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Academic literature on the topic 'Sorghum – Harvesting time'
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Journal articles on the topic "Sorghum – Harvesting time"
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Hanzhenko, O. "Energy productivity of sugar sorghum in the central part of the Forest-steppe of Ukraine depending on the harvesting time." Agrobìologìâ, no. 1(163) (May 25, 2021): 23–31. http://dx.doi.org/10.33245/2310-9270-2021-163-1-23-31.
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Due to global climate change, sugar sorghum (Sorghum saccharatum), due to its fast growth rate, early maturation, efcient use of water and limited need for fertilizers, is the most promising plant for biofuel production in the world. The article presents the results of the study on establishing the dependence of sugar sorghum energy performance indicators on varietal characteristics (varieties 'Silosne 42' and 'Favorit' and hybrids 'Dovista' and 'Medoviy F1') and the green biomass harvesting time. The purpose of the research was to establish the influence of varietal characteristics and harvesting time on sugar sorghum energy productivity in the zone of unstable moisture in the Central part of the Forest-Steppe of Ukraine. The research subject is sugar sorghum energy productivity indicators (yield of green biomass; sugar content of juice; yield of biogas, bioethanol, solid biofuel; total energy yield). The studies were carried out during 2016–2020 in the zone of unstable moisture in the central part of the Forest-Steppe of Ukraine in the conditions of the Bila Tserkva Experimental Breeding Station of the Institute of Bioenergy Crops and Sugar Beet of the National Academy of Sciences of Ukraine. It has been established that the highest yield of biofuel and energy (up to 791.8 GJ/ha) is achieved under growing sugar sorghum of the 'Dovista' hybrid, provided that its biomass is collected in the phase of full seed ripeness (early October). It is advisable to start collecting sugar sorghum biomass for biogas after the panicle throwing phase. To ensure the maximum yield of bioethanol, the optimal time for harvesting green biomass of sugar sorghum is the second decade of September – the frst decade of October. The maximum yield of solid biofuel is achieved under harvesting biomass after the phase of waxy ripeness of grain. The formation of the yield of green biomass of sugar sorghum was more influenced by weather conditions (47.4 %), the influence of varietal characteristics (17.8 %) and the timing of harvesting (12.8 %) was less. But the energy yield was most influenced by the timing of harvesting biomass (37.4 %). A close linear correlation between the energy output and the yield of green (R2=0.81) and dry biomass (R2=0.99) was established. The most ecological plasticity in terms of the total energy yield per unit area turned out to be the 'Medoviy F1' hybrid (b=1.62), which indicates the prospects of growing this hybrid under favorable weather conditions and high level of agricultural technology. Key words: sugar sorghum, varietal characteristics, harvesting time, energy yield, biofuel yield, productivity.
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Umami, Nafiatul, Nofi Isnaini, and Bambang Suhartanto. "Content of Prussic Acid and Production of Sorghum Brown Midrib by Adding Urea Fertilizer and Extending Harvesting Time." ANIMAL PRODUCTION 21, no. 2 (February 25, 2020): 93. http://dx.doi.org/10.20884/1.jap.2019.21.2.562.
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Abstract. The aimed of this study to determine the effect of adding urea fertilizer (0, 50, and 100 kg/ha) and harvesting time (50, 80 and days) on prussic acid content and production of the brown midrib (BMR) sorghum plants. This study design was completely randomized factorial 3 x 3. The variables measured were prussic acid content, fresh yield, the production of dry matter (DM) and organic matter (OM). The results showed that content of prussic acid increased and highly significant with the addition of urea. The fresh yield of BMR sorghum is highest in the fertilization of 50 kg/ha and at the harvesting time 80 days. The highest DM production at fertilization 0 kg/ha and harvesting time 110 day. OM production of the highest is the addition of fertilizer 0 kg/ ha and at the harvesting time on 80 days. From the results of this study concluded that on harvesting time 80 day sorghum BMR have produces optimum and addition of urea to a level of 100 kg/ha did not affect the content of prussic acid, fresh yield, DM and OM.
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Gurmessa, Kassahun, and Zelalem Garuma. "EVALUATION OF HYDROPONIC FODDER PERFORMANCE OF DIFFERENT VARIETIES OF SORGHUM." International Journal of Research -GRANTHAALAYAH 9, no. 2 (February 11, 2021): 1–10. http://dx.doi.org/10.29121/granthaalayah.v9.i2.2021.2854.
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The hydroponic fodder yield performance evaluation of different varities of sorghum was conducted in green house of Wollega University.. Three experiments were conducted. The first was to observe effects of irrigation frequency. The second one was undertaken to evaluate four sorghum varieties (Lalo, Chemeda, Gamadi and Dano) on fodder yield, yield related components and nutritive values. The third experiment was done to determine the appropriate date of harvest for biomass yield and agronomic traits. Complete randomized design (CRD) was employed to conduct the experiment with three replications. The results showed that there was no significant difference (p>0.05) between treatments on Dry matter yield (t/ha), Leaf Weight (t/ha), Root weight (t/ha) and Plant height (cm) as effect of frequency of watering at 2hr, 3hr and 4hr interval but, significant difference (p<0.05) among varieties of sorghums as an effect of frequency of irrigation on Fresh yield(t/ha), Plant height (cm) and leaf to root ratio (LRR%).The lowest average fresh yields were harvested at 7th days after planting and consistently increased until 17th days of planting. The highest plant heights were observed at 17 days while the lowest was observed at 7th days of harvesting. Except for dry matter (DM), Ash and crude protein (CP), there were significant differences (P<0.05) in neutral detergent fiber (NDF), acid detergent fiber (ADF), acid detergent lignin (ADL) and in vitro dry matter digestibility contents of the sorghum varieties. The Sorghum variety, Gamadi contained the highest CP (13.29%) and lowest Acid detergent lignin contents. The Sorghum variety, Chemeda showed best in vitro DM digestibility (73.24%). Harvesting hydroponic sorghum at 17 days after planting gave the best biomass yield (t/ha), LRR and Plant height (cm); showing the increase in biomass as time of harvesting increases. Among the tested varieties of sorghum a variety, Dano best for biomass yield among the others.
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Kushkhov, Aslan, Natalya Berbekova, and Alena Zhurtova. "Productivity of sudan grass and sorghum-sudangrass hybrids depending on seeding rates and planting methods in the steppe dryland zone of the Kabardino-Balkarian Republic." E3S Web of Conferences 262 (2021): 01012. http://dx.doi.org/10.1051/e3sconf/202126201012.
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The article contains the results of three-year field research in the steppe dryland zone of the republic, the best options of grass sorghum cultivation, which increase the gross yield of green forage and hay were developed. Optimum planting standards for dry steppe conditions, planting and harvesting methods of Sudan grass and sorghum-Sudangrass hybrids were identified to produce a high, more energy-intensive green and dry forage of the studied crops. The quality and feed qualities of fodder for production and direct feeding to animals are determined. The crop growing time after hay harvest and quantity for feeding after harvesting are given.
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Adamen, F. F., A. V. Saplev, and S. V. Kudinov. "Development of technology elements for growing of perennial sorghum." Acta Agraria Debreceniensis, no. 61 (September 18, 2014): 15–17. http://dx.doi.org/10.34101/actaagrar/61/2032.
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Optimal sowing time for perennial sorghum under irrigation is when soil temperature at the depth of sowing reaches up to 10–11 °С, harvesting for the green mass has to be done when panicle is situated on the stem in 10 sm from the flag leaf and hight of cut must be 11 sm.
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Amaducci, Stefano, Alberto Assirelli, Marco Trevisan, Alessandra Fracasso, Enrico Santangelo, Alessandro Suardi, Angelo Del Giudice, Antonio Scarfone, and Luigi Pari. "Effects of Stem Length and Storage Duration on Sugar Losses in Sweet Sorghum." Applied Engineering in Agriculture 34, no. 2 (2018): 251–59. http://dx.doi.org/10.13031/aea.12498.
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Abstract. Sweet sorghum ( (L.) Moench) is a multi-purpose crop, yielding fuel in the form of ethanol from its stem juice, food in the form of grain, and fodder from its leaves and bagasse. The sugars utilized for bioethanol production are contained in the stalks, in an amount varying between 12% and 25% of the fresh biomass, according to the genotypes and harvesting time. However, these carbohydrates can be easily lost during harvest and post-harvest, because of wrong machinery settings and prolonged periods of exposure of the cut material to the action of fermentative agents. For these reasons, the production of biofuel from sweet sorghum is very sensitive to harvest systems and storage methods, as they can influence remarkably the final energetic yield of the crop. The main objective of the present study was to monitor the time course of dry matter and sugar content in sweet sorghum stem over a long-time storage period. The analysis was carried out by dividing the stems into portions of different length in order to test different storage configuration by varying the stem portion stored to simulate the action of different harvest machines. This work has been designed to take into account a larger storage window respect previous experimentation. The research has provided evidence that sugar loss during the storage is highly influenced by the length of the stem portion, as well as by storage conditions. Total sugar content at harvest was on average 23.2%. The decreasing of sugar content continued during the storage period but at different rate for the different portions. At the end of storage, the sugar content of the whole stem was on average 6.6%, while the smallest portion (1/16 of the whole stem) had an average content of 1.0%. Indications on best storage conditions (storage form, storage location, storage ambient condition), as well as technical details regarding new potential harvesting solutions to decrease the speed rate of sugar loss have been provided. Keywords: Biofuel, Harvesting, Storage, Sugar losses, Sweet sorghum.
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Azadi, M. S., S. A. Tabatabaei, E. Younesi, M. R. Rostami, and M. Mombeni. "Hormone Priming Improves Germination Characteristics and Enzyme Activity of Sorghum Seeds (Sorghum Bicolor L.) Under Accelerated Aging." Cercetari agronomice in Moldova 46, no. 3 (September 1, 2013): 49–56. http://dx.doi.org/10.2478/v10298-012-0092-8.
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Abstract Maximum germination percentage achieves immediately after harvesting and gradually decreases with storage time. Aging is one of the key factors in plant yield loss especially in vegetables. Seed aging is the main problem of seed storage. Application of accelerated aging treatment is used to assess seed vigor and quality. Seed priming enhances seed germination performance after aging. An experiment was conduct in order to investigate the activity of catalase and ascorbate peroxidase during accelerated aging and repair during priming treatment of sorghum seeds. In order to improve germination characteristics in aged seeds with seed priming. Our result showed that seed priming treatments significantly (p≤ 0.01) affected, germination percentage, germination index and means time to germination after aging (0, 3 and 6 days). Increasing aging duration resulted higher reduction in germination characteristics. Priming with gibberelic acid (GA), salicylic acid (SA) and ascorbic acid (ASC) increased germination characteristics of seed aged. The highest germination percentage, germination index, normal seedling percentage and enzyme activity were achieved in control conditions (0 day of aging). Antioxidant activity of aged seeds increased after seed priming.
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Chemere, Befekadu, Jiyung Kim, Baehun Lee, Moonju Kim, Byongwan Kim, and Kyungil Sung. "Detecting Long-Term Dry Matter Yield Trend of Sorghum-Sudangrass Hybrid and Climatic Factors Using Time Series Analysis in the Republic of Korea." Agriculture 8, no. 12 (December 11, 2018): 197. http://dx.doi.org/10.3390/agriculture8120197.
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Despite the gradual increase in livestock feed demands, the supply faces enormous challenges due to extreme climatic conditions. As the presence of these climatic condition has the potential to affect the yield of sorghum-sudangrass hybrid (SSH), understanding the yield variation in relation to the climatic conditions provides the ability to come up with proper mitigation strategies. This study was designed to detect the effect of climatic factors on the long-term dry matter yield (DMY) trend of SSH using time series analysis in the Republic of Korea. The collected data consisted of DMY, seeding-harvesting dates, the location where the cultivation took place, cultivars, and climatic factors related to cultivation of SSH. Based on the assumption of normality, the final data set (n = 420) was generated after outliers had been removed using Box-plot analysis. To evaluate the seasonality of DMY, an augmented Dickey Fuller (ADF) test and a correlogram of Autocorrelation Function (ACF) were used. Prior to detecting the effect of climatic factors on the DMY trend, the Autoregressive Integrated Moving Average (ARIMA) model was fitted to non-seasonal DMY series, and ARIMA (2, 1, 1) was found to be the optimal model to describe the long-term DMY trend of SSH. ARIMA with climatic factors (ARIMAX) detected significance (p < 0.05) of Seeding-Harvesting Precipitation Amount (SHPA) and Seeding-Harvesting Accumulated Temperature (SHAMT) on DMY trend. This does not mean that the average temperature and duration of exposure to sunshine do not affect the growth and development of SSH. The result underlines the impact of the precipitation model as a major factor for the seasonality of long-term DMY of SSH in the Republic of Korea.
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Schneider, Cibele Regina, Neliton Flores Kasper, Thiago Arraes, Édipo Alex Malavota Ramão, Rosane Berinin, Tatiane Fernandes, Cleiton José Ramão, and Deise Dalazen Castagnara. "Use of rizostar in the production of sorghum silages." Research, Society and Development 9, no. 10 (October 27, 2020): e9349109404. http://dx.doi.org/10.33448/rsd-v9i10.9404.
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This study aimed to evaluate the development of culture, mass production, and the silage nutritional value of sorghum under three nutrients fonts. The experiment was conducted as a block randomized design, with three treatments and six replications. The treatments consisted of fonts fertilizations in showing: Monoammonium Phosphate, with 90.0 kg ha-1, and Rizostar with 37.5 kg ha-1 and 45.0 kg ha-1 doses. The productive parameters of the plants were evaluated at 30 days and at the time of harvesting the plants for silage, in addition to the nutritional value of the silages. The materials presented expressive productions, with averages of 43846; 43346; 44002; and 35674 kg ha-1 of green matter. The Maxisilo sorghum hybrid presented the highest levels of acid detergent fiber (ADF), with a mean of 471.42 g kg-1 dry matter (DM). Crude protein (CP) contents in each hybrid remained constant over time, presenting mean values of 74.37; 65.26; 54.44; 78.43 g kg-1. The mean total digestible nutrients values found in the Dominator sorghum hybrid were 657.34 g kg-1, being higher than the others. After long storage periods, the nutritional parameters of the materials remained stable in their CP, DM, NDF, and ADF values. The aerobic exposure nutritionally deteriorated silages. Fertilization with Rizostar 45, does not influence the final level of plants, fresh raw materials, and dry raw materials, besides significantly increasing the use of samples.
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Rjadnov, Aleksey I., Vyacheslav F. Fedorenko, Olga A. Fedorova, Nikolay P. Mishurov, and Svetlana A. Davydova. "Improvements in Broom Corn Harvesting Process." Engineering Technologies and Systems 29, no. 4 (December 31, 2019): 635–51. http://dx.doi.org/10.15507/2658-4123.029.201904.635-651.
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Introduction. Solving the problem of harvesting broom corn (Sorghum vulgare var. technicum) with minimal expenditure of labor and resources, and high quality is possible through improving existing or developing new processes and equipment for harvesting. At the same time, the proposed new processes and equipment should ensure the reduction or complete elimination of the share of manual labor. The purpose of the work is to improve the process for harvesting of broom corn based on a complex performance criterion. Materials and Methods. The methodological basis for choosing an effective process for harvesting broom corn was the theory of efficiency of technical systems. According to it, the latter is estimated using the value of a complex criterion that includes a set of particular indicators and their relative importance. Results. It is proposed to evaluate the efficiency of the broom corn harvesting process according to a complex criterion that takes into account particular indicators and their relative importance. A developed process for harvesting broom corn includes: threshing of standing broom corn in the direct flow offset threshing chamber of a combine harvester with simultaneous mowing of the threshed plants using the combine harvester thresher; collecting the threshed and mown plants in the tractor trailer and the threshed grain in the hopper; transportation of threshed and cut plants to the place of storage; and stacking of threshed plants with drying them using active ventilation. Based on experimental studies, the values of all the studied particular indicators and their coefficients of relative importance were determined; a comprehensive performance criterion for the existing process for broom corn harvesting and the proposed process was calculated. Discussion and Conclusion. The calculated values of coefficients K* 1 and K* 2 for the existing and proposed processes for harvesting broom corn were used to determine the complex performance criterion, which is φ(Wi) = 15.54 for the existing process and φ(Wi) = 2588.75 for the proposed one respectively. According to the complex criterion, the proposed harvesting process is more efficient than that currently used more than 160 times.
Dissertations / Theses on the topic "Sorghum – Harvesting time"
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Dickerson, John Thomas. "Yield, composition, and nutritive value of forage sorghum silages: hybrid and stage of maturity effects /John Thomas Dickerson." 1986. http://hdl.handle.net/2097/27616.
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Smith, Russell Leon. "Yield, composition, and nutritive value of grain sorghum harvested as silage: stage of maturity and processing effects." 1986. http://hdl.handle.net/2097/22153.
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