Effect of Nitrogen Levels and Cutting Management on Nitrogen Content, Protein Content and Protein Yield of Fodder Oat (Avena sativa L.)

Kumar, Bollaveni Sathish; Singh, Reena; Gupta, Akhilesh; Ravinder, J.

doi:10.20546/ijcmas.2017.607.245

Cited by 12 publications

(21 citation statements)

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“…Green fodder yield was higher due to the fact that it is directly proportional to N application. These results were in agreement with those in [34], in which green fodder yield was highly linked with nitrogen levels up to 160 kg ha −1 and the regression coefficient was 0.997. Nitrogen management using GreenSeeker TM significantly affected photosynthetic rate (Table 8).…”

Section: Days To Boot Stagesupporting

confidence: 92%

Optical-Sensor-Based Nitrogen Management in Oat for Yield Enhancement

et al. 2021

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The deficiency of nitrogen (N) in soil restricts agricultural productivity and its overdosage pollutes the atmosphere. Nitrogen is a vital component of protein, chlorophyll and various physiological processes. When it is applied at a recommended dose, it may be lost through fixation, leaching, volatilization and denitrification, etc. Therefore, there is a dire need to harmonize the supply of nitrogen according to crop and soil requirements. Under this situation, precision nitrogen management is one of the best options. GreenSeekerTM is an integrated optical sensor with a variable application rate and mapping system that measures crops’ nitrogen requirements. To ascertain the abovementioned facts, a research study was conducted at the National Agriculture Research Center, Islamabad, Pakistan, to examine the response of fodder oat to nitrogen management (N0 = control, N1 = 80 kg ha−1 basal dose, N2 = 40 + 40 kg ha−1 split doses, N3 = 40 kg ha−1 with one-time management with GreenSeekerTM and N4 = 20 kg ha−1 with two-time management with GreenSeekerTM) and seed rate (S1 = 80, S2 = 100, S3 = 120 and S4 = 140 kg ha−1). Data were recorded on the agronomic and physiological aspects of the crop and economic analysis was performed for GreenSeekerTM-based N application against the conventional recommended dose of nitrogen application. Mean values showed that greater number of tillers plant−1 (6), fresh weight (16572 kg) and photosynthetic rate (11.64 mmol m−2 s−1) were noted in the treatment N4 (20 kg ha−1 and two-time management with GreenSeekerTM). Greater plant height (70.8 cm) and leaf area (64.14 cm2) were recorded in treatment N2 (40 + 40 kg ha−1 split doses) as compared to the control. The effects of nitrogen on fodder oat were forecasted through NDVI. The results suggested that nitrogen treatment N4 (18 kg ha−1) managed by GreenSeeker in the PARC Oat cultivar produced the maximum NDVI value (0.68) at the booting stage among all treatments. The correlation of NDVI at the tillering and booting stages with green fodder yield was positive (R2 = 0.80). Therefore, the tillering and booting stages can be good depictive stages at early and later growth stages of fodder oat under the agro-climatic conditions of Islamabad, Pakistan. Based on the results, it is recommended to apply an initial dose of 20 kg ha−1 nitrogen along with two-time management with GreenSeekerTM for obtaining more green fodder yield in fodder oat. In Crux, with N1, a total of 80 kg ha−1 nitrogen was applied to achieve an estimated net profitability of USD 582.13. With N4, a total 58 kg ha−1 nitrogen was used to achieve a net profitability of USD 836.16; therefore, this treatment was found to be environmentally safe as compared to N1 (80 kg ha−1).

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Section: Days To Boot Stagesupporting

confidence: 92%

Optical-Sensor-Based Nitrogen Management in Oat for Yield Enhancement

et al. 2021

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“…There is definitely variability in the growth rate of genotypes at variable climatic conditions and consequently, in their adaptation to the cool climate. The genotypes having high biomass is always preferred for fodder production (Kumar et al 2017). Therefore, selection of high-yielding genotypes with midrange of adaptability to edaphic and environmental conditions is very essential to increase yield per hectare (Tahir et al 2009).…”

Section: Introductionmentioning

confidence: 99%

Interactive effect of planting dates and development stages on digestibility, qualitative traits and yield of forage oat (Avena sativa L.) genotypes

Kaur

Goyal

Kaur

et al. 2021

CEREAL RESEARCH COMMUNICATIONS

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This study provides insight into variation in nutritional composition and yield with staggered planting and growth stages. These variations offer the opportunity for the production of better quality forage oat. In the current investigation, the effect of staggered planting dates (Oct 9, Oct 24, Nov 13, Nov 26, Dec 11 and Dec 26) and growth stages (40, 50 and 60 DAS) was studied through field experiment during Rabi season (2018-19 and 2019-20) in oat. Two genotypes with differential growth potential were used, OL-10 being fast-growing with high regeneration potential and OL-11 the slow-growing single-cut variety. The optimum (Oct 24) and sub-optimum (Oct 9 and Nov 13) planting dates were characterized by higher dry matter (DM), ether extract (EE), acid detergent fibre (ADF), neutral detergent fibre (NDF) and chlorophyll content in comparison with late planting (Nov 26, Dec 11 and Dec 26). However, crude protein (CP), non-protein nitrogen (NPN) and in vitro dry matter digestibility (IVDMD) increased with delay in planting time. Meanwhile, the quality attributes except DM, ADF and NDF got declined with advancing maturity of vegetative fractions of plant. The multivariate regression model depicted 88.2% association between quality traits and digestibility. Yield and yield attributes got declined with delay in planting time during both the studied years. Overall, staggered planting and stage of harvest resulted in modifications in the nutritive value and crop yield in forage oat genotypes. OL-10 had higher yield potential and better nutritive value as compared to OL-11 genotype.

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“…The R 2 values suggested a strong correlation between leaf area and the net photosynthetic rate and also between the protein content and N content [Figure 1]. This further strengthened that the leaf area and N content [Tables 6 and 8] which was increased by the wastewater irrigation and also along with the combination of fertilizers led to increase in the yield and also the protein content [Table 9] [40].…”

Section: Physiological Parametersmentioning

confidence: 71%

Modulation of photosynthesis, nitrogen fixing ability, and yield attributes of Chickpea (Cicer arietinum L.) to interactive effect NPK fertilizers and municipal wastewater irrigation

Tak¹

2021

J App Biol Biotech

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In recent years, the urban wastewater of marginal quality is increasingly being used to irrigate lands for growing crops. However, water reuse in agriculture needs specific studies to evaluate its safe use depending upon the choice of the crop and soil type. A pot experiment was therefore, conducted to investigate the effect of different fertilizer combinations, that is, nitrogen, phosphorus and potassium (NPK) on chickpea (Cicer arietinum L.) irrigated with sewage wastewater (WW), and ground water (GW). The objective of this experiment was to evaluate optimal fertilizer requirement based on growth, physiological determinants, and the yield of chickpea under wastewater irrigation. Results revealed the positive influence of wastewater and optimal growth and yield of the crop were obtained with a relatively lower fertilizer combination of N 30 P 60 K 40 when irrigated with wastewater. Physiological parameters of plants being irrigated with wastewater were also enhanced when compared to ground water irrigated plants and it was expressed by significant improvement in the yield parameters of the crop. The nutrients present in wastewater therefore proved beneficial for the crop yield and also reduced the nutritional requirement of the crop to be supplied in the form of fertilizers. It can therefore serve not only as an alternative disposal of wastewater but even supplement the nutritional requirement of the crop. However, its long-term usage needs to be closely monitored for any heavy metal buildup in soil as their presence in wastewater could be a cause of concern.

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Effect of Nitrogen Levels and Cutting Management on Nitrogen Content, Protein Content and Protein Yield of Fodder Oat (Avena sativa L.)

Cited by 12 publications

References 1 publication

Optical-Sensor-Based Nitrogen Management in Oat for Yield Enhancement

Optical-Sensor-Based Nitrogen Management in Oat for Yield Enhancement

Interactive effect of planting dates and development stages on digestibility, qualitative traits and yield of forage oat (Avena sativa L.) genotypes

Modulation of photosynthesis, nitrogen fixing ability, and yield attributes of Chickpea (Cicer arietinum L.) to interactive effect NPK fertilizers and municipal wastewater irrigation

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