Influência da biomassa de leguminosas sobre a produção de repolho em dois cultivos consecutivos

Vargas, Thiago de Oliveira; Diniz, Ellen Rúbia; Santos, Ricardo Henrique Silva; Lima, Carlos Túlio de A; Urquiaga, Segundo; Cecon, Paulo Roberto

doi:10.1590/s0102-05362011000400020

Cited by 19 publications

(22 citation statements)

References 16 publications

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“…With cabbage, Fontanétti et al (2006) used 12.7 t ha -1 dry biomass of crotalaria juncea, 8.50 t ha -1 of black mucuna, 7.51 t ha -1 of pork and 5.2 t ha -1 of spontaneous vegetation , associated to 100 kg ha -1 P 2 O 5 , 100 kg ha -1 of K 2 O and 150 kg ha -1 of N, split at 30, 45 and 65 days after planting, plus 1 g of boric acid per well resulted in the production of heads of broccoli with 1.4, 1.2, 1.2 and 2.0 kg, respectively. Vargas et al (2011) using 50% of the recommended dose of mineral fertilization added to dry biomass of sunflower and pigs resulted in cabbage production, similar to that obtained with 100% mineral fertilization, yielding between 1.9 and 2.3 kg plant -1 , which corresponds to productivity of 47.0 to 58.0 t ha -1 .…”

Section: Introductionsupporting

confidence: 60%

Application of different cover crops and mineral fertilizer doses for no-till cultivation of broccoli, cauliflower and cabbage

Torres¹,

Gomes²,

Barreto³

et al. 2017

Aust J Crop Sci

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No-till practices have not been widely adopted by vegetable producers due to the necessity of seedbed preparation to incorporate organic fertilizers and plant residues of the preceding crops. This study evaluated biomass yield and residue decomposition of different cover crops, and their influence on agronomic performance of Brassica crops cultivated under no-till system. The experiment was laid out in randomized complete blocks with 4 x 3 factorial treatment combinations of four cover crops: Sunn hemp (SH), Signal grass (SG), Pearl millet (PM), and SH + PM mixture, and three doses of mineral fertilizer-0, 50, and 100% of the recommended fertilizer doses for broccoli. The same design and treatments were used for cauliflower and then for cabbage, separately.. The experiment was carried out with 4 repetitions on parcels of 20 m 2 . No beds were raised, for the planting of seedlings was done in pits. The following agronomic traits were evaluated: Dry biomass (DB) and decomposition of cover crop residues (DR), and the number of leaves (NL), height (H), fresh head weight (FHW) and dry head weight (DHW), and yield (Y) of Brassica crops. The highest DB occurred in treatments with SH (Give value). SG presented the highest DR constant and the shortest half-life of residues in this study.; Broccoli presented better agronomic performance when cultivated on residues containing SH.; Fertilizer doses influenced broccoli and cabbage productivity, which were the highest for the treatment with 100% dose of mineral fertilizer.

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Section: Introductionsupporting

confidence: 60%

Application of different cover crops and mineral fertilizer doses for no-till cultivation of broccoli, cauliflower and cabbage

Torres¹,

Gomes²,

Barreto³

et al. 2017

Aust J Crop Sci

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“…Ângulos menores, maiores e iguais a 90º graus indicam, respectivamente, associação positiva, negativa e ausência de associação (Yan e Tinker, 2006). Nos caracteres RG, RP, CPG, GS e GU a associação é positiva com nabo forrageiro, ervilhaca comum e ervilha forrageira, o que pode ser explicado pela elevada produção de matéria seca, acú-mulo de nitrogênio, fósforo, potássio observada nestas espécies, bem como pela decomposição e liberação de nitrogênio para a cultura do trigo, em estádios fenológicos de maior demanda deste nutriente (Viola et al, 2013).…”

Section: Resultsunclassified

“…A semeadura da cultivar de trigo BRS Pardela foi realizada em 18/6/2010, em sucessão às espécies de cobertura, na densidade de 350 sementes viáveis por m 2 . A caracterização química da área, dados meteorológicos, detalhes do manejo das espécies de cobertura, acúmulo e liberação de nutrientes, podem ser observados em Viola et al (2013).…”

Section: Methodsunclassified

“…Poucos estudos avaliaram o efeito de espécies de adubos verdes, cultivadas no período outonal, entre a colheita do milho e a semeadura trigo. Neste esquema de sucessão de culturas, o nabo forrageiro, a ervilhaca comum e a ervilha forrageira constituem-se em alternativas promissoras, devido ao ciclo e ao potencial em reciclar e disponibilizar nutrientes para a cultura do trigo; há estudos que indicam acúmulo de nitrogênio que variam entre 60 e 110 kg ha -1 (Giacomini et al, 2003;Cabezas et al, 2004;Nunes et al, 2011;Vargas et al, 2011). Estas espécies também possuem relação C/N adequada, para que não ocorra imobilização do N e para que sua liberação ocorra em sincronia com os estádios de maior demanda da cultura do trigo Lima et al, 2007;Viola et al, 2013).…”

Section: Introductionunclassified

“…Neste esquema de sucessão de culturas, o nabo forrageiro, a ervilhaca comum e a ervilha forrageira constituem-se em alternativas promissoras, devido ao ciclo e ao potencial em reciclar e disponibilizar nutrientes para a cultura do trigo; há estudos que indicam acúmulo de nitrogênio que variam entre 60 e 110 kg ha -1 (Giacomini et al, 2003;Cabezas et al, 2004;Nunes et al, 2011;Vargas et al, 2011). Estas espécies também possuem relação C/N adequada, para que não ocorra imobilização do N e para que sua liberação ocorra em sincronia com os estádios de maior demanda da cultura do trigo Lima et al, 2007;Viola et al, 2013). Apesar disso, o cultivo de espécies de cobertura ainda é uma prática pouco utilizada pelos agricultores brasileiros, sobretudo na cultura no trigo, por uma série de razões, que compreendem desde motivos de cunho comercial até dificuldades técnicas (Nunes et al, 2011).…”

Section: Introductionunclassified

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Qualidade industrial do trigo em resposta à adubação verde e doses de nitrogênio

et al. 2013

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ResumoO objetivo deste estudo foi avaliar os efeitos de adubos verdes cultivados entre a cultura do milho e a do trigo e da adubação nitrogenada sobre a qualidade industrial do trigo. Os tratamentos consistiram de quatro níveis de adubação nitrogenada: sem adição de nitrogênio, 40, 80 e 120 kg ha -1 e seis manejos outonais: quatro com o cultivo de espécies de cobertura (ervilha forrageira, ervilhaca comum, nabo forrageiro e tremoço), um cultivo de feijoeiro com fins comerciais e outro com a permanência em pousio no período compreendido entre a colheita do milho e a semeadura do trigo. O delineamento experimental foi o de blocos ao acaso em esquema fatorial, com três repetições. O rendimento de proteína aumentou linearmente com a aplicação de nitrogênio mineral. As doses de 80 e 120 kg ha -1 de nitrogênio afetaram positivamente o desempenho dos parâmetros indicativos da qualidade industrial. A ervilha forrageira, o nabo forrageiro e a ervilhaca comum permitem combinar indíces de qualidade tecnológica ideais para panificação e satisfatórios patamares de produtividade de grãos, reduzindo a demanda de adubação nitrogenada mineral.Palavras-chave: Triticum aestivum L., qualidade de panificação, adubação nitrogenada, rendimento de grãos. Baking quality of wheat in response to green manure and nitrogen rates AbstractThe objective this study was to investigate the effects of green manures cultivated between the maize and wheat crop and nitrogen rates on baking quality of spring wheat. Treatments consisted of four nitrogen fertilization rates: without N addition, 40, 80 and 120 kg ha -1 using the amidic form, and six managements before wheat crop: four green manures forage pea, common pea, oilseed radish and lupine, common bean grown for commercial purposes, and the fallow between the corn harvest and wheat cropping. The experimental design was in randomized blocks and factorial scheme, with three replicates. The protein yield increased linearly with the application of mineral N rates. The nitrogen rates of 80 and 120 kg ha -1 improved the baking wheat quality. The forage pea, oilseed radish and common pea allowed ideal index of baking quality and satisfactory crop yield, reducing the demand for mineral N fertilization.

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Which spatial arrangement of green manure is able to reduce herbivory and invasion of exotic grasses in native species?

Reis

Guerra

Colado³

et al. 2019

Ecological Applications

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The practice of using green manure for ecological restoration has grown so significantly that there is a shortage of seeds for purchase on the market. Nonetheless, there is very little literature available demonstrating the effects and benefits commonly cited for green manure for addressing important environmental filters, such as herbivory and invasive grasses. Our objective is to determine which spatial sowing arrangement including green manure promotes the lowest rates of herbivory on native species and decreases cover by invasive grasses in ecological restoration. We experimentally tested three sowing configurations of green manure intercropping with native species: T1 the lowest herbivoy rate for both native and green manure, mixture of native and green manure species in the same row, T2, alternating rows of green manure and native species, and T3, rows of native species intercropped with a 2 m wide strip of green manure. We found that (1) green manure species experience greater damage from herbivory than do native species, with average values ranging from 1.8 times higher values in green manure than natives in T1, 2.9 times in T2, and 2.7 times in T3 (when sown in rows and in broader strips, green manure and native species attract more herbivorous insects than if they were sown together [muvuca]); and (2) when green manure and native species are planted mixed in the same row they produce greater soil cover, and thus limit invasion by undesired species. The use of green manure has been identified as an alternative method for overcoming the environmental filters of herbivory and invasive grasses in restoration areas. Considering the demand for information that supports the use of green manure for purposes of ecological restoration, the novel results of the present study fill a void and should prove to be of great interest to researchers and practitioners. In addition, the presented results provide information on efficient and low-cost restoration techniques that are necessary for the activity to gain scale, enabling countries to meet the large restoration targets.

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Influência da biomassa de leguminosas sobre a produção de repolho em dois cultivos consecutivos

Cited by 19 publications

References 16 publications

Application of different cover crops and mineral fertilizer doses for no-till cultivation of broccoli, cauliflower and cabbage

Application of different cover crops and mineral fertilizer doses for no-till cultivation of broccoli, cauliflower and cabbage

Qualidade industrial do trigo em resposta à adubação verde e doses de nitrogênio

Which spatial arrangement of green manure is able to reduce herbivory and invasion of exotic grasses in native species?

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