Cover crops in the production of green and sweet corn

Silveira, Bruna de Souza; Torres, José Luiz Rodrigues; Júnior, Valdeci Orioli; Fávaro, João Henrique de Souza; Costa, Luciene Lacerda; Charlo, Hamilton César de Oliveira

doi:10.1590/s0102-0536-20210114

Cited by 7 publications

(2 citation statements)

References 17 publications

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“…Assessing the green corn yield, Silveira et al (2021) also did not observe the effects of cover crops on the yield attributes of green corn in NTS. These authors observed EHY values ranging from 10.06 to 10.91 Mg ha -1 , HY from 3.26 to 4.53 Mg ha -1 , and EY from 6.70 to 7.20 Mg ha -1, similar to those obtained in this study.…”

Section: Resultsmentioning

confidence: 79%

“…Means followed by the same lowercase letter in the column do not differ from each other by the Scott-Knott test (p < 0.05). EY -Ear yield; HY -Husk yield; EHY -Ear+husk yield; GYH -Grain yield per hectare is, with a shorter crop cycle (Pedrotti et al, 2015;Oliveira et al, 2017;Silveira et al, 2021). However, this is a topic that needs to be better elucidated in future studies.…”

Section: Resultsmentioning

confidence: 99%

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Green and sweet corn grown under different cover crops and phases of the no-tillage system

Nunes

Fávaro

Charlo

et al. 2022

Rev. bras. eng. agríc. ambient.

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Special corn is cultivated all year conventionally round; however, its productivity increases when grown under a no-tillage system (NTS). This study aimed to evaluate the agronomic performance of sweet and green corn cultivated under residues of different cover crops and the NTS implantation stages. Two experiments were carried out in the randomized block design, with four replications, in each of the three areas. The experiments consisted of evaluating the sweet and green corn, simultaneously, in three areas at different stages of development of NTS: initial (1 year), transition (7 years), and consolidation (19 years) with six types of cover crops: Signal grass (SG), Pearl millet (PM), Sunn hemp (SH), a mixture of SG + SH, SG + PM, and PM + SH. The dry matter (DM) production of the cover crops, the productivity of husked and unhusked ears, straw, and grain yield were evaluated. The SH had the highest dry mass production among the studied cover crops in all phases of the NTS. The phase of the NTS did not influence the productivity of ears with or without husk in green corn. The cultivation of sweet corn in transition and consolidation areas of the NTS showed better yields when compared to the initial phase of the system.

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Section: Resultsmentioning

confidence: 79%

Section: Resultsmentioning

confidence: 99%

Green and sweet corn grown under different cover crops and phases of the no-tillage system

Nunes

Fávaro

Charlo

et al. 2022

Rev. bras. eng. agríc. ambient.

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Fast labile carbon and litter exhaustion under no-tillage after 5-year soil warming

Hou

Gong

Ouyang

et al. 2023

CATENA

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No-till broccoli production using different cover crop residues and nitrogen doses

et al. 2023

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No-till vegetable farming is a feasible alternative to reduce erosion-induced losses and to increase soil nutrient availability, because cover crop residue protects the soil and its decomposition promotes nutrient cycling, which can improve the yield of the subsequent crop. The present study assessed the production and decomposition of cover crops and the agronomic performance of broccoli grown on this residue using different nitrogen doses in a no-till system. A randomized block design was used, in a split-split plot arrangement of main plots (cover crops), sub-plots (N doses) and sub-sub plots (decomposition times), with four repetitions. Seven cover crops were studied, as follows: [1) signal grass (SG); 2) sunn hemp (SH); 3) pearl millet (PM): 4) SG+SH; 5) SG+PM; 6) SH+PM and 7) SG+SH+PM]; in addition to four doses of nitrogen topdressing [T1) no N application (control); T2) 60 kg/ha N; T3) 90 kg/ha N and T4) 120 kg/ha N]; and five cover crop residue decomposition times: zero (cutting), 15, 30, 60 and 90 days after transplanting (DAT) the broccoli seedlings. Cover crop dry weight (DW) production, residue decomposition, and the head fresh (HFW) and dry weight (HDW) and yield (YLD) of broccoli were assessed. Among the cover crops, sunn hemp and the intercropped SG+SH treatment exhibited the lowest DW production and, along with signal grass, the shortest half-life (T½) and highest residue decomposition rate. The best-performing broccoli plants were those grown using PM, SH and a combination of both as cover crops. The highest broccoli production was obtained using sunn hemp residue, regardless of nitrogen topdressing, with HFW of 788 g/plant and YLD of 30 t/ha.

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Cover crops in the production of green and sweet corn

Cited by 7 publications

References 17 publications

Green and sweet corn grown under different cover crops and phases of the no-tillage system

Green and sweet corn grown under different cover crops and phases of the no-tillage system

Fast labile carbon and litter exhaustion under no-tillage after 5-year soil warming

No-till broccoli production using different cover crop residues and nitrogen doses

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