|
|
|
| Registros recuperados: 413 | |
|
|
| Pinheiro Neto, Raimundo; UEM; Braccini, Alessandro de Lucca e; UEM; Scapim, Carlos Alberto; UEM; Bortolotto, Virindiana Colet; UEM; Pinheiro, Andréia Cristina; UEM. |
| O objetivo deste trabalho foi avaliar o desempenho de duas semeadoras-adubadoras oferecidas comercialmente para plantio direto. Os ensaios foram realizados no Sítio Cazarotto, localizado no Distrito de Iguatemi, município de Maringá-Paraná, em Latossolo Vermelho Distrófico onde foram montados dois experimentos. No primeiro, foi utilizada uma semeadora-adubadora com mecanismo dosador do tipo disco horizontal e, o segundo, uma semeadora-adubadora com mecanismo do tipo pneumático. Utilizou-se delineamento de blocos ao acaso em arranjo de parcelas subdivididas com quatro repetições. Os tratamentos principais eram condições de cobertura do solo (vegetação espontânea, aveia dessecada e aveia dessecada + rolada) e os secundários as velocidades de deslocamento... |
|
Palavras-chave: 5.03.00.00-8 Engenharia Agrícola população de plantas; Distribuição longitudinal; Produtividade; Soja (Glycine max L.) plants population; Longitudinal distribution; Yield; Soybean (Glycine max L.). |
| Ano: 2008 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/5960 |
| |
|
|
| Machado, Carla Gomes; UNESP; Martins, Cibele Chalita; UNESP; Silva, Libia Belisario da; UNESP; Cruz, Simério Carlos Silva; UNESP. |
| Para avaliar a produção e características físicas de sementes de mamoneira, em função da posição do racemo e do fruto, foi conduzido um trabalho, em condições de campo, em Nitossolo Vermelho Estruturado, no município de Botucatu, Estado de São Paulo. Utilizou-se a cultivar AL Guarany 2002, a qual teve seus três primeiros racemos colhidos e subdividos em três terços, os quais constituíram os tratamentos. Para avaliação das características físicas dos racemos e frutos, foi determinado o comprimento dos racemos, o número de frutos por racemo, a dimensão dos frutos, o peso dos frutos e o número de sementes por fruto. Para avaliação das características físicas das sementes, foi determinado o teor de água, o tamanho e a massa de 1.000, além de avaliação da... |
|
Palavras-chave: 5.01.00.00-9 Agronomia Ricinus communis L.; Posição da inflorescência; Oleaginosa; Produtividade Ricinus communis L.; Inflorescence position; Oil crop; Yield. |
| Ano: 2009 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/7038 |
| |
|
| |
|
|
| Turini, Caio Silva; Universidade Federal de Santa Catarina; Sühnel, Simone; Universidade Federal de Santa Catarina; Lagreze-Squella, Francisco José; Universidade Federal de Santa Catarina; Ferreira, Jaime Fernando; Universidade Federal de Santa Catarina; Melo, Claudio Manoel Rodrigues de; Universidade Federal de Santa Catarina. |
| This study evaluated the effects of larval densities, cultured in flow-through system, in the yield and quantity of larvae. The first experiment compared the larval yield of a flowthrough system (80 larvae mL-1) and a batch system (8 larvae mL-1), which resulted in a higher yield and number of larvae in the flowthrough system, after 23 days. The second experiment compared two larval densities (20 and 45 larvae mL-1) in flowthrough system. The densities affected the yield after 15 and 23 days and the larvae final quantity after all tested times (8, 15, and 23 days). After 23 days of larviculture, the yield was highest for 20 larvae mL-1 and the larval number for 45 larvae mL-1. The third experiment also compared two larval densities (100 and 150 larvae... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: 5.06.03.00-0 bivalve mollusc; Yield; Larviculture; Density. |
| Ano: 2014 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/23685 |
| |
|
|
| Alves, Evanilton Moura; Instituto Federal Baiano; Pedreira, Márcio dos Santos; Universidade Estadual do Sudoeste da Bahia; Moreira, Beatriz Silva; Universidade Estadual do Sudoeste da Bahia; Freire, Leile Daiane Ribeiro; Universidade Estadual do Sudoeste da Bahia; Lima, Thiago Ramos; Universidade Estadual do Sudoeste da Bahia; Santos-Cruz, Cristiane Leal dos; Universidade Estadual do Sudoeste da Bahia. |
| This study aimed to evaluate the effects of adding slow-release urea to replace conventional urea in the diet on carcass characteristics of feedlot sheep. We used 20 Santa Ines x SRD rams, with average body weight of 21.1±1.2 kgand average age of 120 days, distributed in a completely randomized design with 5 treatments. The replacement levels used as treatments were 0, 20, 40, 60, and 80%, composing diets of about 12% crude protein, with 50 % Tifton-85 hay and 50% concentrate. There was no influence of slow release urea on weight at slaughter (35.17 kg), and on hot (16.75 kg) and cold (16.24 kg) carcass weight, but the yield of these carcasses showed quadratic trend, revealing lower percentages at 48.5 and 47.63% replacement levels, respectively. The... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ciências Agrárias; Produção Animal meat cuts; Non-protein nitrogen; Nutrition; Small ruminants; Yield. |
| Ano: 2014 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/21379 |
| |
|
|
| Maria, Bruno Giovany; Universidade Estadual de Maringá; Scapinello, Cláudio; Universidade Estadual de Maringá; Oliveira, Andréia Fróes Galuci; Universidade Estadual de Maringá; Monteiro, Ana Carolina; Universidade Estadual de Maringá; Catelan, Fernanda; Universidade Estadual de Maringá; Figueira, Josianny Limeira; Universidade Estadual de Maringá. |
| Several experiments were conducted to determine the digestibility of dehydrated citrus pulp (DCP) and evaluate its effect on rabbit feed. Digestibility assay comprised 30 rabbits fed on two diets: a reference diet and a diet in which 20% consisted of DCP. The digestibility assay comprised 10 days for adaptation and four days for feces collection. The digestibility coefficient and digestible nutrient rates for DM, CP, NDF, ADF, and CE of DCP were respectively 83.75 and 76.04%; 70.12 and 5.03%; 40.14 and 9.52%; 68.98 and 15.09%; and 81.48% and 3394 kcalDE kg-1 DM. Performance assay consisted of 120 growing rabbits receiving diets with six DCP levels (0, 20, 40, 60, 80 and 100%) to replace corn. Linear decrease (p < 0.01) in daily feed intake and... |
| Tipo: Ensaio de digestibilidade; análise laboratorial; análise de desempenho |
Palavras-chave: 5.04.05.00-4 carcaça; Rendimento; Nutriente; Fibra digestível; Pectina carcass; Yield; Nutrient; Digestible fiber; Pectin. |
| Ano: 2013 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/12359 |
| |
|
|
| Coelho, Anderson Alan da Cruz; Instituto Federal do Ceará; Barros, Mário Ubirajara Gonçalves; Universidade Federal do Ceará; Bezerra, João Henrique Cavalcante; Universidade Federal do Ceará; Silva, José William Alves da; Universidade Federal do Ceará; Moreira, Ricardo Lafaiete; Universidade Federal do Ceará; Farias, Wladimir Ronald Lobo; Universidade Federal do Ceará. |
| This study aimed to evaluate the effect of nutrient depletion during the cultivation of the microalgae Tetraselmis tetrathele, and to verify the algal growth and productivity in different culture media (Guillard f/2 and Conway). The experiment was conducted in nine-liter containers, with working volume of eight liters, salinity 35 ± 2‰, temperature 28 ± 1°C, with constant light and aeration, around 200 μE cm-2 s-1 and 3 L air min.-1. Results showed that microalgae development caused nutrient depletion, since we observed an inversely proportional relationship between nitrate concentration and algal biomass during the cultivation. Regarding the culture media, a higher algal productivity was observed in the cultivation developed in Conway medium (p <... |
| Tipo: Estudos morfológicos |
Palavras-chave: Ciências Agrárias; Recursos Pesqueiros e Engenharia de Pesca algal concentration; Yield; Nutrients Biologia Geral. |
| Ano: 2013 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/13971 |
| |
|
|
| De Grazia,Javier; Tittonell,Pablo Adrián; Salvador Perniola,Omar; Caruso,Ariel; Chiesa,Angel. |
| The advantages of transplanting with respect to direct sowing has been widely reported in several vegetable species, but there are few studies in Cucurbits, and even fewer in summer squash (Cucurbita maxima (Carr.) Millán var. zapallito). Morphological and physiological characteristics of hybrid varieties determine earliness of between 5 to 10 days compared to traditional cultivars. The aim of the study was to compare the summer squash setting systems, direct sowing and nursery seedlings, and to determine their effect on yield and earliness in different genotypes. The hybrid varieties F1 Angelo and Espejo, and the standard varieties Any and Any Plus were used combined with two setting systems (direct sowing and nursery seedlings). Male and female flowering... |
| Tipo: Journal article |
Palavras-chave: Transplant; Direct sowing; Hybrid; Variety; Yield. |
| Ano: 2005 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0365-28072005000200002 |
| |
|
|
| González A,María Inés. |
| A trial was established using three month old asparagus (Asparagus officinalis L.) plants in a volcanic soil at Chillán (36°32 S; 71°55 W). Experimental design was randomized complete blocks with four replicates. Plots had four 6m long rows of plants. Distance between rows was 1.5 m and in-row 0.2 m. The evaluated cultivars were: Atlas, Grande and Apollo from Asparagus Seeds and Transplants (California), Jersey Giant, Jersey Gem, Jersey General, Jersey King, Jersey Knight and Jersey Supreme from Jersey Asparagus Farms (New Jersey), and the controls were UC-157 F1 and F2. Spears were trimmed 18 cm long after harvest. The highest cumulative marketable yield was obtained by Jersey Supreme (43 Mg ha-1 in five years), and the lowest one... |
| Tipo: Journal article |
Palavras-chave: Cultivar; Number of spears; Quality; Yield. |
| Ano: 2007 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0365-28072007000300001 |
| |
|
|
| Odey, Simon Ogbeche. |
| Abstract: Field experiment was conducted at the teaching and research farm of Cross River University of Technology, Faculty of Agriculture and Forestry, Obubra Campus. The study was aimed at finite modelling of growth and yield of Okra (Abelmoschus esculentus L.) using different tillage systems. Randomised Complete Block Design (RCBD) was used in the field, 1,024m2 with three treatments and three replicates. These treatments were Conventional, Conservative and Zero tillage. Each treatment had three replicates of size 8m x 8m, separated from each other by 2m for manoeuvring of the tractor. Planting of okra and other cultural practices were carried out. Soil samples were collected for analysis in the laboratory. Data on growth parameters and yield of okra... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Finite; Modelling; Growth; Yield; Okra; Tillage Systems; Soil. |
| Ano: 2022 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/7067 |
| |
|
| |
|
|
| Hedayatypour, Abolfazl; Goodarzi, Mustafa; Mostafavirad, Marefat. |
| In many agricultural systems around the world, competition of weeds is one of the major factors reducing crop yield. This research was carried out to study the performance of mechanical methods for weed control, mechanical damage, yield and yield components of three bean genotypes in 2012 and 2013 cropping seasons. The experiment carried out as split plot arrangement based on complete block design with three replications in Agricultural and Natural Resources Research and Education Center in Markazi Province, Iran, Arak. The experimental treatments were comprised of three bean lines and varieties including Sadri, KS-21189 and COS16 as main plots and four mechanical methods of weeds control including: sweep type weeder, rotary type weeder, rolling... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agronomic traits; Bean; Weeds; Weeding performance; Weeding machines; Yield. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6067 |
| |
|
|
| Azadbakht, Mohsen; Ghajarjazi, Ehsan; Kiapei, Ali; Jafari, Hassan; Salehi, Ebrahim; Pishgar, Reza. |
| Tobacco is one of the important agricultural and industrial products which plays a crucial role in economics and income of the producing countries and tobacco’s leaves are actually used commercially. In this study, the effects of two tobacco varieties K326 and 347 in three plant spacing of 30, 40, and 50 cm (with density of 33333, 25000 and 20000 plants/ha) on physical properties and weight of tobacco leaves are discussed. The results of variance analysis showed that the ¬¬¬effects of variety and plant spacing on leaf surface in 5% level were significant. Interaction effect of these two factors wasn’t significant. Also results showed that independent and interaction effects of plant spacing and different varieties of tobacco on leaf weight were significant... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Tobacco; Plant spacing; Leaf; Weight; Yield. |
| Ano: 2016 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3646 |
| |
|
|
| BAKO, TANKO; MAMAI, EZEKIEL AMBO; ISTIFANUS, AKILA BARDEY. |
| The application of organic fertilizer to the soil is considered as good agricultural practice because it improves the fertility of the soil and plant quality. The aim of the study was to produce compost tea using poultry droppings, cow dungs and water leaf (Talinum triangulare) in a ratio 5:5:1 and evaluate its effects on soil properties, growth and yield of Amaranthus hybridus. The study was carried out in Jalingo, Taraba State, North-Eastern Nigeria in July, 2019. The experimental variables include control (no treatment), 1 kg of compost per 10 L of water compost tea, 1 kg of compost per 20 L of water compost tea, 1 kg of compost per 30 L of water compost tea, 500 kg ha-1solid compost and 500kg ha-1 NPK fertilizer. The treatment combinations were done in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Growth; Yield; Plants; Organic; Fertilizer. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6941 |
| |
|
| |
|
| |
|
|
| Zangeneh, Morteza; Banaeian, Narges. |
| For determination and assessing the effect of agricultural mechanization in irrigated corn of Iran, two indicators have been used: cultivated area (ha) and yield (kg/ha). Several regression models have been built, using Mechanization Level (ML) and Mechanization Ownership (MO) of all agricultural operations, as input, and cultivated area and yield as output, separately. The survey was carried out by means of data obtained from Agricultural Ministry of Iran in the period of 2001-2008. The results revealed that mechanization ownership of planting and harvesting have a significant effect on cultivated area of corn in Iran with 95% and 99% confidence, respectively. Based on obtained results, agricultural mechanization has an important role in improvement... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Yield; Regression model; Mechanization.. |
| Ano: 2014 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2007 |
| |
|
|
| Dawood, Mona Gergis. |
| Two field experiments were conducted in two successive seasons, 2015 and 2016, at the experimental farm of the National Research Centre at Nubaria, Egypt, during summer seasons to determine weed management can improve soybean competitiveness with weeds, thus helping to achieve its yield potential. The experiment included three soybean cultivars ( Giza 111, Giza 21 and Crawford) and six weed control treatments, including oxadiargyl, butralin, metribuzin, bentazone + clethodium, two hand and a nonweeded treatment (control). Great reduction in dry weight of broadleaved, grassy and total weeds after 60 and 90 days from sowing was noticed in the plots cultivated with Giza 111 cultivars. Also, Giza 111 cultivars markedly produced greater plant height, SPAD, NAR,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Herbicides; Two hand hoeing; Growth; Yield; Oil percentage.. |
| Ano: 2018 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4438 |
| |
|
|
| Azadbakht, Mohsen; Hosaini, Rahim; Ghorbani, Mohammad Hosain; aldarwish, zuhair. |
| The Azivash plant was cultivated at densities of 20, 27, 40 and 80 m-2 and three irrigation intervals of 6, 12 and 18 days with three replications using a randomized complete block design. Cultivation was considered in a row and row spacing of 25 cm was used. Plant spacing on the row was respectively 5, 10, 15 and 20 cm. At harvesting time when the plant height was about 50 cm, the components of plant height (cm), number of leaves per plant (number), new plant amount of yield (kg ha-1), number of branches per plant (number), leaf area index (leaf area), fresh weight of leaves and stems (kg ha-1), dry weight of leaves and stems, and total dry matter per hectare (kg ha-1) were determined. The results showed that both components of the irrigation and plant... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Azivash; Yield; Plant growth; Plant density; Irrigation regime. |
| Ano: 2015 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3454 |
| |
|
| |
| Registros recuperados: 413 | |
|
|
|
