AGRONOMIC PERFORMANCE OF CONTENDER AND AMARELO JAPONÊS CULTIVARS UNDER DIFFERENT WATER REPLACEMENTS

ABSTRACT The use of cultivars appropriate to the soil and climate characteristics of a region provides farmers with security by facilitating credit for crop financing and improving product prices in local commerce. The objective of this work was to evaluate the agronomic performance of “Contender” and “Amarelo Japonês” green bean bush cultivars grown in the Cerrado in terms of water replenishment (RH) of 25, 50, 75, 100, and 125% of evaporation using the Piché evaporimeter. The experiment was carried out in the experimental area of the State University of Goiás, on the Ipameri Campus. The experimental design was a randomized block design. Sowing was done in May 2017, with treatments distributed in a split-plots scheme with water replenishment in plots and cultivar subplots with 3 replications. The analyzed variables were: height; stem diameter; leaf number; leaf area; number of inflorescences; number of flowers; fresh and dry mass of the plant; number, length, diameter, fresh and dry mass of the pods. The different water replenishment rates increased the mean plant height, stem diameter, number of pods per plant, number of bean seeds per pod, and number of bean seeds per plant in the cultivars “Amarelo Japonês” and “Contender.” Water replenishment of 125% produced higher development and better agronomic performance in the two cultivars than the other rates.

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No-tillage curly lettuce cultivated under different spacings

Revista Brasileira de Engenharia Agrícola e Ambiental ◽

10.1590/1807-1929/agriambi.v24n4p231-237 ◽

2020 ◽

Vol 24 (4) ◽

pp. 231-237

Author(s):

Antonio M. Cecconello ◽

Emerson Trogello ◽

Jolcemar Ferro ◽

Otavio B. Rossato

Keyword(s):

Soil Temperature ◽

Cultural Practices ◽

Block Design ◽

Dry Mass ◽

Agronomic Performance ◽

No Tillage ◽

The West ◽

Randomized Block Design ◽

Fresh And Dry Mass ◽

Lettuce Cultivar

ABSTRACT The use of appropriate cultural practices is important for the sustainability of the production system. This study aims to evaluate the agronomic performance of lettuce cultivar ‘Mônica’, during two crop cycles, at the Instituto Federal Catarinense, Campus of Concórdia, SC, Brazil. Two experiments were conducted in the field, arranged in randomized block design, in a 3 x 2 factorial scheme, evaluating the effects of three spacings (0.20 × 0.20, 0.25 × 0.25 and 0.30 × 0.30 m), associated with two planting systems (conventional and no-tillage with millet), with four repetitions in the first cycle and five in the second. At 39 and 44 days after transplanting, six plants were harvested in the first and in the second cycles, respectively. Soil temperature, fresh and dry mass of the spontaneous plants, dry mass of roots, plant diameter, number of marketable leaves, fresh and dry mass of the plants were evaluated. Lettuce cultivated under no-tillage at larger spacings resulted in higher yield per plant, but higher yield per area was observed at smaller spacing. No-tillage reduced spontaneous plants and soil temperature in the West of Santa Catarina.

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Tifton 85 grass responses to different nitrogen levels and cutting intervals

Semina Ciências Agrárias ◽

10.5433/1679-0359.2016v37n4p2067 ◽

2016 ◽

Vol 37 (4) ◽

pp. 2067 ◽

Cited By ~ 1

Author(s):

Loreno Egidio Taffarel ◽

Eduardo Eustáquio Mesquita ◽

Deise Dalazen Castagnara ◽

Sandra Galbeiro ◽

Patrícia Barcellos Costa ◽

...

Keyword(s):

Block Design ◽

Dry Mass ◽

N Fertilization ◽

Stem Length ◽

Mineral Matter ◽

State University ◽

Plant Structure ◽

Nitrogen Levels ◽

Randomized Block Design ◽

Nutritional Characteristics

The objective of this study was to evaluate the influence of five levels of N and two regrowth intervals on the structural, productive, and nutritional characteristics of Tifton 85 grass (Cynodon spp). The experiment was conducted in a hay production field at the State University of West Paraná, planted in 2004 with Cynodon spp. cv. Tifton 85. The experiment was established in a randomized block design with factorial treatments of five N fertilization amounts (0, 25, 50, 75 and 100 kg ha-1 cut-1) applied as urea after each cut, and two regrowth intervals (28 and 35 d), with four replicates. N application promoted changes in plant structure, such as increased canopy height, stem length, leaf elongation rate, and dry mass (DM) production. The greatest N use efficiency, considering the four harvests, occurred in the plot with 25 kg N ha-1 cut-1 at the 35-d interval, with a production of 13.79 kg DM kg-1 of N applied. A nutritional analysis indicated that 100 kg ha-1 of N cut-1 promoted higher crude protein (CP) at 28 d, with the highest concentration observed in the fourth cut (208.2 g kg-1 DM) and the lowest in the second cut (140.12 g kg-1 DM). The content average in the four cuts for CP and LIG at 28 days of regrowth was 175.85 and 104.33 kg-1 g MS and at 35 days of regrowth interval was of 164.45 and 118.65 g kg-1 DM, respectively. No differences were found between regrowth intervals in the contents of mineral matter and acid detergent fiber (ADF). Environmental factors including the wide variation in precipitation (greater than 200 mm between the peak in December 2010 and the lowest in March 2011) greatly influenced Tifton 85 grass production, affecting DM and the nutritional value of the forage in each cut.

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Growth promotion of Guinea grass by diazotrophic bacteria1

Pesquisa Agropecuária Tropical ◽

10.1590/1983-40632019v4956732 ◽

2019 ◽

Vol 49 ◽

Author(s):

Konrad Passos Silva ◽

Gian Otávio Alves Silva ◽

Tayla Évellin Oliveira ◽

Adauton Vilela Rezende ◽

Ligiane Aparecida Florentino

Keyword(s):

Growth Promotion ◽

Block Design ◽

Dry Mass ◽

Stem Diameter ◽

Panicum Maximum ◽

Diazotrophic Bacteria ◽

Bacterial Strains ◽

Randomized Block Design ◽

Nitrogen Inputs ◽

Guinea Grass

ABSTRACT The Panicum maximum species (cv. Mombaça) is a forage plant well adapted to the different edaphoclimatic conditions found in Brazil; however, it requires high nitrogen fertilizer doses to ensure high yields. The present study aimed to assess the inoculation effect with associative diazotrophic bacteria strains on the yield and bromatological characteristics of the Guinea grass. A randomized block design was used, consisting of 25 treatments, being 23 of them inoculated with diazotrophic bacteria and two without inoculation (one with and the other without mineral nitrogen), with four repetitions. The analyzed variables were stem diameter; leaf width and length; leaf, stem and root dry mass yield; crude protein; acid and neutral detergent fibers. There were no differences among the treatments for root dry mass, stem diameter and acid detergent fiber. For the remaining variables, a positive effect of the inoculation with diazotrophic bacteria was observed, particularly for the following Unifenas strains: 100-06, 100-13, 100-26, 100-30, 10-35, 100-54, 100-69, 100-71 and 100-94. This reveals the potential of these bacterial strains for use at the sustainable production of the Guinea grass with a reduction in the use of nitrogen inputs.

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Chicken Manure and Phosphorus Influence on Biomass Production and Chemical Composition of the Essential Oil of Ocimum kilimandscharicum

Journal of Agricultural Science ◽

10.5539/jas.v12n10p77 ◽

2020 ◽

Vol 12 (10) ◽

pp. 77

Author(s):

Vânia Tomazelli de Lima ◽

Maria do Carmo Vieira ◽

Anelise Samara Nazari Formagio ◽

Néstor Antonio Heredia Zárate ◽

Claudia Andrea Lima Cardoso ◽

...

Keyword(s):

Chemical Composition ◽

Experimental Design ◽

Essential Oil ◽

Biomass Production ◽

Mass Production ◽

Block Design ◽

Dry Mass ◽

Chicken Manure ◽

Randomized Complete Block Design ◽

Fresh And Dry Mass

The effects of soil incorporation of five rates of semi-decomposed chicken manure (0, 5, 10, 15 and 20 t ha-1), with and without the addition of phosphorus (200 kg P2O5 ha-1) on biomass production and chemical composition of the essential oil from leaves of African blue basil were evaluated. The experimental design was a randomized complete block design in a 5 × 2 factorial scheme, with four replicates. The first cut of plants was performed at 70 days after transplanting (DAT) and the second at 140 DAT. The addition of 20 t ha-1 of chicken manure to the soil induced increase in plants height, fresh and dry mass production and yield of essential oil. The use of chicken manure induced an increase in camphor content and decreased content of 1,8 cineole. After regrowth, biomass production of African blue basil was higher when compared to the first cut.

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Waste management of pseudostem to increase the growth of banana seedlings

Acta Agronómica ◽

10.15446/acag.v69n3.84274 ◽

2021 ◽

Vol 69 (3) ◽

Author(s):

Juliana Domingues Lima ◽

Natália de Souza Bravo ◽

Danilo Eduardo Rozane ◽

Edson Suigueaki Nomura ◽

Silvia Helena Modenese Gorla da Silva ◽

...

Keyword(s):

Dry Matter ◽

Block Design ◽

Nutrient Content ◽

Dry Mass ◽

Nutritional Composition ◽

State University ◽

Paulo State ◽

Root Area ◽

Randomized Block Design ◽

Water Nutrients

Pseudostem is an abundant residue after harvesting of the banana bunch, serving as a source of water, nutrients and organic substances. The present study aimed to evaluate the effect of pseudostem waste on ‘Nanica’ banana (Musa spp. AAA) cultivar in greenhouse under contrasting environmental conditions. For this, an experiment was carried out in in the São Paulo State University -UNESP in a randomized block design in a 2 x 2 factorial scheme (presence or absence of waste and two seasons), consisting of four replicates of three experimental plots with two pots per plant. One season was early November/2018 (Summer) and the other half of May/2019 (Winter). A 40 cm portion of the pseudostem collected from of a freshly harvested plant was sectioned into 10 cm portions and placed under the substrate of the seedling-containing pot at both times. Periodically, height, pseudostem diameter and leaf emission were evaluated. After the release of leachate by the residue, plants were taken to the laboratory, and the area of leaves and roots, their respective masses, and the leaf nutrient content were determined. The nutritional composition of the residue was evaluated before being applied for both seasons. In summer, accumulated dry matter in the different organs, leaf area and root area was higher in the presence of the residue, while in winter, only root dry mass was higher (P < 0.01). The application of residue had a consistent effect on root growth, which can be exploited in the field.

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Organic cabbage growth using green manure in pre-cultivation and organic top dressing fertilization

Horticultura Brasileira ◽

10.1590/s0102-053620180415 ◽

2018 ◽

Vol 36 (4) ◽

pp. 515-520

Author(s):

Ana Amélia S Cordeiro ◽

Marinete B Rodrigues ◽

Murilo Gonçalves Júnior ◽

José Antônio A Espíndola ◽

Ednaldo da S Araújo ◽

...

Keyword(s):

Green Manure ◽

Block Design ◽

Dry Mass ◽

Agronomic Performance ◽

Maize Population ◽

Maize Populations ◽

Randomized Block Design ◽

Corn Productivity ◽

Shoot Mass ◽

Organic Compost

ABSTRACT The experiment was conducted in (Integrated Agroecological Production System in Seropedica-RJ) Sistema Integrado de Produção Agroecológica (SIPA), Seropédica-RJ, to evaluate the effect of two maize populations in relation to baby corn productivity and shoot mass, to determine the contribution of pre-cultivated maize, green velvet and organic topdressing fertilization in the agronomic performance of cabbage (Brassica oleracea var. capitata). The experimental design consisted of randomized blocks with three treatments (maize population of 100,000 and 200,000 plants ha-1 and green velvet at 100,000 plants ha-1) and eight replicates. After that, cabbage was transplanted in the straw of these species, adopting a randomized block design allocated in split plots, totalizing six treatments, being three pre-cultivation practices and two organic topdressing fertilization doses (with or without 50 g fermented organic compost per planting hole). Considering “baby corn” productivity, no differences were observed compared to maize populations, with an average productivity of 822.5 kg ha-1. Green velvet pre-cultivation obtained the highest shoot dry mass (8.4 t ha-1). Cabbage crop was improved by green velvet pre-cultivation, reaching 60.7 t ha-1 and organic topdressing fertilization, reaching 60.4 t ha-1; however, in the presence of green velvet straw, topdressing fertilization did not promote additional yield benefit of this crop. Thus, we noticed that green manure using green velvet increased cabbage productivity, submitted to organic management, when compared to maize pre-cultivation, making it able to replace organic topdressing fertilization.

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Genetic variability and agronomic performance studies in chilli (Capsicum annum L.)

SAARC Journal of Agriculture ◽

10.3329/sja.v14i2.31245 ◽

2017 ◽

Vol 14 (2) ◽

pp. 56-62

Author(s):

D Kannan ◽

DK Singh ◽

SK Singh ◽

A Palanisamy

Keyword(s):

Genetic Variability ◽

Performance Studies ◽

Coefficient Of Variation ◽

Block Design ◽

Stem Diameter ◽

Agronomic Performance ◽

Genetic Advance ◽

Plant Weight ◽

Capsicum Annum ◽

Randomized Block Design

Eight diverse genotypes of chilli were evaluated an open field study to evaluate the genetic variability, heritability and genetic advance in randomized block design (RBD) with three replications during Kharif, 2015-16. Analysis of variance revealed significant differences among the genotypes for all the characters studied. The higher estimates of genotypic coefficient of variation (GCV) were observed for flowers per branch (21.59%), clusters per plant (19.26%), flower per branch (16.93%) and stem diameter (15.49%). While the higher estimates of phenotypic coefficient of variation (PCV) were found for flowers per branch (26.70%), fruits per branch (24.44%), clusters per plant (24.04%) and stem diameter (19.26%). The higher estimates of broad sense heritability along with genetic advance recorded for flowers per branch (65%), fruits per plant (64%), cluster per plant (64%), stem diameter (65%), plant weight (59%) and days to 50% flowering (50%) indicated the scope for improvement of these characters through selection.SAARC J. Agri., 14(2): 56-62 (2016)

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Growth and productivity of tomato under use of biostimulant and ages of seedling transplantation

Colloquium Agrariae ◽

10.5747/ca.2021.v17.n4.a446 ◽

2021 ◽

Vol 17 (4) ◽

pp. 23-33

Author(s):

Talles Victor Silva ◽

Hyrandir Cabral Melo ◽

Luiz Fernandes Cardoso Campos ◽

Monita Fiori de Abreu Tarazi ◽

Luis Carlos Cunha Junior ◽

...

Keyword(s):

Block Design ◽

Morphological Characteristics ◽

Dry Mass ◽

Fruit Yield ◽

Stem Diameter ◽

Tomato Crop ◽

Tomato Seedlings ◽

Randomized Block Design ◽

Seedling Length ◽

Fruit Mass

The age of the seedlings in the transplant, as well as the use of biostimulants in their production, are factors that can influence the good quality of the seedlings, which is fundamental for the good development of the plant, and can affect the yield of the tomato crop. The objective of this study was to evaluate plant development and fruit yield according to the age of tomato seedlings, during transplantation, whether or not treated with the Stimulate® biostimulant. The hybrid H9553 was used, and the experiment was conducted in a randomized block design, with four replications, and ten plants were evaluated, per plot. The factorial scheme 2 x 6 was adopted, where 2 corresponds to the use or not of Stimulate®, and 6 corresponds to the age of the seedlings, in the transplant. Before transplantation, the height of the seedling, length of the root, stem diameter, number of leaves, fresh and dry mass of the aerial part and the root were evaluated at 20, 30, 40, 50, 60 and 70 days after sowing. At 78 days after transplantation, the length of the main stem, stem diameter, number of fruits per plant, total fruit mass per plant and average fruit mass were evaluated. Seedlings with seventy days show superior results for the morphological characteristics, however, this does not interfere in the yield of the culture. The use of Stimulate®, alone or in interaction with the age of the seedlings, does not influence plant growth or fruit yield.

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Malpighia emaginata D.C. Growth in Several Substrates and Salt Waters

Journal of Agricultural Science ◽

10.5539/jas.v10n8p352 ◽

2018 ◽

Vol 10 (8) ◽

pp. 352

Author(s):

Jackson Silva Nóbrega ◽

Ivando Comandante Macedo Silva ◽

Israel Almeida Da Silva ◽

Reginaldo Gomes Nobre ◽

Francisco Romário Andrade Figueiredo ◽

...

Keyword(s):

Organic Compounds ◽

Block Design ◽

Fruit Trees ◽

Dry Mass ◽

Cattle Manure ◽

Stem Diameter ◽

Adverse Conditions ◽

Randomized Block Design ◽

Irrigation Water Salinity ◽

Salt Waters

The acerola tree is one of the most promising fruit trees of the Brazilian fruit sector, demanding the development of studies that indicate the proper conditions to improve its production under adverse conditions. Consequently, our purpose was to evaluate the growth of Malpighia emaginata D.C in several substrates and under ascending levels of irrigation water salinity. The experiment was conducted in a 4 × 5 factorial scheme randomized block design, which comprised four substrates (S1 = soil; S2 = soil with a 10% addition of cattle manure; S3 = soil with a 10% addition of organic compounds; and S4 - soil with a 5% addition of cattle manure and a 5% addition of organic compounds) and five CEa salt levels (0.3, 1.0, 1.7, 2.7, and 3.5 dS m-1). The plant height and stem diameter variables were not affected by the studied factors. The interaction between salinity and the substrates affected the root growth and the build-up of the plants’ fresh and dry biomass, resulting in the increase of the values obtained by the substrates containing manure and organic compounds. The seedlings’ quality, represented by the height/stem diameter and aerial part/root dry mass ratios, and by the Dickson quality index, indicated that the plants produced in the substrates 2 and 3 were more vigorous.

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Tanggap Pertumbuhan Tanaman Biwa terhadap Berbagai Perbandingan Dosis Pupuk N, P, dan K

Jurnal Hortikultura ◽

10.21082/jhort.v21n1.2011.p1-13 ◽

2016 ◽

Vol 21 (1) ◽

pp. 1 ◽

Cited By ~ 1

Author(s):

Fritz H Silalahi ◽

Agustina E Marpaung ◽

Rariska Tarigan

Keyword(s):

Interaction Effect ◽

Significant Interaction ◽

Block Design ◽

Fertilizer Application ◽

Stem Diameter ◽

The Other ◽

Raw Material ◽

Eriobotrya Japonica ◽

Significant Interaction Effect ◽

Randomized Block Design

Buah biwa (Eriobotrya japonica) sangat baik untuk kesehatan tubuh dan dapaat digunakan sebagai bahan baku obat-obatan. Budidaya tanaman biwa di tingkat petani saat ini masih bersifat tradisional, sehingga produksinya masih rendah dan belum dapat memenuhi kebutuhan konsumen. Salah satu penyebabnya ialah keterbatasan informasi mengenai penggunaan pupuk yang efektif dan efisien pada pembudidayaannya. Penelitian bertujuan mengetahui pengaruh pemberian pupuk N, P, dan K pada tanaman biwa. Penelitian dilakukan di Kebun Percobaan Tanaman Buah Berastagi dengan ketinggian tempat 1.340 m dpl., dengan jenis tanah Andisol, yang dilaksanakan dari bulan Januari sampai dengan Desember 2006. Percobaan menggunakan rancangan acak kelompok pola faktorial dengan dua ulangan. Perlakuan terdiri atas tiga faktor yakni : N (0, 180, dan 360 kg/ha), P (0 dan 36 kg/ha), dan K (0, 180, dan 360 kg/ha). Hasil penelitian menunjukkan adanya interaksi NxP dan NxK terhadap pertambahan tinggi tanaman pada umur 6 dan 8 bulan setelah pemberian pupuk pertama.Tidak ada interaksi NxP yang nyata terhadap pertambahan diameter batang, namun ada interaksi NxK yang nyata terhadap pertambahan diameter batang pada umur 4, 6, dan 8 bulan setelah pemberian pupuk pertama. Taraf dosis pupuk N:P:K (360:36:180) kg/ha menghasilkan pertumbuhan vegetatif tanaman biwa (tinggi tanaman, diameter batang, serta jumlah tunas) yang lebih baik dari perlakuan lainnya. Hasil analisis daun biwa memperlihatkan bahwa kandungan hara N, P, dan K terbesar dalam daun yang ditemukan pada perlakuan dosis pupuk N:P:K (360:36:180) kg/ha. Implikasi dari penelitian ini adalah sebagai pedoman pemupukan pada budidaya biwa. Loquat fruits is very good for human health. Furthermore, it can be used as the raw material for some medicines. Until now the loquat cultivataion is still traditionally practiced by farmers, so its production is still very low and can not fulfill consumers demand. One of the reasons is that the information of effective and efficient fertilization is not available. The objective of the research was to determine the effect of N, P, and K fertilizers on the growth of loquat. The research was conducted at Berastagi Experimental Fruit Farm, at altitude of 1,340 m asl, with Andisol soil type, on January to December 2006. A randomized block design was used with two replications. The research consisted of 18 treatments combination with three factors i.e. N (0, 180, and 360 kg/ha), P (0 and 36 kg/ha), and K (0, 180, and 360 kg/ha). The results showed that there were significant interaction effects of NxP and NxK to plant height on 6 and 8 months after the first fertilizer application. The significant interaction effect of NxK was also stem diameter on 4, 6, and 8 months after the first fertilizer application. The dosage of N:P:K (360:36:180 kg/ha) exhibited better vegetative growth of loquat (plants height, stem diameter, and number of shoots) compared to other treatments. The analysis of loquat leaves indicaated that the content of N, P, and K nutrients on leaves was higher on the fertilizer dosage of N:P:K = 360:36:180 kg/ha compared to the other fertilizer treatments.Implication of the research is to guide fertilizing on loquat cultivation.

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