Harvest Time Effect on Quantitativeandqualitative Parameters of Forage Maize

Mandić, Violeta; Bijelić, Zorica; Krnjaja, Vesna; Đorđević, Snežana; Brankov, Milan; Mićić, Nenad; Stanojković, Aleksandar

doi:10.36899/japs.2021.1.0198

Cited by 3 publications

(4 citation statements)

References 15 publications

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“…Moreover, ear development influenced the results, since although the R stage was the same in both years, ears included more DM in 2020 than in 2019. The CP content of the yield tends to decrease with ear development [56,57] since, during ear filling, the plant breaks down CP to provide N for carbon assimilation [56]. In Maaninka, the CP content was close to that observed in Helsinki in 2019 and was within the range of the previous Swedish studies [8,15].…”

Section: Discussionsupporting

confidence: 72%

Yield, Quality and Nitrogen Use of Forage Maize under Different Nitrogen Application Rates in Two Boreal Locations

et al. 2022

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Research focusing on the nitrogen (N) application and use of forage maize (Zea mays L.) in the boreal region is either limited or non-existent. The aim of this study was to investigate the response of yield, quality and N recovery efficiency (NRE) of forage maize to an increase in the N application rate and different climatic conditions in two locations in Finland. The field experiment was conducted in southern (Helsinki; 60° N) and central (Maaninka; 63° N) Finland in 2019 and 2020. Dry matter (DM) yield, forage quality and NRE were determined for N application rates of 100, 150 and 200 N kg ha−1. The DM yield was similar to all studied N application rates. Moreover, there were no marked differences in the studied forage quality traits or the NRE following the N application rates. However, the NRE of maize was generally low at 45%. The current study recommends a N application rate of 100–150 N kg ha−1 for forage maize in the boreal region. There is no need to increase the N application from current recommendations since climate conditions seem to limit the growth, development and NRE of forage maize. The observed low NRE of forage maize warrants further research in the future.

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Section: Discussionsupporting

confidence: 72%

Yield, Quality and Nitrogen Use of Forage Maize under Different Nitrogen Application Rates in Two Boreal Locations

et al. 2022

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“…Previously, in Sweden, Hetta et al (2012) observed that the DM yield was highest at the ear developmental stage of R5 when the DM content was 370 g kg -1 . Also, in Serbia, Mandić et al (2020) showed that DM yield increased until the DM content was 450 g kg -1 . Compared with those previous studies (Hetta et al 2012, Mandić et al 2020, the accumulation of DM yield ceased relatively early in this study.…”

Section: Discussionmentioning

confidence: 95%

“…Also, in Serbia, Mandić et al (2020) showed that DM yield increased until the DM content was 450 g kg -1 . Compared with those previous studies (Hetta et al 2012, Mandić et al 2020, the accumulation of DM yield ceased relatively early in this study. The early cessation of DM yield increment was most likely related to leaf senescence and harvest losses.…”

Section: Discussionmentioning

confidence: 95%

Response of forage maize yield and quality to mulch film and harvest time in Northern Europe

Lehtilä

Sairanen

Jaakkola

et al. 2023

AFSci

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Forage maize (Zea mays L.) yield and nutritional quality fluctuate markedly in Northern Europe due to weather conditions. A field experiment was conducted in Southern Finland (Helsinki, 2018–2020) and in Central Finland (Maaninka, Kuopio, 2019–2020) to study the effect of harvest time and use of mulch film, in order to optimize the dry matter (DM) yield and quality. Treatments included oxo-biodegradable mulch film and no mulch, and three harvest times (the latter only in Helsinki). Mulch film increased DM yield on average by 2.3 Mg ha-1 in Helsinki and by 3.8 Mg ha-1 in Maaninka. Mulch film had a minor effect on the quality, and overall, the quality improved, although DM yield accumulation had already ceased. Nevertheless, the starch contents fluctuated and remained mostly below the target rate – 300 g kg-1 DM – especially in Central Finland. The results indicate that mulch film improves forage maize yield, but a late harvest is still required to improve forage quality. However, climate conditions still restrict starch accumulation to ears in Northern European climate conditions, especially in the important milk production area in Central Finland.

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“…When preparing corn silage, must be pay attention to the time of the beginning of the harvest and the corn cutting height (Mandić et al, 2020). A study by Bumb et al (2016), showed that the quality of forage and yield is significantly affected by the time of harvest.…”

Section: Introductionmentioning

confidence: 99%

Nutritional Value and Chemical Composition of Corn Silage Depending on Cutting Height and Forage Losses

Vuković,

Milenković,

Lalević

et al. 2024

RAR

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The study presents the effect of cutting height (10, 15 and 30 cm) on yield, nutritional value and chemical composition of silage corn. The experiment was carried out under dryland conditions and the silage corn was harvested with three types of self-propelled silage harvesters. Cutting height increased linearly with increasing operating speed of silage harvesters. For all types of silage harvesters, the cutting height of 30 cm had a statistically significant (p≤0.05) effect on losses of yields. The numerical value of the R2 factor (from R2 = 0.8978 to 0.9896) shows a strong dependence in all harvesters for all three cutting heights. The regression coefficients (b) show a significant deviation from the theoretical cutting height at 10 and 15 cm (b = 0.6676 and b = 0.6715), and very significant (b = 2.0249) at the theoretical cutting height of 30 cm. With an increase in cutting height, the nutritional value of silage increased. At a cutting height of 30 cm, during the test period in all types of harvesters, the crude protein (CP) content was significantly (p≤0.05) higher than at a cutting height of 10 cm (harvester C = 6.94% at 10 cm, harvester B = 8.15% at 30 cm). The cutting height of 30 cm influenced a significantly (p≤0.05) lower crude fiber (CF) content of harvester Claas Jaguar 850 (21.19%), compared to John Deere 6810 (24.33%) at a height of 10 cm. The crude ash content (CAsh) did not vary significantly under the influence of cutting height. Starch content was statistically higher (p≤0.05) in all types of silage harvesters during the test at a cutting height of 30 cm (28.2% harvester New Holland FX 28, 33.8% harvester Claas Jaguar 850). The content of calcium (Ca) was significantly higher at a height of 30 cm for harvesters John Deere 6810 and Claas Jaguar 850 in the third year, while no significant difference was found for harvester New Holland FX 28. For phosphorus (P), there was no significant difference depending on the cutting height, but it did exist depending on the year.

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Harvest Time Effect on Quantitativeandqualitative Parameters of Forage Maize

Cited by 3 publications

References 15 publications

Yield, Quality and Nitrogen Use of Forage Maize under Different Nitrogen Application Rates in Two Boreal Locations

Yield, Quality and Nitrogen Use of Forage Maize under Different Nitrogen Application Rates in Two Boreal Locations

Response of forage maize yield and quality to mulch film and harvest time in Northern Europe

Nutritional Value and Chemical Composition of Corn Silage Depending on Cutting Height and Forage Losses

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