Soybean nodulation and nitrogen fixation in response to soil compaction and surface straw mulching

Siczek, Anna; Lipiec, Jerzy

doi:10.1016/j.still.2011.04.001

Cited by 83 publications

(49 citation statements)

References 30 publications

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“…Buck et al (2000) also concluded that mulch quality is important and have influence on reduction of negative effect of soil compaction on soil properties. Considering importance of enzyme activities for nutrient availability to crop, stimulation of soil enzymes by mulch application could be one of the reason of greater soybean yield in relation to unmulched soil observed in the same experiment by Siczek and Lipiec (2011).…”

Section: T a B L E 4 Correlation Coefficientsmentioning

confidence: 87%

Soil microbial activity as influenced by compaction and straw mulching

Siczek

Fr²

2012

International Agrophysics

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Soil microbial activity as influenced by compaction and straw mulchingField study was performed on Haplic Luvisol soil to determine the effects of soil compaction and straw mulching on microbial parameters of soil under soybean. Treatments with different compaction were established on unmulched and mulched with straw soil. The effect of soil compaction and straw mulching on the total bacteria number and activities of dehydrogenases, protease, alkaline and acid phosphatases was studied. The results of study indicated the decrease of enzymes activities in strongly compacted soil and their increase in medium compacted soil as compared to no-compacted treatment. Mulch application caused stimulation of the bacteria total number and enzymatic activity in the soil under all compaction levels. Compaction and mulch effects were significant for all analyzed microbial parameters (P<0.001).

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Section: T a B L E 4 Correlation Coefficientsmentioning

confidence: 87%

Soil microbial activity as influenced by compaction and straw mulching

Siczek

Fr²

2012

International Agrophysics

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“…On the other hand, mulching could effectively reduce the formation of soil physical crust by filtering soil particles during rainstorms, improved soil water-stable aggregates, and increased soil-water-holding capacity (Lin and Chen, 2015). Previous studies have also suggested that organic mulching promotes the activity of soil microorganisms and the formation of a soil aggregate structure, thereby improving the soil structure and increasing the soil water content (Siczek and Lipiec, 2011). Meanwhile, we found that integrating fish-scale pits and mulching increased soil water consumption (Fig.…”

Section: Discussionmentioning

confidence: 99%

Integrating a mini catchment with mulching for soil water management in a sloping jujube orchard on the semiarid Loess Plateau of China

Zhao

et al. 2016

Solid Earth

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Abstract. Conserving more soil water is of great importance to the sustainability of arid and semiarid orchards. Here we integrated fish-scale pits, semicircular mini-catchments for hill slope runoff collection, with mulches to test their effects on soil water storage in a 12-year-old dryland jujube orchard on the Loess Plateau of China, by using soil water measurements from April 2013 to November 2014. This experiment included four treatments: fish-scale pits with branch mulching (FB), fish-scale pits with straw mulching (FS), fish-scale pits without mulching (F), and bare land treatment (CK). Soil water was measured using the TRIME ® -IPH time-domain reflectometer (TDR) tool in 20 cm intervals down to a depth of 180 cm, and was measured once every 2 weeks in the 2013 and 2014 growing seasons. The results showed that fish-scale pits with mulching were better in soil water conservation. Average soil water storage (SWS, for short) of FB at soil layer depths of 0-180 cm increased by 14.23 % (2013) and 21.81 % (2014), respectively, compared to CK, but only increased by 4.82 % (2013) and 5.34 % (2014), respectively, for the F treatment. The degree of soil water compensation, W S , was employed here to represent to what extent soil water was recharged from precipitation at the end of the rainy season relative to that at the beginning of the rainy season. A positive (negative) W S larger (lower) soil water content at the end of rainy season than at the beginning. For the treatment of FB, the values of W S over the entire soil profile were greater than 0; for the treatment of F, negative values of W S were observed in depths of 60-100 cm in both years. However, the bare land treatment showed negative values in depths of 40-180 cm. This indicated that integrating fish-scale pits with mulching could significantly increase soil water storage by increasing infiltration and decreasing evaporation, and it showed greater soil water storage and degree of soil water compensation compared to fish-scale pits alone. Since the branches used for mulching here were trimmed jujube branches, the cost of mulching materials was largely reduced. Therefore, integration of fish-scale pits with branch mulching is recommended in orchards for soil water conservation on the Loess Plateau and potentially for other regions.

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“…Este resultado está associado ao menor efeito de redução da camada compactada do solo por esses sistemas, na linha de semeadura, em comparação aos demais, visto que a nodulação e a fixação biológica de N são afetadas pela presença de camada compactada do solo (Siczek & Lipiec, 2011). Esses autores encontraram redução do número de nódulos por planta e redução da atividade da nitrogenase, em presença de camada compactada.…”

Section: Sistemas De Plantiounclassified

“…De acordo com Ferrari et al (2015), o estresse causado por deficit de água leva à ocorrência de plantas de soja pouco desenvolvidas, com pequena estatura e área foliar reduzida, pois uma das alterações provocadas pelo estresse hídrico é a redução do potencial hídrico foliar, que causa o fechamento estomático e, consequentemente, a diminuição das trocas gasosas e a inibição de vários processos bioquímicos e fisiológicos, como a fotossíntese, respiração, absorção de íons, metabolismo dos nutrientes, entre outros. Além disso, a irrigação incrementou a massa de matéria seca de nódulos (Tabela 2), pois a nodulação é influenciada pelo conteúdo de água no solo (Siczek & Lipiec, 2011), e a fixação biológica de N é um processo metabólico muito sensível ao deficit de água em plantas de soja (Gil-Quintana et al, 2013;King et al, 2014).…”

Section: -------------------------------(Cm)-------------------(g Porunclassified

“…Assim como observado no experimento 1, o menor rendimento de grãos ocorreu no sistema com disco duplo, como consequência de seu menor efeito de rompimento da camada compactada do solo, o que afetou o crescimento e a nodulação das plantas, que interfere na disponibilidade de N às plantas (Siczek & Lipiec, 2011).…”

Section: -------------------------------(Cm)-------------------(g Porunclassified

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Rendimento de grãos de soja em função de sistemas de plantio e irrigação por superfície em Planossolos

Sartori

Marchesan

David

et al. 2015

Pesq. agropec. bras.

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Resumo: O objetivo deste trabalho foi avaliar o efeito de sistemas de plantio e irrigação suplementar em faixas sobre o rendimento de grãos de soja, em áreas com presença de camada compactada próxima à superfície do solo. Dois experimentos foram realizados em blocos ao acaso, em faixas, com quatro repetições, no Estado do Rio Grande do Sul. O experimento 1 foi realizado em Santa Maria, correspondente às safras de 2013/2014 e 2014/2015; e o experimento 2, em Formigueiro, na safra 2013/2014. Os tratamentos consistiram dos fatores A e D. O fator A considerou os seguintes sistemas de plantio: A1, semeadura com discos duplos desencontrados; A2, semeadura com disco ondulado de 12 ondas; A3, semeadura com haste sulcadora; A4, semeadura com haste sulcadora e um mecanismo de acomodação do solo; A5, semeadura em microcamalhão; e A6, escarificação do solo e semeadura com disco duplo desencontrado. O fator D consistiu de tratamentos com ou sem irrigação. Na safra 2014/2015, alterou-se o fator A4 por haste desencontrada a 5 cm da linha de semeadura. O experimento 2 constituiu-se apenas do fator A do experimento 1, sem o tratamento microcamalhão. Os sistemas com escarificação do solo e haste sulcadora são os que proporcionam maior rendimento de grãos. A irrigação realizada em condições de umidade do solo abaixo de 60% da capacidade de campo aumenta o rendimento de grãos.

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Soybean nodulation and nitrogen fixation in response to soil compaction and surface straw mulching

Cited by 83 publications

References 30 publications

Soil microbial activity as influenced by compaction and straw mulching

Soil microbial activity as influenced by compaction and straw mulching

Integrating a mini catchment with mulching for soil water management in a sloping jujube orchard on the semiarid Loess Plateau of China

Rendimento de grãos de soja em função de sistemas de plantio e irrigação por superfície em Planossolos

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