Effects of different nitrogen doses and cultivars on fermentation quality and nutritive value of Italian ryegrass (Lolium multiflorum Lam.) silages

Ertekin, İbrahim; Atiş, İbrahim; AYGÜN, Yusuf Ziya; Yilmaz, Şaban; Kizilşimşek, Mustafa

doi:10.5713/ab.21.0113

Cited by 17 publications

(22 citation statements)

References 28 publications

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“…Furthermore, lower contents of DM and WSC led to more protein degradation during ensiling of Italian ryegrass (Guo et al, 2014). The silage had higher NH 3 -N and lactic acid contents, which was related to the metabolic activities of plant proteases and lactic acid bacteria, and some studies had also found a similar tendency (Ertekin et al, 2022). On the other hand, the DM content of the second cut was higher than that of the first cut (p < .001).…”

Section: Silage Fermentation Qualitymentioning

confidence: 81%

Influences of no‐tillage on the yield and silage fermentation quality of Italian ryegrass

Tian

et al. 2023

Grassland Science

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It is common in southern China that rice (Oryza sativa L.) fields are sown with a cover crop like Italian ryegrass (Lolium multiflorum L.) following autumn harvest. The objective of the present research was to compare the effects of different no‐tillage methods on the yield, nutritive composition and silage fermentation quality of Italian ryegrass. Italian ryegrass was planted in winter fallow paddy fields on 9 days (NT9) and 5 days (NT5) prior to rice harvest and on 1 day after rice harvest for 2 years. Sowing prior to harvest was no‐tillage, and sowing after rice harvest was either no‐tillage (NT1) or conventional tillage (CK). The grass was harvested and ensiled two times each year. The growing year had no significant effects on the yield and most nutrition components, while it had significant effects on pH value, butyric acid and NH3‐N contents of silage. There were no differences in the yield, nutritional composition and silage fermentation quality among sowing methods. The neutral detergent fiber and acid detergent fiber of NT1 decreased slightly compared with NT9, NT5 and CK (p > .05). There was no difference in silage fermentation quality among the four treatments. The best sowing method for Italian ryegrass with second cut in winter fallow paddy was no‐tillage sowing after rice harvest.

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Section: Silage Fermentation Qualitymentioning

confidence: 81%

Influences of no‐tillage on the yield and silage fermentation quality of Italian ryegrass

Tian

et al. 2023

Grassland Science

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“…While some forb species may limit the preparation of high‐quality silage when present in large proportions or harvested at an advanced stage of maturity (e.g., Heracleum sphondylium L.), other forbs such as Anthriscus sylvestris (L.) Hoffm., Ranunculus acris L., Ranunculus repens L. or Taraxacum officinale aggr ., are characterized by a comparable ensilibility as ryegrasses (Wyss & Vogel, 1999). However, the silage quality of forage from species‐rich grasslands is often inferior to silage prepared from intensively managed swards based on grass‐ or legume species (Ertekin et al, 2022; Ineichen et al, 2019; Lee et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Ensilibility and protein degradation characteristics of forage from mountain grasslands containing tanniferous species

Ineichen

Seiler

Wyss

et al. 2023

Grass and Forage Science

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Ensiling forage from species‐rich mountain grasslands is challenging. Low concentrations of fermentable carbohydrates and the coarse morphological structure of the forage promote the activity of butyric acid forming bacteria. This is associated with the formation of ammonia from protein degradation, resulting in an insufficient pH decline. On the other hand, forage from species‐rich swards may contain tanniferous plant species which contain varying contents of condensed tannins (CT). Therefore, the silage quality of forage prepared from species‐rich mountain grasslands and the role CT may play in silage fermentation was studied. A set‐up of two long‐term mineral fertilization field experiments, located in the Jura mountains and the Alps in Switzerland were used to obtain forage with contrasting species and chemical composition. Collection was done during both the generative and vegetative growth stage from three differently fertilized swards: unfertilised (“0”), fertilized with phosphorus and potassium (“PK”) or fertilized with PK and nitrogen (“NPK”). The forage was wilted to approximately 37% dry matter (DM), chopped to 2 cm lengths and ensiled for at least 65 days as laboratory‐scale silages. The wilted forage was characterized by concentrations of crude protein between 117 and 130 g/kg DM and water‐soluble carbohydrates varying from 84 to 148 g/kg DM. Concentrations of CT ranged from 6 g to 14 g/kg DM and those of soluble CT from 1.8 to 7.6 g/kg DM. All silages contained butyric acid, irrespective of the type of fertilization or harvest stage (range: 1.5 g to 16 g/kg DM). Concentrations of acetic and lactic acid ranged from 2.1 g to 15.0 g/kg DM and from 21.0 to 44.0 g/kg DM, respectively. Concentrations of unfermented sugar remained high and pH levels were above those expected. Formation of non‐protein‐N (NPN) increased in the range of 130 to 264 g/kg N from wilted to ensiled forage. The negative correlations of CT or soluble CT contents with ammonia‐N or NPN in silage were found in both forage from the generative and vegetative harvests indicating a possible relationship with protein degradation during ensiling.

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“…Suitable climatic conditions are also one of the most important factors to reach the desired yield (Ertekin et al, 2019;Ertekin et al, 2022) and fiber quality in cultivars (Van Esbroeck and Bowman, 1998). Although there is a very strong cotton production structure in our country, there are many problems that can negatively affect this strong structure.…”

Section: Introductionmentioning

confidence: 99%

Yield and Fiber Quality Characteristics of Some Cotton (Gossypium hirsutum L.) Cultivars Grown in the Southeastern Anatolian Conditions

Aslan¹,

AYGÜN

Mert

2022

Turkish Journal of Field Crops

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The aim of this study was to determine cotton cultivars in terms of high yield and fiber technological properties in Southeastern Anatolia ecological conditions. For this purpose, the study was carried out with 11 cotton (G. hirsutum L.) cultivars in 2019 and 2020. Field experiment was designed based on randomized complete block design with four replications. As a result of the study, it was observed that all yield and quality parameters were affected by the cultivar, except for the number of monopodia, fiber strength and fiber fineness. It was determined that cv. Edessa and cv. Pg 2018 were superior to other cultivars in terms of seed cotton yield, in respectively 4006.25 kg ha-1, 3971.42 kg ha-1. While these cultivars had higher fiber yield than all others, they were the least affected by the year difference. Cv. Pg 2018 also had the highest plant height and lint percentage. It was concluded that cv. Edessa and cv. Pg 2018 are more suitable for cultivation in Batman ecological conditions.

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Effects of different nitrogen doses and cultivars on fermentation quality and nutritive value of Italian ryegrass (Lolium multiflorum Lam.) silages

Cited by 17 publications

References 28 publications

Influences of no‐tillage on the yield and silage fermentation quality of Italian ryegrass

Influences of no‐tillage on the yield and silage fermentation quality of Italian ryegrass

Ensilibility and protein degradation characteristics of forage from mountain grasslands containing tanniferous species

Yield and Fiber Quality Characteristics of Some Cotton (Gossypium hirsutum L.) Cultivars Grown in the Southeastern Anatolian Conditions

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