Rendimento de grãos e características agronômicas de soja em função de pastagens perenes em sistema de plantio direto

Santos, H. P. dos; Fontaneli, R. S.; Pires, J. L. F.; Fontaneli, Roberto Serena; Biazus, Valdéria; Verdi, A. C.; Vargas, Ana Maria

doi:10.1590/1678-4499.0153

Cited by 15 publications

(13 citation statements)

References 15 publications

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“…Forage intercropped with soybean did not affected soybean yield. These results corroborate with Santos et al (2013) and Silva et al (2015), which evaluated soybean intercropped with forages in integrated crop-livestock, also did not observed differences between treatments for agronomic characteristics; however, the results were different those found by Bahry et al (2013), were a significant difference was only found for plant height. In several studies where advantages of forages as cover crops are shown, a strong relationship with soil attributes mostly in the soil chemistry, soil physics and some crop health were demonstrated to be improved by cover crop adoption (Pariz et al, 2014;Franzluebbers et al, 2014).…”

Section: Resultssupporting

confidence: 90%

Agronomic Performance of Soybean Intercropped With Cover Crops and the Effects of Lime and Gypsum Application

Ferreira¹,

Bortolon²,

Borghi³

et al. 2018

JAS

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Soybean is the major crop in the Brazilian Cerrado region. Tocantins state has been increasing soybean production mostly into degraded pasture. However, cover crops such as forages crops are important to implement in regional soybean agricultural systems to increase systems resilience due to climate variability. There is a lack of information regarding to agronomic performance of soybean intercropped with cover crops under no-tillage. The experimental design was randomized complete blocks with four replications in factorial 7 × 2. Seven soybean cultivation systems were tested: 1) soybean intercropped with Urochloa brizantha cv. Marandu; 2) soybean intercropped with Urochloa ruziziensis; 3) soybean intercropped with Panicum maximum cv. Mombaça; 4) soybean intercropped with Panicum infestans cv. Massai; 5) soybean intercropped with Pennisetum americanum; 6) soybean followed by Pennisetum americanum; and 7) soybean and fallow. Two soil acidity and amelioration were tested: 1) with lime and gypsum application; 2) without lime and gypsum application. Soybean grain yield, plant height and number of pods per plant were different. Soybean grain yield were higher with lime ad gypsum application. The highest soybean plants height were observed in the treatments where lime and gypsum were applied, and with soybean intercropped with P. maximun and Millet. Soybean number of pods was positively affected P. infestans intercropped with soybean. There was no significant difference among treatments for mass per 100 seeds. Cover crops showed suitable to increase agronomic performance of soybean.

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Section: Resultssupporting

confidence: 90%

Agronomic Performance of Soybean Intercropped With Cover Crops and the Effects of Lime and Gypsum Application

Ferreira¹,

Bortolon²,

Borghi³

et al. 2018

JAS

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“…The same occurred in comparison to sowing period where forage systems did not influence the plant heights. The effect of vegetation on the agronomic characteristics of soybean were also evaluated in some studies as the Santos et al (2014b) found that soybean plants heights ranging from 85 to 90 cm in different covers of perennial pastures under no-tillage system, being similar to those obtained in this study.…”

Section: Agronomic Characteristics and Yield Of Soybeansupporting

confidence: 81%

“…As for the weight of 100 grains, there was no significant effect (P>0.05) for forage systems and sowing period (Table 6). Many studies also found no effect of different vegetation cover on the weight of 100 seeds, as shown in the research of Lima et al (2009);Santos et al (2014b) and Borges et al (2015). The results obtained for grain yield were influenced (P<0.05) by forage systems and sowing period (Table 6).…”

Section: Agronomic Characteristics and Yield Of Soybeanmentioning

confidence: 86%

Dynamics of biomass of pearl millet and Paiaguas palisadegrass in different forage systems and sowing periods in yield of soybean

Costa¹,

Costa²,

Assis³

et al. 2016

Afr. J. Agric. Res.

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There is increasing global concern with environmental food production and sustainability to maintain high carbon stocks in soil biomass. The biomass produced in crop-livestock integration system increases soil organic matter, acts in nutrient cycling, improves the physical, chemical and biological characteristics of soil and increases grain production. Moreover, this soil management system mitigates greenhouse effect and preserves the environment. However, in the Savannah of Central Brazil region, an efficient mulching production of biomass is one of the factors limit sustainability of direct seeding of soybean, mainly due to accelerated decomposition of crop residues. Thus, this study aimed to evaluate biomass dynamics of pearl millet and Paiaguas palisadegrass in different forage systems and sowing periods on soybean yield. The experiment followed a randomized block design with a 5 x 2 factorial arrangement and three replications, under five forage systems (monocropped pearl millet, monocropped Paiaguas palisadegrass, pearl millet intercropped in rows with Paiaguas palisadegrass, pearl millet intercropped between rows of Paiaguas palisadegrass and pearl millet oversown and intercropped with Paiaguas palisadegrass) at two sowing periods (February and March). The results showed that Paiaguas palisadegrass in a monocropped system generated the highest biomass production and lowest carbon/nitrogen ratio. The highest carbon/nitrogen ratio and cumulative biomass loss occurred with millet in monocropped and intercropped with oversown Paiaguas palisadegrass in which biomass production was reduced by plant competition. Paiaguas forage systems in palisadegrass monocropped and intercropping on and between rows supported higher yield of soybean. The second sowing periods resulted in higher production of remaining biomass and grain yield, in all forage systems. Intercropping in crop-livestock integration systems showed a promising cultivation technique to maintain a sustainable stock of soil carbon.

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“…These results were probably because the genetic similarity between the genotypes, since most of them have common parents (Table 1). Moreover, bean yield is a polygenic quantitative characteristic, and thus highly affected by the environment (SANTOS et al, 2014).…”

Section: Resultsmentioning

confidence: 99%

Agronomic Performance of Cowpea Elite Lines in the States of Minas Gerais and Mato Grosso, Brazil

et al. 2018

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The objective of this work was to evaluate the agronomic performance of erect and semi-erect cowpea elite lines grown in the States of Minas Gerais and Mato Grosso, Brazil. The experiments were conducted in Jaíba, Janaúba, Sete Lagoas (Minas Gerais), Primavera do Leste and Nova Ubiratã (Mato Grosso), with 20 genotypes of cowpea, arranged in a randomized block design with four replications. The data were subjected to individual and joint analyses of variance and means grouped by the Scott-Knott test (p<0.05). The plant growth habit, lodging, cultivation value, pod length and bean yield were evaluated. The lines MNC04-768F-21 and MNC04F-795F-168 had the highest bean yield in the experiments conducted in Mato Grosso, and their growth habit, lodging and cultivation value were similar to those of the cultivar BRS-Guariba. The lines MNC04-769F-30, MNC05-795F-154 and MNC04-769F-49 and the cultivar BRS-Tumucumaque had the highest bean yield in the experiments conducted in Minas Gerais. However, the cultivars BRS-Guariba, BRS-Tumucumaque, BRS-Novaera, BRS-Itaim and BRS-Cauamé and the lines MNC04-792F-143 and MNC04-792F-144 showed satisfactory bean yield and good growth habit, plant lodging and cultivation value in the State of Minas Gerais, especially in the northern region of the state (Jaíba and Janaúba), representing good alternatives for the genotypes recommended for this region.

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Rendimento de grãos e características agronômicas de soja em função de pastagens perenes em sistema de plantio direto

Cited by 15 publications

References 15 publications

Agronomic Performance of Soybean Intercropped With Cover Crops and the Effects of Lime and Gypsum Application

Agronomic Performance of Soybean Intercropped With Cover Crops and the Effects of Lime and Gypsum Application

Dynamics of biomass of pearl millet and Paiaguas palisadegrass in different forage systems and sowing periods in yield of soybean

Agronomic Performance of Cowpea Elite Lines in the States of Minas Gerais and Mato Grosso, Brazil

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