Pollination deficit could cause low yields in cashew (Anacardium occidentale) and it is possible that deforestation surrounding plantations may prevent effective pollinators from visiting flowers contribute to this deficit. In the present work, we investigated proximity effect of small large forest fragments on abundance flower visits by feral Apis mellifera wild native their interactions with yield plantations. Cashew nut was highest when bordered a fragment were close fragment. Yield did...

The objective of this study was to evaluate eighteen genotypes safflower and their absorption macronutrients in an experiment conducted the western region state Paraná.The under humid subtropical climate on Typic Hapludox soil with very clayey texture.The treatments were carried out randomized blocks four replications.The following traits evaluated: shoot dry mass production, seed yield, macronutrient accumulation, oil production.Data submitted analysis variance means compared by Scott-Knott...

Due to the low natural availability of phosphorus (P) in tropical soils and plant’s need for P, use fertilizers increased efficiency is an important tool achieving high yields. The aims this study were evaluate plant growth, foliar P content yield soybean corn crops different seasons places response rates sources. sources monoammonium phosphate (MAP) Policote coated MAP (Policote+MAP). Field experiments carried out comparing performance compared (MAP+Policote), additive based on water...

ABSTRACT: Growth retardants, such as paclobutrazol, reduce plant height, and thus enable commercialization of larger ornamental plants in pots. The aim this research was to evaluate the size, yield flower quality two rose cultivars a function various paclobutrazol applications growing substrate. Treatments consisted (Yellow Terrazza® Shiny Terrazza®) planted plastic pots five doses (0, 0.5, 1.0, 1.5, 2.0mg pot-1). experiment carried out greenhouse. Experimental design randomized blocks with...

Spatial variability of chemical attributes in soils tends to increase under the no-tillage system.However, data regarding this system for a long time are scarce.This study aimed evaluate spatial phosphorus (P), organic matter (OM), pH, aluminum (Al), calcium (Ca), magnesium (Mg), potassium (K), base saturation (V%), sulfur (SO 4 2-), and micronutrients: boron (B), iron (Fe), copper (Cu), manganese (Mn), zinc (Zn) soil with conventional tillage treatments more than three decades order...

Smoking initiation is concentrated among young people which strongly influences future smoking prevalence. This study aimed to investigate the prevalence of and other tobacco product use potential determinants in a cross-sectional survey 1 121 students aged 13 15 years Dili, Timor-Leste. The ever using was 40.4% (males 55.5%; females 23.8%) current 32.2% 45.3%; 17.9%). In logistic multivariable regression, factors associated with any were being male, ≥US$1 weekly pocket money, parents...

Silicon applied to substrate for greenhouse cultivation of ornamental pot plants can improve the yield and quality product; however, possible anatomical physiological changes caused by Si have be assessed.Therefore, objective this study was evaluate gas exchange rates leaf anatomy sunflower 'Sunbright' grown on a amended with Si.The experiment conducted in greenhouse, treatments consisted cultivated pots containing 600 g fertilized at 0, 0.25, 0.50, 0.75, 1.00 kg -1 .The were arranged...

The aim of this work was to evaluate morphological and anatomical alterations in leaves ‘Yellow Terrazza’® ‘Red White pot roses sprayed with paclobutrazol (0, 40, 60, 80 mg L-1) daminozide 2000, 4000, 6000, 8000 L-1). experiments were conducted under greenhouse conditions using a factorial treatment design (cultivars x growth retardant doses) five replications experimental units arranged randomized blocks. Cv. Yellow Terrazza ® presented higher plants, greater floral diameter leaf area than...

An experiment was conducted at the Agronomic Institute of Paraná – IAPAR, Experimental Station municipality Santa Tereza do Oeste PR, in Hapludox clayey soil. Studies with use plants cover crops vigorous root system different systems soil management are needed, order to have a diversity species capable producing amounts crop residues which by decomposing, can alter physical attributes and consequently, productivity successor culture. The objective this study evaluate effect...

Most tropical soils have acidity issues.The amount of corrective treatment needed to neutralize such depends on the material and cultivated species.Thus, this study aimed evaluate soil neutralization by using calcium silicate (CaSiO 3 ), compared carbonate (CaCO effect increased silicon (Si) availability in with wheat.The treatments under analysis were: A) control (no application material); B) a P.A. ) dose 1.5 g kg -1 ; C) twice CaCO dose, i.e. 3.0 D) at doses 2.15 4.30 E) CaSiO for...

ABSTRACT: The production and quality of roses are influenced by fertilization management. aim this experiment was to evaluate the effects doses iron (Fe) in potted rose bushes ( Rosa hybrida ). Treatments were based on five Fe (0, 1, 3, 5 15mg kg-1) applied substrate, a randomized block design with four replications. Seedlings presented two pairs leaves individually transplanted into plastic pots (0.8dm3) containing commercial substrate. Each experimental plot consisted vase plant flower...

Brazil’s production of common bean is insufficient to supply the domestic market. Factors such as plant density, cultivar, growing season, and nutrient uptake affect yield, suggesting need for more studies optimize production. The objective this work was evaluate effect density on seed yield components two cultivars grown in different seasons. Field experiments were carried out at IAPAR experimental site Santa Tereza do Oeste, Paraná, Brazil wet dry season using five...

No desporto atual cada vez mais se valoriza a vitória diminuindo importância atribuída à simples participação desportiva. Com o objetivo da todo custo, muitos são os atletas que apresentam grande prontidão para treinar e competir com dor lesão. A maioria dos estudos abordando problemática lesão tem-se centrado nas experiências vivências de do gênero masculino, pressões atuam sobre esses atletas, levando-os sujeitarem seus corpos entanto, este fenômeno não é estranho às mulheres atletas....

Cultivos realizados no sistema de plantio convencional afetam negativamente a estrutura dos solos. Considerando o crescimento da populacao mundial, e necessario que producao agricola seja cada vez maior, visando satisfazer nossas necessidades alimentares. Assim, manutencao qualidade solos torna-se um principio fundamental. Em virtude pressao exercida nos pela agricultura em grande escala, uma alternativa recuperacao quimica, fisica biologica destes adocao do direto com rotacao culturas,...

ABSTRACT Gladiolus is an important cut flower commercialized in Brazil, and the use of gibberellic acid (GA3) to cultivate it a protected environment may promote production high quality spikes. This study aimed at evaluating spikes corms gladiolus ('White Friendship' cultivar) submitted concentrations application methods acid, environment. The experimental design was randomized blocks, 2 x 4 factorial arrangement, being two (foliar spraying corm soaking) four (0 mg L-1, 250 500 L-1 1,000...

The objective of this work was to evaluate the effects various Si sources currently used in studies doses nutrient solutions on dry matter yield and accumulation nutrients rice plants. Treatments plants with three (monossilicic acid, sodium metasilicate, potassium metasilicate) a treatment without were allocated randomized block design ten replications. After 39 days solution, following traits evaluated: leaf area, specific mass, roots shoots, levels K, Na, leaves roots. increased shoots...

Com calagem objetiva-se aumentar o pH, elevar os teores de Ca, Mg, saturacao por bases e neutralizar Al toxico. O calcario material corretivo mais utilizado na agricultura. Existem produtos vendidos como solo, mas nao sao registrados tal. Este trabalho foi realizado durante meses maio a setembro 2016 em condicoes laboratoriais teve objetivo avaliar diferentes sobre atributos quimicos do solo. Os tratamentos foram, convencional, conchas, liquido, carbonato calcio p.a. testemunha. delineamento...

ABSTRACT The nutrients contained in the liquid pig slurry (PS) make this residue a potential organic fertilizer for cultivation of tree species production wood, which can promote circular economy. This research aimed to evaluate soil chemical parameters, nutritional status, and development hybrid eucalyptus clone urograndis from PS application three consecutive years. treatments evaluated were without fertilization (C); mineral (NPK) – 300 kg ha-1 year1 02-30-10 formulation; fertigation with...

In commercial production of potted ornamental plants, the substrate is one main inputs responsible for plant quality and good acceptance by market.In this article, we present potential waste coconut fiber (CF) carbonized rice husks (CRH) as alternative low-cost growing media cultivation.Nine substrates were formulated to produce Catharanthus roseus Zinnia elegans.The following traits analyzed: pH, electrical conductivity, water retention capacity, total porosity, dry density, scanning...