Características agronómicas de la soya en función de las densidades de siembra y profundidad de deposición de abono

Cortez, Jorge Wilson; Furlani, Carlos Eduardo Angeli; Silva, Rouverson Pereira da; Román, R. A. A.

doi:10.1590/s0034-737x2011000100010

Cited by 4 publications

(4 citation statements)

References 5 publications

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“…Moreover, Peixoto et al (2000) and Tourinho et al (2012) observed an increase in yield due to the increase in the number of plants with achieving proper operation and uniform seeding. In work done by Cortez et al (2011) found that the use of number of plants between 15 and 20 plants per meter did not alter the yield of soybean, allowing used fewer plants to reduce spending on seeds for sowing. For Hörbe et al (2013), the plant arrangement is a cultural practice that affects the yield of crops, the most important being the regular distribution of seeds, eliminating spaces between plants, the number of plants, especially in precision agriculture systems.…”

Section: Three Recent Researchmentioning

confidence: 99%

Foliar tissue, grain yield and economic return by surface application of gypsum and different number of soybean plants in precision seed drill

Rampim¹,

Borsoi²,

Molin³

et al. 2015

Afr. J. Agric. Res.

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The gypsum has elevated calcium and sulfur in the soil, and there are reports of increased grain yield of soybean with reduced number of plants, being necessary in conjunction with economic return on investment. This study investigated the effect of application superficial of gypsum and different numbers of plants in precision seed drill in the nutritional aspect of the leaf tissue, grain yield of soybean cultivated in clayey Rhodic Hapludox and economic return on investment. Used in the experiment was a randomized block design in scheme tracks (4 × 4), with four doses of gypsum (0, 800, 1600 and 2400 kg ha -1 ) applied at the V4 stage of soybean Vmax RR (SYN 7059RR) and four variations in the number of plants ( 12, 14, 16 and 18 plants per meter), with four replications. Samples of leaf tissue were collected in the flowering stage of soybean in the 2011/2012 crop, and then determined the levels of Ca, Mg, K, P, S, Cu, Zn, Mn and Fe. At maturity the yield assessment was performed. The number of plants per meter with precision seed drill and superficial application of gypsum at the V4 stage do not affect the content of macro-and micronutrients leaf tissue of soybean cultivar SYN 7059RR. The application of gypsum at the V4 stage and reducing the number of plants per meter statistically do not affect the grain yield. Recommend lower number of plant (12 plants m -1 ) on soybean cultivar for SYN 7059RR. The economic returns using higher amount of seed (14, 16 and 18 plants m -1 ) is -283, -260 and -271% with investment of US$ 13.76, 29.24 and 44.72. Use of gypsum focused costs to only two cultures (soybeans and wheat) during the crop season provides residual soil of 104.43 kg ha -1 of S. Application 800 kg ha -1 gypsum provides US$ 14.56 profit with 44% economic return to payment half investment (US$ 33.32).

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Section: Three Recent Researchmentioning

confidence: 99%

Foliar tissue, grain yield and economic return by surface application of gypsum and different number of soybean plants in precision seed drill

Rampim¹,

Borsoi²,

Molin³

et al. 2015

Afr. J. Agric. Res.

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“…A produtividade da cultura da soja depende de vários fatores e de acordo com Meoti et al (2012) os componentes de produção apresentara ajustes entre as cultivares, para compensar os efeitos da época de semeadura. Cortez et al (2011) não verificaram alterações na produtividade, quando utilizaram densidade populacional de 15 a 20 plantas por metro.…”

Section: Discussionunclassified

Manejo Da Palhada E Adubação Na Produção Da Soja E Cobertura Do Solo

Cortez¹,

Furlani

Silva

et al. 2019

NAT

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Diversos fatores podem interferir no desenvolvimento da cultura da soja, dentre os quais pode-se citar o manejo de restos culturais e o método de aplicação do adubo. Assim, objetivou-se avaliar os equipamentos de manejo da palhada (rolo-faca, triturador de palhas e roçadora) e sistemas de adubação (em pré-semeadura e na semeadura), na produção da soja e cobertura do solo. O experimento foi conduzido em Latossolo Vermelho utilizando-se um esquema fatorial 2 x 3 em blocos casualizados com quatro repetições. Foram avaliados: estande inicial e final, distribuição longitudinal, altura de planta e inserção da primeira vagem, número de vagens por planta e número de grãos por vagem, massa de 100 grãos e produtividade além da porcentagem de cobertura do solo e biomassa seca no solo. Os sistemas de manejo da palhada, individualmente, influenciaram as variáveis: estande, altura de inserção da primeira vagem e número de vagens por planta. A interação manejo da palhada e adubação, seja na semeadura ou pré-semeadura, não influenciaram a produtividade da soja. A cobertura do solo foi maior para o tratamento com rolo-faca com adubação em pré-semeadura. A massa seca no solo foi maior após manejo para o triturador na adubação em pré-semeadura.Palavras-chave: resíduos agrícolas; desenvolvimento de cultura; uniformidade de distribuição. STRAW MANAGEMENT AND FERTILIZATION IN SOYBEAN PRODUCTION AND SOIL COVER ABSTRACT: Several factors can interfere in the development of the soybean crop, among which we can mention the management of cultural remains and the method of applying the fertilizer. The objective of this study was to evaluate straw management equipment (knife roller, rotary mower and straw crusher) and fertilization systems (before sowing and sowing), soybean production and soil cover. The experiment was conducted in Red Latosol using a 2 x 3 factorial randomized block design with four replicates. The initial and final stand, longitudinal distribution, plant height and insertion of the first pod, number of pods per plant and number of grains per pod, mass of 100 grains and yield in addition to the percentage of soil cover and dry biomass in the soil . The straw management systems, individually, influenced the variables: stand, height of insertion of the first pod and number of pods per plant. The interaction between straw management and fertilization, whether at sowing or before sowing, did not influence soybean yield. Soil cover was higher for the treatment with a knife roller with fertilization in pre-sowing. The dry mass in the soil was higher after handling to the straw crusher in the before seeding fertilization.Keywords: agricultural wastes; growth stages; distribution uniformity.

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“…Studies performed with sowing densities varying from 15 to 20 plants per meter showed no effect on grain yield (Cortez et al, 2011). This response is related to the phenotypic plasticity that the soybean plants present, since they compensate the reduction of density with an increased individual production of pods, contributing to greater tolerance to this variation.…”

Section: Introductionmentioning

confidence: 90%

Agronomic performance of soybean genotypes submitted to different population densities in the city of Uberlândia - MG

Machado¹,

Nogueira

Rezende

et al. 2018

Científica

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Sowing density is widely studied in the soybean crop in order to define the best plant population for each cultivar available on the market. The objective of this work was to evaluate the agronomic traits of three soybean genotypes (UFUS LVR, UFUS 7910, and UFUS 8301) in four population densities (12; 14; 16; 18 pl m-1), in Uberlândia-MG. The design was a randomized complete block with four replicates, with sowing performed on February 12, 2016. The following were evaluated: plant height at flowering (PHF) and maturity (PHM); number of branched nodes (NBN); lateral branch inclination (LBI); first pod insertion height (FPIH); number of pods per plant (NPP); number of seeds per pod (NSP); hundred-grain weight (HGW); and grain yield (kg ha-1). There were significant interactions between genotypes and densities for all characters, except for LBI and NSP. When increasing the sowing density from 14 to 18 pl m-1 , cultivar UFUS 7910 showed a reduction in plant height at maturity, and strain UFUS LRV had the first pod insertion height increased. The hundred-grain weight was not altered for cultivars UFUS LRV and UFUS 7910 when increasing the density from 12 to 18 pl m-1. For the three genotypes, there was a reduction in grain yield when sown in a higher sowing density (density of 18 pl m-1). The densities of 16 pl m-1 and 12 pl m-1 provided better grain yields for genotypes UFUS LVR and UFU 7910, respectively. The densities of 12 pl m-1 and 14 pl m-1 allowed a greater number of pods and higher yield for cultivar UFUS 8301.

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Características agronómicas de la soya en función de las densidades de siembra y profundidad de deposición de abono

Cited by 4 publications

References 5 publications

Foliar tissue, grain yield and economic return by surface application of gypsum and different number of soybean plants in precision seed drill

Foliar tissue, grain yield and economic return by surface application of gypsum and different number of soybean plants in precision seed drill

Manejo Da Palhada E Adubação Na Produção Da Soja E Cobertura Do Solo

Agronomic performance of soybean genotypes submitted to different population densities in the city of Uberlândia - MG

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