Sod production and the effects of liquid organo-mineral fertilizers and thickness of sod (2024)

Ciência e Agrotecnologia, 2007

O nitrogênio e potássio são os nutrientes requeridos em maiores quantidades pelas gramas e no Brasil não se tem informação da quantidade a ser aplicada para se obter a formação de tapete em menor tempo possível. Dois experimentos foram instalados em vasos em casa de vegetação, com o objetivo de avaliar o efeito de doses de nitrogênio e de potássio na produção de tapetes de grama esmeralda (Zoysia japonica). O delineamento utilizado para cada experimento foi fatorial com doses de N ou K e épocas de avaliação. Foram aplicadas quatro doses de nitrogênio (0, 200, 400 e 600 kg ha-1) e quatro doses de potássio (0, 100, 200, e 300 kg ha-1). As doses de nitrogênio e potássio foram aplicadas parceladamente em cobertura. O aumento das doses de N influenciou a taxa de cobertura do solo pela grama (TCS) permitindo a formação do tapete com a dose de 408 kg ha-1 de N aos 198 dias após a colheita do tapete anterior, tempo menor quando comparado com as demais doses. A concentração de N na folha e d...

Physical Sciences Reviews, 2021

The study examined the awareness level of social networking site and how it is applied for learning in an era of coronavirus by Chemistry students in tertiary institutions in Rivers State Nigeria. Three research questions and two hypotheses guided the study. The study adopted the analytic descriptive survey design. One hundred and sixty undergraduate students from Ignatius Ajuru University of Education (IAUE) and Rivers State University (RSU) were randomly selected for the study. The instrument for data collection was a researcher made questionnaire titled social media awareness and application for learning in COVID-19. The consistency coefficient of the instrument was determined by Pearson product moment as a measure of its stability over time. The reliability coefficient of the instruments was 0.95. The instrument was administered to the students online via their numerous class social media platforms. Mean, standard deviation and t-test were the statistical tools used for data ana...

Crop Science, 2007

Hortscience, 2014

ENERGIA NA AGRICULTURA

Com a crescente demanda para produção e comercialização de gramas em tapetes, critérios de qualidade devem ser estabelecidos. Um atributo que pode ser determinante da qualidade dos tapetes e do rendimento (número de tapetes por área) é a resistência mecânica ao manuseio na colheita e transporte. Objetivou-se com este trabalho relatar a construção de equipamento para medição de resistência de tapetes de grama, dando ênfase ao seu funcionamento e eficiência como ferramenta útil na determinação deste atributo. O equipamento é constituído de estrutura rígida com acessórios que fixam o tapete e imprimem tração no sistema, registrando-se a força exercida em dinamômetro de carga. Para a realização do ensaio foram colhidos tapetes de grama em área experimental numa propriedade, em Capela do Alto, SP, em que os tratamentos foram constituídos por dois tipos de adubação (NPK: 300 kg ha-1 + kg ha-1 P2O5 + 200 kg ha-1 K2O e somente N: 300 kg ha-1) e três espessuras de corte do tapete (9, 16 e 22...

Journal of Agronomy and Crop Science, 2017

Grassland Science, 2005

Journal of Agronomy and Crop Science, 2017

HortScience, 2011

Zoysiagrass (Zoysia spp.) is recognized for its low requirements for pesticide and fertilizer input, but Meyer (Z. japonica Steud.), the cultivar commonly used in the transition zone of the United States, is slow to establish. We evaluated new zoysiagrass progeny for stolon growth characteristics and rate of establishment and determined the relationship between stolon growth characteristics and coverage. ‘Meyer’, DALZ 0102 (a Z. japonica), and 18 progeny from crosses of ‘Emerald’ (Z. japonica × Z. tenuifolia Willd. ex Thiele) or a Z. matrella (L.) Merr. × Z. japonica were planted as 6-cm diameter plugs on 30.5 × 30.5-cm centers in 1.5 × 1.5-m plots in 2007 and as single 10-cm diameter plugs in 1.2 × 1.2-m plots in 2008 in Manhattan, KS. Data were collected weekly on number of stolons initiated per plug, stolon elongation, and number of stolon branches. Two researchers rated coverage visually near the end of each growing season. Rate of stolon initiation ranged from 2.2/week to 8.6/w...

Crop Science, 2020

ABSTRACT Urban watersheds include extensive turfgrass plantings that are associated with anthropocentric attitudes toward landscapes. Native and construction-disturbed urban soils often cannot supply adequate amounts of nitrogen (N) and phosphorus (P) for the growth and beauty of landscape plants. Hence, fertilization of landscape plants is practiced. Mismanaged fertilization and irrigation practices represent a potential source of nutrients that may contribute to water quality impairment. This review focuses on turfgrass fertilization practices and their impacts on urban water quality. Research results show that fertilization during active growth periods enhances turfgrass nutrient uptake efficiencies. The major concern regarding the fertilization of turfgrass and landscape plants in urban watersheds, therefore, is selecting the proper combination of fertilizer rate, timing, and placement that maximizes nutrient utilization efficiency and reduces the risk for nutrient loss to water bodies. Encouraging individuals to adopt best management practices (BMPs) is a priority for watershed managers. Research has found that educational programs are an important part of changing fertilization habits and that education needs to be thorough and comprehensive, which is beyond the scope of many seminars and fact sheets currently in use.

PLOS ONE

HortTechnology, 2014

Synthetic sports surfaces are increasingly subject to standardization of athlete-surface and ball-surface interactions (playability parameters). Such standardizations have led to an increase in the level of the engineering and predictability of these surfaces, and as such may be beneficial also for natural turf. In warm and temperate climates, many natural turf sports surfaces are established with warm-season (C4) turfgrass species due to their suitability to the environment in such areas. This study was aimed at evaluating the Féderation Internationale de Football Association (FIFA)-standard playing characteristics of different sports turf surfaces obtained from three commonly used C4 turfgrass species: 1) ‘Tifway 419’ hybrid bermudagrass (Cynodon dactylon var. dactylon × C. transvaalensis), 2) ‘Zeon’ manilagrass (Zoysia matrella), and 3) ‘Salam’ seashore paspalum (Paspalum vagin*tum) for factors concerning leaf tissue (silica, lignin, water content) and canopy structure (shoot den...

Plant Disease, 2013

Large patch of zoysiagrass (Zoysia spp.) is caused by Rhizoctonia solani anastomosis group 2-2 LP. The effects of summer cultivation (core-aerification, verticutting, and sand topdressing) and spring and fall versus summer nitrogen (N) fertilization on large patch in fairway height ‘Meyer’ zoysiagrass were investigated from 2008 to 2011 in Manhattan, Haysville, and Olathe, KS. Disease was assessed by measuring patch diameters or analyzing digital images of affected plot areas to determine the percentage of non-green turfgrass within patches. Cultivation did not affect thatch temperature, soil temperature, soil water content, or turf recovery from large patch in early summer. Furthermore, cultivation did not result in overall significant reductions in patch diameters or average weekly rate of patch diameter increase among plots at the three experimental locations. In some site–year combinations, spring and fall N fertility was associated with lower percentages of non-green turf withi...

Cynodon dactylon (L.) Pers. (bermudagrass) is a member of family Poaceae. It is a C 4 grass that grows extensively from both rhizomes and stolons, as well as by producing seeds. Due to its superior turf quality and outstanding durability, bermudagrass is widely used for residential and recreational areas worldwide. However, the grass is also considered as a troublesome weed in several crops mainly sugarcane (Saccharum officinarum), cotton (Gossypium hirsutum), maize (Zea mays), wheat (Triticum aestivum) and rice (Oryza sativa). It grows well in tropical and subtropical regions between 45°N and 45°S in more than 100 countries worldwide. Due to its ability to form a dense mat and fine textured appearance, bermudagrass is suitable for ornamental home lawns, golf course fairways/tees, athletic fields, industrial parks and soil erosion control as well. However, a major limitation to bermudagrass cultivation is susceptibility to shade stress. The shade come from trees in home lawns, shrubs or physical structures bring challenges for grass. Therefore, understanding how it adapts and grows well under shade is essential for the utilization and management of the important genetic resource of this species. Bermudagrass has been found to be moderately tolerant against shade because tolerance varies from genotype to genotype. It can tolerate shady conditions morphologically, physiologically, and anatomically by developing structural modifications (external/internal modifications), activating antioxidant enzymes and releasing primary/secondary metabolites. The objective of the current review is to better understand the growth and development of bermudagrass and its response mechanisms against shade stress.

Applications of glyphosate for weed control in bermudagrass pastures are permitted; however, product labels are vague regarding use after spring green-up. In-season weed control with glyphosate could be a feasible option if bermudagrass tolerance to glyphosate was better understood. Also, a quantitative method might improve glyphosate injury assessment. The objective of this study was to evaluate the tolerance of bermudagrass cultivars Goodwell and Greenfield to varying glyphosate rates and develop a quantitative methodology to determine glyphosate injury based on relative green canopy cover (RGCC). The experimental design was a completely randomized factorial containing the two bermudagrass cultivars and five glyphosate rates (0.4, 0.5, 1.1, 1.5, and 3.1 kg a.i. ha-1) plus a nontreated control. Visual green canopy cover (VGCC) and RGCC ratings were collected at 8, 16, 24, 37, and 56 days after glyphosate application (DAG), and biomass from canopy regrowth following applications was...

Asian Journal of Plant Sciences, 2021

Horttechnology, 2012

Crop Science, 2015

Agronomy

Bermudagrass is becoming increasingly popular in the Mediterranean transition zone of Europe for establishing new sports and recreational turfgrasses. In these regions, the quality and winter hardiness of bermudagrass turf is influenced by the establishment. It has been demonstrated that an early establishment of bermudagrass results in a longer growing season with a greater stolon and rhizome production, which favors cold hardiness and a quicker green up after the first winter. Dormant seeding is reported to be beneficial for an early establishment. However, the response to early seeding depends on local environmental conditions. A field study was conducted in northeastern Italy during spring 2018 and 2019. Four bermudagrass cultivars (“Transcontinental”, “Jackpot”, “SR9554”, and “La Paloma”) were compared under three seeding times from March to May to evaluate whether early spring seeding allows anticipating the establishment of bermudagrass compared with late spring seeding which...

Journal of Agricultural Science and Technology B

Synthetic Communications, 1998

Functional Plant …, 2011

Physiological and morphological factors influencing leaf, rhizome and stolon tensile strength in C4 turfgrass species Filippo LulliA,D, Lorenzo GuglielminettiB, Nicola GrossiA, Roberto ArmeniC,Sara StefaniniB and Marco VolterraniA ... 0 2 4 6 8 10 12 14 16 18 20 G luco se (nm ...

Agronomy

The Midwestern U.S. landscape is one of the most highly altered and intensively managed ecosystems in the country. The predominant crops grown are maize (Zea mays L.) and soybean [Glycine max (L.) Merr]. They are typically grown as monocrops in a simple yearly rotation or with multiple years of maize (2 to 3) followed by a single year of soybean. This system is highly productive because the crops and management systems have been well adapted to the regional growing conditions through substantial public and private investment. Furthermore, markets and supporting infrastructure are highly developed for both crops. As maize and soybean production have intensified, a number of concerns have arisen due to the unintended environmental impacts on the ecosystem. Many areas across the Midwest are experiencing negative impacts on water quality, soil degradation, and increased flood risk due to changes in regional hydrology. The water quality impacts extend even further downstream. We propose ...

Use a turfgrass that is best adapted to its region or microclimate. Plant selection and adaptation are the most important factors in planning, planting, and main- taining a lawn for water conservation. A properly selected grass species or cultivar is more likely to thrive and need fewer inputs (e.g. water, fertilizer, pesticides, etc.). Selection and adaptation include the influence of

Agronomy, 2021

Agrosystems, Geosciences & Environment, 2019

Journal of Agronomy and Crop Science, 2018

International Journal of Horticulture

Crop Science

Crop Science, 2016

Bragantia, 2010

Objetivou-se com o trabalho avaliar a extração total de macronutrientes pela grama esmeralda em função de doses de lodo de esgoto. O experimento foi instalado em área comercial de produção de grama esmeralda, localizada na cidade de Itapetininga (SP). O delineamento experimental utilizado foi o de blocos ao acaso; em parcelas subdivididas, com quatro repetições, sendo as parcelas principais constituídas de cinco doses de lodo (0, 10, 20, 30 e 40 Mg ha-1, base seca), e as subparcelas com dois sistemas de manejo (com e sem o uso de escarificador utilizado para romper uma camada superficial compactada). As doses de lodo aplicadas correspondem às doses de 100, 200, 300 e 400 kg ha-1 de nitrogênio. O aumento das doses de lodo de esgoto promoveu maior remoção de nutrientes pela grama esmeralda. As doses mais elevadas de N fornecido com o lodo de esgoto promoveram excessivo crescimento da grama e a redução do sistema radicular. Doses intermediárias entre 20 e 30 Mg ha-1 foram mais interess...