaina ◽  
Rogério Ricalde Torres ◽  
...  
Keyword(s):  
Water Consumption ◽  
Reference Evapotranspiration ◽  
Irrigation Management ◽  
Crop Coefficient ◽  
Growth Stages ◽  
Crop Evapotranspiration ◽  
Retention Capacity ◽  
Full Flowering ◽  
Crop Coefficients ◽  
Santa Maria

EVAPOTRANSPIRAÇÃO E COEFICIENTE DE CULTURA DA ALSTROEMERIA (Alstroemeria x hybrida) CULTIVADA EM ESTUFA  LEONITA BEATRIZ GIRARDI1; MARCIA XAVIER PEITER²; ROGERIO ANTONIO BELLɳ; ADROALDO DIAS ROBAINA4; ROGÉRIO RICALDE TORRES5; JARDEL HENRIQUE KIRCHNER5 E LUIS HUMBERTO BAHÚ BEN5 1 Eng. Agrônoma, Mestra, Doutoranda no Programa de Pós-Graduação em Engenharia Agrícola, Universidade Federal de Santa Maria/UFSM, Santa Maria-RS, 97195-000, [email protected] Eng. Agrônoma, Doutora, Professora Associada do Departamento de Engenharia Rural, UFSM, Santa Maria-RS, 97195-000, [email protected] Eng. Agrônomo, Doutor, Professor Associado do Departamento de Fitotecnia, UFSM, Santa Maria-RS, 97195-000, [email protected] Eng. Agrônomo, Doutor, Professor Titular do Departamento de Engenharia Rural, UFSM, Santa Maria-RS, 97195-000, [email protected] Eng. Agrônomo, Mestre, Doutorando no Programa de Pós-Graduação em Engenharia Agrícola, UFSM, Santa Maria-RS, 97195-000, [email protected], [email protected], [email protected].  1 RESUMO A determinação da necessidade hídrica de uma cultura específica ao longo do seu ciclo é essencial para o correto manejo da irrigação. O objetivo da presente pesquisa foi determinar a evapotranspiração e o coeficiente de cultivo (Kc) da Alstroemeria x hybrida cultivada em ambiente protegido. A determinação da evapotranspiração da cultura (ETc) foi por lisimetria de pesagem, já a evapotranspiração de referência (ETo) foi determinada pelo método de Penman-Monteith. O experimento foi conduzido em estufa climatizada no Colégio Politécnico da UFSM, Santa Maria-RS, tendo como tratamento cinco lâminas de irrigação/reposição de água em relação à capacidade de retenção de vaso (CRV) (30, 45, 60, 75 E 90 % da CRV).  O delineamento experimental adotado foi um DIC, delineamento inteiramente casualizado, com um total de dez repetições, sendo uma planta por vaso. Para a avaliação do Kc, foi usado o limite de 90% da capacidade de recipiente. O coeficiente cultural foi obtido pela relação entre a ETc e a ETo. O consumo de água para a cultura da Alstroemeria x hybrida nos tratamentos com limite de disponibilidade hídrica variou de 47,6 mm a 207,8 mm. A média do coeficiente de cultura da Alstroemeria x hybrida cultivada em ambiente protegido foi de 0,39 para o período vegetativo, 0,41 no inicio do florescimento, 0,95 para florescimento, 1,50 para pleno florescimento e 0,75 para a queda no florescimento. Palavras-chave: necessidade hídrica, flor de corte, manejo de irrigação, coeficiente cultural.  GIRARDI, L. B.; PEITER, M. X.; BELLÉ, R. A.; ROBAINA, A. D.; TORRES, R. R.; KIRCHNER, J. H.; BEN, L. H. B.EVAPOTRANSPIRATION AND CROP COEFFICIENTS OF POTTED Alstroemeria x hybrida GROWN IN GREENHOUSE   2 ABSTRACT The determination of water requirements of a crop throughout its cycle is critical for a proper irrigation management. The objective of this study was to determine the evapotranspiration and crop coefficient (Kc) of Alstroemeria x hybrida grown under greenhouse conditions. The crop evapotranspiration (ETc) was determined by weighing lysimeters, and the reference evapotranspiration (ETo) was estimated by the Penman-Monteith method. The Experiment was conducted under controlled conditions at the Polytechnic College of UFSM, Santa Maria, RS, and the treatment comprised five depths for water replacement associated to the pot retention capacity (WHC) (30, 45, 60, 75 and 90% of WHC). The experimental design adopted was completely randomized, with ten repetitions, one plant per pot.   For the evaluation of Kc, 90% of the container capacity was consideredas limit. The crop coefficient was obtained by the relationship between the crop evapotranspiration and reference evapotranspiration. Our results demonstrated that water consumption for Alstroemeria x hybrida in the treatments with a limit of water availability varied from 47.6 mm to 207.8 mm. The average crop coefficient of Alstroemeria x hybrida grown under greenhouse conditions was 0.39 for the growth stages, 0.41 for the beginning of flowering, 0.95 for flowering, and1.50 and 0.75 for full flowering and for the end of the flowering, respectively. Keywords: water consumption, cut flower, irrigation management, crop coefficient.

scholarly journals Validation of Crop Coefficients and Water Requirement of Maize Crop in the Temperate Climatic Region of India

2020 ◽  
Vol 8 (5) ◽  
pp. 5132-5138
Keyword(s):  
Water Balance ◽  
Reference Evapotranspiration ◽  
Crop Coefficient ◽  
Growth Period ◽  
Water Requirement ◽  
Balance Method ◽  
Growth Stages ◽  
Maize Crop ◽  
Water Balance Method ◽  
Crop Coefficients

The field study was conducted on Lysimeter by employing the soil water balance method to compute the water requirement and Crop coefficient of Maize in the temperate climatic zone of India. Non-weighing type lysimeters (drainage type) of 2 × 1.5 × 2 m was installed to compute the irrigation requirement, actual crop evapotranspiration (ETc) and actual crop coefficient of maize by water balance method. The water requirement of maize was found 410.4 mm using lysimeter data. The mean daily reference evapotranspiration (ETo) of maize ranged from 0.91 mm/day in the starting growth period to 5.29 mm/day at midseason. The peak ETo of Maize was found 6.3mm/day. The computed crop coefficient (Kc) values of Maize for diffrent crop growth stages were 0.53 for intial, 0.93 for development , 1.05 for mid-season, and 0.78 for late season .A Correlation was also established between Penman-Monteith (P-M) and four other reference Evapotranspiration methods.

scholarly journals Sesame Crop Coefficients, Using Crop Evapotranspiration by Water Balance and, Reference Evapotranspiration by Penman-Monteith

2014 ◽  
Author(s):  
J.R. Pereira ◽  
W.P. Araújo ◽  
E.S.A.B. Almeida ◽  
J.R.C. Bezerra ◽  
H.O.C. Guerra ◽  
...  
Keyword(s):  
Water Balance ◽  
Reference Evapotranspiration ◽  
Crop Evapotranspiration ◽  
Crop Coefficients

scholarly journals SESAME CROP COEFFICIENTS USING CROP EVAPOTRANSPIRATION BY WATER BALANCE AND, REFERENCE EVAPOTRANSPIRATION BY PENMAN-MONTEITH1

Irriga ◽  
2014 ◽  
Vol 1 (1) ◽  
pp. 72
Author(s):  
José Rodrigues Pereira ◽  
Whéllyson Pereira Araújo ◽  
Érica Samara Araújo Barbosa De Almeida ◽  
José Renato Cortez Bezerra ◽  
Hugo Orlando Carvallo Guerra ◽  
...  
Keyword(s):  
Water Balance ◽  
Reference Evapotranspiration ◽  
Crop Evapotranspiration ◽  
Crop Coefficients

scholarly journals Irrigation Requirement for Eucalyptus pellita during Initial Growth

Water ◽  
2019 ◽  
Vol 11 (10) ◽  
pp. 1972
Author(s):  
Dwinata Aprialdi ◽  
Muhammad Ibnu Haiban ◽  
Bjørn Kløve ◽  
Ali Torabi Haghighi
Keyword(s):  
Water Balance ◽  
Growth Phase ◽  
Reference Evapotranspiration ◽  
Crop Coefficient ◽  
Soil Conditions ◽  
Initial Growth ◽  
Irrigation Requirement ◽  
Eucalyptus Pellita ◽  
Set Up ◽  
Forestry Plantations

The growth of Eucalyptus pellita in forestry plantations requires attention to water requirements, especially in the initial growth phase from seedling to field-ready plant. In this study, actual evapotranspiration (ETa), crop coefficient (Kc), and the irrigation requirement of E. pellita were assessed during the nursery growth phase (day 40–142). The experimental set-up included lysimeters with different treatments in terms of plants, drainage, and soil conditions. Plant growth and water balance were monitored during June September 2018 in an open nursery area in Riau, Indonesia. ETa was determined by the water balance lysimeter method and potential (reference) evapotranspiration (ETo) was extracted based on the Penman-Monteith method (FAO/56). The results showed that the average Kc value for E. pellita at age 40–142 days is 0.79, which exceeds that reported for E. grandis. The recommended irrigation requirement varies depending on precipitation, from 70 mL/plant/day with no rainfall to zero at precipitation of >30 mm/day. This is the first study to assess water use in E. pellita growing in pots during the nursery phase, which provides guidance on irrigation requirements during their initial growth phase.

scholarly journals Water consumption of the estevia (Stevia rebaudiana (Bert.) Bertoni) crop estimated through microlysimeter

2003 ◽  
Vol 60 (3) ◽  
pp. 595-599 ◽  
Author(s):  
Diniz Fronza ◽  
Marcos Vinícius Folegatti
Keyword(s):  
Water Resource ◽  
Crop Yield ◽  
Water Consumption ◽  
Reference Evapotranspiration ◽  
Stevia Rebaudiana ◽  
Crop Coefficient ◽  
Water Requirement ◽  
Crop Evapotranspiration ◽  
Rational Use ◽  
Leaf Yield

The knowledge of water requirement of crops in the different growing phases elicits higher crop yield and rational use of water resource. The aim of this work was to estimate the water consumption of stevia using two constant watertable microlysimeters. The research was conducted in San Piero a Grado, Pisa, Italy. The data were collected daily from June, 1st, to October, 22th, 2000. Reference evapotranspiration was determined by the Penman-Monteith-FAO method, in the same period. Microlysimeters watertables level were maintained at the 35 cm depth. Crop evapotranspiration for the total cicle (80 days) was 464 mm. For the most water consuming phase, crop average evapotranspiration was 5.44 mm day-1. The crop coefficient values were 1.45 for the first 25 days, 1.14 for the next period (26 to 50 days), and 1.16 for the latest period (51 to 80 days). The stevia leaf yield of the microlysimeters was 4.369 kg ha-1 and their steviosideo content 6.49%.

scholarly journals Estimatation of evapotranspiration and crop coefficient of melon cultivated in protected environment

2017 ◽  
Vol 21 (11) ◽  
pp. 758-762 ◽  
Author(s):  
Cláudia S. Lozano ◽  
Roberto Rezende ◽  
Paulo S. L. de Freitas ◽  
Tiago L. Hachmann ◽  
Fernando A. S. Santos ◽  
...  
Keyword(s):  
Water Consumption ◽  
Crop Coefficient ◽  
Initial Growth ◽  
State University ◽  
Total Water ◽  
Phenological Stages ◽  
Weather Information ◽  
Total Water Consumption ◽  
Intermediate Phases ◽  
Crop Coefficients

ABSTRACT The objective of this work was to determine the water consumption and the crop coefficient of melon in a protected environment. The experiment was conducted in a greenhouse at the Technical Center of Irrigation of the State University of Maringá, in Maringá, PR. The melon hybrid used was Sunrise and the irrigations were performed daily by drip irrigation. Crop water requirement was quantified based on its evapotranspiration directly measured through constant water table lysimeters. Weather information was collected in an automatic weather station, installed inside the protected environment, which allowed to calculate the reference evapotranspiration by the Penman-Monteith method. The total water consumption of the melon crop was 295 mm, reaching maximum crop evapotranspiration of 5.16 mm d-1. The phenological stages were shorter in the initial, growth and intermediate phases, compared with the data from FAO. The determined crop coefficients were 0.87, 1.15 and 0.64 for the initial, intermediate and final stages, respectively

scholarly journals INFLUÊNCIA DA COBERTURA MORTA NA EVAPOTRANSPIRAÇÃO, COEFICIENTE DE CULTIVO E EFICIÊNCIA DE USO DE ÁGUA DO MILHO CULTIVADO EM CERRADO

Irriga ◽  
2018 ◽  
Vol 21 (2) ◽  
pp. 352
Author(s):  
HIPÓLITO MURGA-ORRILLO ◽  
WELLINGTON FARIAS ARAUJO ◽  
CARLOS ABANTO RODRIGUEZ ◽  
RICARDO MANUEL BARDALES LOZANO ◽  
ROBERTO TADASHI SAKAZAKI ◽  
...  
Keyword(s):  
Zea Mays ◽  
Water Use Efficiency ◽  
Water Use ◽  
Water Consumption ◽  
Irrigation Management ◽  
Crop Coefficient ◽  
Ground Cover ◽  
Bare Soil ◽  
Crop Cycle ◽  
Use Efficiency

INFLUÊNCIA DA COBERTURA MORTA NA EVAPOTRANSPIRAÇÃO, COEFICIENTE DE CULTIVO E EFICIÊNCIA DE USO DE ÁGUA DO MILHO CULTIVADO EM CERRADO HIPÓLITO MURGA-ORRILLO1; WELLINGTON FARIAS ARAÚJO2; CARLOS ABANTO-RODRIGUEZ3; ROBERTO TADASHI SAKAZAKI4; RICARDO MANUEL BARDALES-LOZANO5 E ANA ROSA POLO-VARGAS6 1Engenheiro Agrônomo, Prof. Auxiliar, Universidad Nacional Autónoma de Chota, (UNACH), Jr. Gregorio Malca Nº 875- Campus Colpa Matara, Chota, Perú. [email protected] Agrônomo, Prof. Dr. Associado da UFRR/CCA, Boa Vista, RR. [email protected] Florestal, Investigador no Instituto de Investigaciones de la Amazonía Peruana, Carretera Federico Basadre, Km 12,400, Yarinacocha, Ucayali, Perú. [email protected] Agrônomo, Doutorando na UFRR/CCA, Boa Vista, RR. [email protected] Agrônomo, Doutorando na UFRR/Bionorte, Boa Vista, RR. [email protected] Agrônoma, Graduada na Universidad Nacional de Cajamarca, (UNC), Av. Atahualpa Nº 1050- Carretera Cajamarca-Baños del Inca, Cajamarca, Perú. [email protected]  1 RESUMOA irrigação consome grande quantidade de água, sendo importante um adequado manejo da cultura para minimizar esse consumo, maximizando a produção. No intuito de obter informações para o manejo da irrigação, objetivou-se com o presente trabalho determinar a evapotranspiração da cultura (ETc), o coeficiente de cultivo (Kc) e a eficiência do uso de água (EUAg) da cultura de milho, em solo com e sem cobertura, durante os diferentes estádios de desenvolvimento, utilizando lisímetros de drenagem. O experimento foi conduzido no campus Cauamé da Universidade Federal de Roraima, entre 19/04/2014 e 07/08/2014, em Boa Vista, RR. A evapotranspiração de referência (ETo) foi estimada pelo método de Penman-Monteith FAO. Os resultados da ETc do milho, durante o ciclo da cultura, em solo sem e com cobertura foram de 421,5 e 351,0 mm, respectivamente. As médias diárias de ETc foram de 4,1 mm dia-1 para solo sem cobertura e 3,4 mm dia-1 para solo com cobertura. A cobertura do solo propiciou valores diferentes de Kc's para o milho, nos mesmos estádios, em comparação aos Kc’s do solo descoberto. Para o solo descoberto, os Kc’s observados para os estádios fenológicos I, II, III, e IV, foram de 0,40; 0,84; 1,59 e 0,81, respectivamente. Já para solo com cobertura, os Kc’s pelos mesmos estádios em menção foram 0,28; 0,64; 1,49 e 0,48, respectivamente. A EUAg para solo com cobertura foi 1,77 kg m-3 e para solo sem cobertura foi 1,65 kg m-3. Estes resultados mostram que a cobertura morta no solo influenciou no consumo hídrico do milho durante todo seu ciclo. Palavras-chave: Zea mays. Irrigação. Solo coberto. Consumo hídrico.  MURGA-ORRILLO, H.; ARAÚJO, W. F.; ABANTO-RODRIGUEZ C.; SAKAZAKI, R. T.; BARDALES-LOZANO R. M.; POLO-VARGAS, A. R.MULCH INFLUENCE ON EVAPOTRANSPIRATION, CROP COEFFICIENT AND WATER USE EFFICIENCY OF CORN GROWN IN THE SAVANNAH   2 ABSTRACTIrrigation consumes large amounts of water, and minimizing consumption and maximizing the production are  important to a proper crop management . In order to obtain information for irrigation management, the aim of the present study was to determine evapotranspiration (ETc),  crop coefficient (Kc) and  water use efficiency (WUE) of maize grown in soil with and without cover, during the various stages of development, using drainage lysimeters. The experiment was conducted in Cauamé campus of the Federal University of Roraima, from 19/04/2014 to 08/07/2014, in Boa Vista, RR. The reference evapotranspiration (ETo) was estimated by the Penman-Monteith method. The results of the corn ETc during the crop cycle in soil with and without coverage were 421.5 and 351.0 mm, respectively. The daily average of ETc were 4.1 mm day-1 for bare soil and 3.4 mm day-1 for soil with cover. The ground cover led to different values of Kc's for corn in the same stages as compared to Kc's from the bare ground. For bare soil, the Kc's observed for the phenological stages I, II, III, and IV were 0.40; 0.84; 1.59 and 0.81, respectively. As for covered soil, the Kc's in the same stadiums mentioned were 0.28; 0.64; 1.49 and 0.48, respectively. The WUE to soil with cover was 1.77 kg m-3 and ground without cover was 1.65 kg m-3. These results show that  soil mulching influenceS maize water consumption throughout its cycle. Keywords: Zea mays. Irrigation. Ground covered. Water consumption.

scholarly journals Comparison of water consumption estimates for tropical and winter forages by FDR probes and weighing lysimeters

2019 ◽  
Vol 40 (3) ◽  
pp. 1115
Author(s):  
Arthur Carniato Sanches ◽  
Débora Pantojo de Souza ◽  
Fernanda Lamede Ferreira de Jesus ◽  
Fernando Campos Mendonça ◽  
Eder Pereira Gomes ◽  
...  
Keyword(s):  
Soil Moisture ◽  
Water Consumption ◽  
Reference Evapotranspiration ◽  
The Other ◽  
Bermuda Grass ◽  
Soil Water Balance ◽  
Moisture Determination ◽  
Crop Evapotranspiration ◽  
College Of Agriculture ◽  
Frequency Domain Reflectometry

Soil moisture determination is essential for a good use of available water resources. In this regard, the use of frequency domain reflectometry (FDR) probes has as advantages mobility and practicality in relation to lysimeters. The experiment was carried out between April and June 2016 at the Luiz de Queiroz College of Agriculture (ESALQ/USP), located in Piracicaba, SP at the geographical coordinates 22°42?14.6? S and 47°37?24.1? W and altitude of 546 m. This study aimed to assess these FDR probes to estimate water consumption in comparison to measurements by weighing lysimeters (ETcLys) and reference evapotranspiration (ETo) in Mombaça and Bermuda grass pastures under single cultivation and overseeded with oat and ryegrass. Soil moisture was assessed daily by FDR probes by estimating crop evapotranspiration (ETcFDR probe) from soil water balance calculation, which was correlated with ETcLys and ETo (Penman-Monteith, FAO 56). For all treatments, FDR probes presented the highest water consumptions when compared to the other two evapotranspiration methods, with accumulations of 126.5 and 125.6 mm for single and overseeded Mombaça grass, respectively. For Bermuda grass, water consumption was 123.4 mm in the single cultivation and 128.5 mm when overseeded. The method of estimating evapotranspiration by FDR probes showed good correlations with ETo and ETcLys.

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