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Journal articles on the topic 'Optimal sowing'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

AMMAIYAPPAN A., V. GEETHALAKSHMI, K. BHUVANESWARI, M.K. KALARANI, N. THAVAPRAKAASH, and M. PRAHADEESWARAN. "Long-term response of rainfed sorghum to diverse growing environments and optimal sowing window at Coimbatore." Journal of Agrometeorology 25, no. 4 (2023): 532–38. http://dx.doi.org/10.54386/jam.v25i4.2362.

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Rainfed sorghum production is profoundly vulnerable to climate variability. Sowing the crop at an appropriate time could be one of the most crucial climate-resilient options to improve the yield. The well-calibrated and validated CERES-Sorghum model was employed to study the rainfed sorghum response to varied environments over the long term (1983–2021) and to determine the optimum sowing window at Coimbatore, Tamil Nadu. The CERES-Sorghum model was used for automatic-planting with a different minimum threshold of 50,60,70 and 80 percent soil water content at 15 cm soil depth under various sowi

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Bell, M. "Effect of sowing date on growth and development of irrigated peanuts, Arachis hypogaea L. cv. Early Bunch, in a monsoonal tropical environment." Australian Journal of Agricultural Research 37, no. 4 (1986): 361. http://dx.doi.org/10.1071/ar9860361.

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An experiment was conducted to study the effect of sowing date on the growth and development and commercial yield of Early Bunch peanuts under irrigation in the monsoonal tropical environment of the Ord River Irrigation Area. Sowing dates, which ranged from 7 December to 1 March, represented a wider range than that currently considered optimal for peanuts in this environment. Differences in above-ground dry matter production among sowing dates were primarily the result of differences in cumulative interception of incident light due to different leaf area duration. Later sowings showed progress

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Melnik, V. I., Yu A. Bondarenko, Yu A. Brovka, and M. A. Khitrykau. "Determination of optimal sowing periods for winter crops on the territory of Belarus in the context of modern climate change." Hydrometeorological research and forecasting 1 (March 30, 2022): 108–27. http://dx.doi.org/10.37162/2618-9631-2022-1-108-127.

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Criteria of cumulative temperatures for the calculation of optimal sowing periods for winter grain crops (wheat, triticale, rye) were specified on the basis of monitoring data from the hydrometeorological observation network, results of tilling capacity studies, and literary sources. The optimal sowing periods and average air temperature for these periods were determined, which provide the highest correlation between the beginning and end of the sowing periods for winter crops. The equations of the relationship between the dates of the beginning and end of winter grain crop sowing at the obser

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Mkuhlani, Siyabusa, Eduardo Garcia Bendito, Abdullahi I. Tofa, et al. "Spatial and temporal distribution of optimal maize sowing dates in Nigeria." PLOS ONE 19, no. 5 (2024): e0300427. http://dx.doi.org/10.1371/journal.pone.0300427.

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Climate change and inter-annual variability cause variation in rainfall commencement and cessation which has consequences for the maize growing season length and thus impact yields. This study therefore sought to determine the spatially explicit optimum maize sowing dates to enable site specific recommendations in Nigeria. Gridded weather and soil data, crop management and cultivar were used to simulate maize yield from 1981–2019 at a scale of 0.5°. A total of 37 potential sowing dates between 1 March and 7 November at an interval of 7 days for each year were evaluated. The optimum sowing date

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5

Awala, Simon Kamwele, Kudakwashe Hove, Johanna Shekupe Valombola, et al. "Co-Cultivation and Matching of Early- and Late-Maturing Pearl Millet Varieties to Sowing Windows Can Enhance Climate-Change Adaptation in Semi-Arid Sub-Saharan Agroecosystems." Climate 11, no. 11 (2023): 227. http://dx.doi.org/10.3390/cli11110227.

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In semi-arid regions, climate change has affected crop growing season length and sowing time, potentially causing low yield of the rainfed staple crop pearl millet (Pennisetum glaucum L.) and food insecurity among smallholder farmers. In this study, we used 1994–2023 rainfall data from Namibia’s semi-arid North-Central Region (NCR), receiving November–April summer rainfall, to analyze rainfall patterns and trends and their implications on the growing season to propose climate adaptation options for the region. The results revealed high annual and monthly rainfall variabilities, with nonsignifi

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Chae, SeEun, Pyeong Shin, JongTag Youn, JwaKyung Sung, and SeungHo Jeon. "The Effect of Sowing Date on Soybean Growth and Yield Under Changing Climate in the Southern Coastal Region of Korea." Agriculture 15, no. 11 (2025): 1174. https://doi.org/10.3390/agriculture15111174.

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Sowing date significantly affects plant growth, development, and yield, holding a crucial role in soybean cultivation. This study was conducted in the southern coastal region of Korea under recent climate change conditions to investigate the effects of five different sowing dates on climatic characteristics, growth, and yield. Compared to historical data, the southern coastal region has experienced a consistent increase in average temperature during the soybean cultivation period, along with frequent abnormal summer climate events such as concentrated heavy rainfall and monsoons. These climate

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7

Hutsol, Galina, and Ivanna Ovcharuk. "INFLUENCE OF SOWING TIMES ON AUTUMN GROWTH AND DEVELOPMENT OF WINTER WHEAT." Agriculture and Forestry, no. 2 (33) (May 31, 2024): 23–31. https://doi.org/10.37128/2707-5826-2024-2-2.

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The optimal temperature for the germination of winter wheat seeds is 12-18 °C, the minimum temperature is 1-2 °C, and the maximum temperature is 36-38 °C. The optimal time for sowing winter wheat, taking into account global warming, is determined by the average daily air temperature, which should be 14-16 °C. At this temperature, winter wheat seedlings appear on the 7-9th day, and at a temperature of 20 °C - on the 5-6th day. Weeding begins after the formation of 3-4 leaves in plants, approximately 23-27 days after the emergence of seedlings. It has been established that at the optimal time fo

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Popov, A. S. "Lazurit winter wheat seeding rates in dependence to the predecessors and time of sowing in the Rostov region." Agricultural Science Euro-North-East 20, no. 6 (2019): 548–56. http://dx.doi.org/10.30766/2072-9081.2019.20.6.548-556.

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The study is aimed at determining the optimal seeding rates for durum winter wheat Lazurit variety by various seeding dates that would provide the highest grain yield in the conditions of Rostov region. The research was carried out in 2016-2018 on ordinary chernozem after different predecessors for winter wheat (black fallow and sunflower). Studied were: the seeding rates (3 mln, 4 mln, 5 mln viable seeds per hectare after the black fallow predecessor; 5 mln, 6 mln ,7 mln viable seeds per hectare after the sunflower predecessor), and the sowing date (the 10th,20th,30th of September, the10th of

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9

Shpanev, A. M., and M. N. Berim. "Species diversity and abundance of aphids on spring rapeseed at the Menkovo branch of Agrophysical Research Institute." Oil Crops 1, no. 201 (2025): 90–95. https://doi.org/10.25230/2412-608x-2025-1-201-90-95.

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In recent years, in the North-West region and the Leningrad region in particular, there has been a deterioration in the phytosanitary condition of spring rapeseed sowings, caused by an increase in the areas under this crop and an increase in the duration of its cultivation in farms. The aim of the research was to study the species diversity, abundance, structure of the aphid complex and population dynamics in spring rapeseed sowings at the agroecological station of the Menkovo branch of the Agrophysical Research Institute (Leningrad region). The research was carried out in 2021–2022 with the u

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Lente, Ádám. "The Examination of Some Determining Elements of Efficient Practical Sweet Corn Growing." Acta Agraria Debreceniensis, no. 36 (November 2, 2009): 81–85. http://dx.doi.org/10.34101/actaagrar/36/2796.

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We did the detailed agronomy examination and assessment of sweet corn cropping technology by analysing the data of TONAVAR Ltd. The Ltd. developed a special sowing construction which is based on band application of main sowing and double growing. In main sowing they use super sweet hybrids, and in double growing they use normal sweet varieties. In double growing sugar peas and the sweet corn can be cultivated together successfully. In every two years appearing sugar peas has a good effect on the sweet corn growing in monoculture. At the same timethe long-term successfulness of this questionabl

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Rushing, J. B., and B. S. Baldwin. "Optimal sowing depth for southeastern wildrye (Elymus glabriflorus)." Native Plants Journal 16, no. 3 (2015): 243–48. http://dx.doi.org/10.3368/npj.16.3.243.

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Sandhu, S. S., Prabhjyot Kaur, K. K. Gill, and B. B. Vashisth. "The effect of recent climate shifts on optimal sowing windows for wheat in Punjab, India." Journal of Water and Climate Change 11, no. 4 (2019): 1177–90. http://dx.doi.org/10.2166/wcc.2019.241.

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Abstract The productivity of wheat is highly vulnerable to climate change. Optimizing the sowing period of a crop may be one of the most important climate resilient strategies to optimize yield. First, the CERES-Wheat model was used to analyze effects of climate change on the optimum sowing window of wheat. Second, it was used to determine the optimum sowing window for different zones within Punjab state, India. The simulation results suggested that climate change has caused a shift in the optimum sowing window of wheat. The current (2006–2015 weather data) optimum sowing window is 22–28 Octob

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Fadeeva, Irina, Marsel Tagirov, Ilyas Gazizov, and Fail' Kurmakaev. "INFLUENCE OF SOWING DATES AND SEEDING RATES ON PRODUCTIVITY OF WINTER WHEAT VARIETIES IN THE REPUBLIC OF TATARSTAN." Vestnik of Kazan State Agrarian University 15, no. 2 (2020): 53–58. http://dx.doi.org/10.12737/2073-0462-2020-53-58.

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In 2018-2019 in the Republic of Tatarstan the studies were carried out to study the effect of sowing dates and seeding rates on productuvuty of new varieties of winter wheat to identify the optimal elements of cultivation technology. The experiment scheme provided for the study of the following options: variety (factor A) - Darina, Universiada, Sultan; sowing time (factor B) - September 1 ... 2 (first, optimal), September 15 ... 17 (second); seeding rate (factor C) - 5.0; 5.5; 6.0; 6.5 million viable seeds per hectare. The predecessor is pure steam. Plot area 25 m2. The formation of the grain

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Li, Liwei, Guangwei Wu, Zhijun Meng, et al. "Design of Positive Pressure Re-Acceleration Assisted Seeding Mechanism for Corn Based on CFD-EDEM Gas-Solid Coupling Simulation." Agriculture 14, no. 11 (2024): 1927. http://dx.doi.org/10.3390/agriculture14111927.

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This study proposes a positive pressure re-acceleration assisted seeding mechanism and analyzes the motion mechanism of corn seeds during the seeding process. By employing the CFD-EDEM gas-solid coupling simulation analysis method, the fluid characteristics, initial ejection velocity of seeds, seed dropping time difference, and sowing position difference in the seeding mechanism under different structural parameters of the air pressure valve body were investigated. The optimal structural parameters of the air pressure valve body were determined (nozzle gap c = 0.6 mm, throat constriction diame

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15

Nagy, J. "Effect of sowing date on the yield and quality of maize hybrids with different growing seasons." Acta Agronomica Hungarica 57, no. 4 (2009): 389–99. http://dx.doi.org/10.1556/aagr.57.2009.4.1.

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The yield, protein and starch content of Martonvásár maize hybrids belonging to different FAO groups were examined in experiments involving early, optimal and late sowing dates in two different years (drought — 2007, favourable water supplies — 2008) on a calcareous chernozem soil with loam texture at the Látókép Experimental Station of the Centre of Agricultural Sciences and Engineering, University of Debrecen.Sowing date had a significant effect on maize grain yield in the dry year. The grain yields of hybrids with longer growing periods were significantly higher than those with shorter grow

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16

Ragán, Péter, Károly Bakó, and Gergő Sedlák. "Impact of environmental changes resulting from different sowing dates on maize yield." Acta Agraria Debreceniensis, no. 55 (February 25, 2014): 99–104. http://dx.doi.org/10.34101/actaagrar/55/1917.

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Three Debrecen maize hybrids of different genotypes (Debreceni 285, Debreceni 377 and Debreceni 382) were examined on chernozem soil in a field experiment. During the two years of the experiment (2009–2010), we wanted to get to know how the examined hybrids reach to different sowing dates and what impact early, optimal and late sowing has on yield. In 2009, balanced soil and air temperature resulted in steady emergence. However, the low temperature in early April and the cooling down in mid-May 2010 caused a delayed emergence. The grain moisture content at harvesting and the high y

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17

Yau, Sui-Kwong. "Optimal sowing time and seeding rate for winter-sown, rain-fed chickpea in a cool, semi-arid Mediterranean area." Australian Journal of Agricultural Research 56, no. 11 (2005): 1227. http://dx.doi.org/10.1071/ar05074.

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Chickpea (Cicer arietinum) is one of the 3 most important legume crops in West Asia and North Africa. Winter sowing of chickpea has been advocated recently in the region, but detailed research on date and rate of sowing has not been conducted. The objectives of this study were to find the optimal sowing month and to test the hypothesis that a lower than normal seeding rate is needed for winter-sown chickpea. Two series of field experiments were conducted under rain-fed conditions at the Agricultural Research and Educational Center in the Bekaa Valley of Lebanon. In the sowing-date experiment,

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18

Agoungbome, Sehouevi Mawuton David, Marie-Claire ten Veldhuis, and Nick van de Giesen. "Optimal Sowing Windows under Rainfall Variability in Rainfed Agriculture in West Africa." Agronomy 13, no. 1 (2023): 167. http://dx.doi.org/10.3390/agronomy13010167.

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Climate change is exacerbating adverse impacts of water stress in rainfed agriculture. This paper seeks to identify safe sowing windows for smallholder farmers in the Sudanian region of West Africa (WA). We hypothesize that the traditional focus on the onset of the season to start sowing leads to crop losses in years of high rainfall intermittency. AquaCrop, an FAO crop model, is used to simulate the yield response of maize (Zea mays L.) to sowing dates ranging from the 1st of May to the 30th of November at 20 locations in WA. We find that sowing directly after the first rains carries a higher

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Shibzukhov, Zalim-Geri, Alim Kishev, Zalina Shibzukhova, Murat Eziev, and Ilahun Akbar. "Sowing time influence on the sweet corn productivity in the mountainous ecologically clean zone of Kabardino-Balkaria." E3S Web of Conferences 262 (2021): 03024. http://dx.doi.org/10.1051/e3sconf/202126203024.

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With a properly selected sowing time, the highest productivity of sweet corns is achieved. In the conditions of the mountainous zone of Kabardino-Balkaria, the timing of sowing sweet corn has not been studied, therefore, determining the optimal sowing time is one of the most important issues in the successful cultivation and obtaining high yields of sweet corn. In our studies, the sowing time influenced the survival rate of sweet corn plants. Optimal sowing favors the dynamic growth and development of plants, the root system, allows better assimilation of moisture in the soil, thus increasing

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20

Aksenov, M. P., N. Yu Petrov, G. N. Zvereva, A. I. Belyaev, and A. M. Pugacheva. "Optimal parameters of sunflower seeds complex pre-sowing treatment." Journal of Physics: Conference Series 2060, no. 1 (2021): 012001. http://dx.doi.org/10.1088/1742-6596/2060/1/012001.

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Abstract The sowing quality of seeds is determined by the conditioning properties, one of which is germination. The potential yield depends on the number of germinated seeds, therefore, increasing the conditional properties of seeds by pre-sowing treatment is an urgent problem in agriculture. The introduction of an integrated method of pre-sowing seed treatment allows to summarize the positive effect of the electrophysical effects of an electric field and a biological preparation. The article presents the results of the studies carried out to establish the optimal treatment regimes for the tre

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T., Narimanishvili, Samadashvili Ts., Beglarashvili N., and Tkebuchava Z. "Baseline Maps of Autumn Wheat Yield using Geographic Information Systems for The Samtskhe-Javakheti Region." RA JOURNAL OF APPLIED RESEARCH 08, no. 03 (2022): 214–19. https://doi.org/10.5281/zenodo.6370133.

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ABSTRACT In food production, not only the level of production but also its quality indicators are of great importance. The quality of wheat grains depends on the variety, climatic conditions and cultivation technology. Agro-climatic conditions affect not only wheat yield but also grain quality. In studying the timing of sowing of the wheat crop, we tried to determine the effect of sowing timing and climatic conditions on wheat yield and quality. The vegetation period of wheat was characterized by different natural-climatic conditions, which were manifested by the drought of autumn and the shar

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Almogdad, Mohammad, Agnė Lukošiūtė-Stasiukonienė, Roma Semaškienė, and Viktorija Mačiulytė. "Sowing Date and Seed Rate Influence on Septoria Leaf Blotch Occurrence in Winter Wheat." Agriculture 14, no. 7 (2024): 988. http://dx.doi.org/10.3390/agriculture14070988.

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Septoria leaf blotch (SLB), caused by Zymoseptoria tritici, is one of the most important foliar diseases of wheat. The management of this disease is assisted by selecting a sowing time and seeding density that is less favorable to the pathogen. The aim of this research was to evaluate the severity of SLB on winter wheat cv. ‘Etana’ sown at three different sowing times and three seed rates. The severity assessments were performed on the upper two leaves three times during the growth stages using the phenological growth stage key developed by the Biologische Bundesanstalt, Bundessortenamt, and C

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Turan, Jan, Vladimir Višacki, Sanja Mehandžić, Pavol Findura, Patrik Burg, and Aleksandar Sedlar. "Sowing Quality Indicators for a Seed Drill With Overpressure." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 62, no. 6 (2014): 1487–92. http://dx.doi.org/10.11118/actaun201462061487.

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The main goal of sowing is the distribution of seeds at an optimal depth with adequate seed spacings. The results of the optimal sowing, in both horizontal and vertical directions, are better germination and sprouting, as well as increased yield and reduced influence of plants on each other’s space for growing, regarding the available light, nutrients and moisture. Quality of horizontal and vertical seed distribution is influenced by the distance between rows, sowing depth, pre-sowing preparation, seed drill, seeding mechanism, sowing density, and operator’s skills. The arithmetic mean of spac

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Shchitov, Sergey, Evgeniy Kuznetsov, Sergej Voyakin, et al. "Application of a combination of physical fields to increase the planting quality of soybean seeds." АгроЭкоИнфо 5, no. 59 (2023): 11. http://dx.doi.org/10.51419/202135511.

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One of the main conditions for obtaining a high soybean yield is maintaining optimal sowing and harvesting times, as well as pre-sowing seed treatment aimed at increasing the sowing qualities of the seed material. In the Amur region, the optimal sowing time is considered to be the period when the average daily air temperature reaches 10–14º degrees Celsius. In this connection, as studies have shown, mid-ripening and late-ripening soybean varieties are sown at the end of May, usually on the 20th-25th, and early-ripening varieties are sown a week later. Maintaining these sowing dates contributes

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Domokos, Zsuzsa, Alina Șimon, Felicia Chețan, et al. "The Influence of Sowing Date on the Primary Yield Components of Maize." Agronomy 14, no. 9 (2024): 2120. http://dx.doi.org/10.3390/agronomy14092120.

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The sowing date of maize significantly impacts its main yield elements. The experiment, conducted at the Research and Development Station for Cattle Breeding (R.D.S.C.B.) Târgu Mureș, Sângeorgiu de Mureș, România, from 2018 to 2021, involved nine maize hybrids from different maturity groups, sown on three dates: early sowing (ES) at 6 °C soil temperature, optimal sowing (OS) at 10 °C soil temperature, and late sowing (LS) two weeks after the optimal date. The experiment was placed in a poly-factorial experience of type: A × B × C × C − R: 3 × 9 × 4 − 3, organized according to the subdivided pl

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Khan, Bismillah, Muhammad Arif, Fazal Munsif, et al. "Optimizing Sowing Window for Local and Chinese Elite Lines under Changing Climate." Agronomy 12, no. 9 (2022): 2232. http://dx.doi.org/10.3390/agronomy12092232.

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Climate change threatens major global crops including wheat of subtropical regions, especially during critical developmental stages. To address this concern, researchers try to identify exotic genetic diversity with pronounced stress tolerance or avoidance or find improved genotypes with optimal sowing time. Current research evaluated seven exotic Chinese wheat genotypes (MY4094, MY1617, MY1416, MY2914, MY1501, MY1419, and MY902) for yield and associated characters along with a local check variety (PS-15) under optimal (1st November), moderate (16th November), and late sowing times (1st Decemb

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DOMOKOS, Zsuzsa, Iustina LOBONTIU, Marcel M. DUDA, Ovidiu A. CECLAN, and Alina SIMON. "RESULTS OF THE RESEARCH ON THE INFLUENCE OF SOWING DATE ON THE CHEMICAL COMPOSITION OF MAIZE GRAIN AT R.D.S.C.B TG. MUREŞ." LIFE SCIENCE AND SUSTAINABLE DEVELOPMENT 3, no. 2 (2022): 41–48. http://dx.doi.org/10.58509/lssd.v3i2.205.

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Climate changes, more prominently visible in recent years, have alerted scientific research and, implicitly, the agricultural sector, which is most affected by these changes. Maize, is one of the most widespread field crops in our country, is also the most exposed to atmospheric and soil drought pronounced in the summer months. In this context, we initiated and tested the following experimental variants: earlier sowing, when in the soil, at a depth of 10 cm, 6 °C is achieved, sowing in the optimal period, at 10°C in the soil and sowing after the optimal period, following the evolution of both

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SIMON, Alina, Zsuzsa DOMOKOS, Iustina LOBONTIU, Marcel M. DUDA, and Ovidiu A. CECLAN. "RESULTS OF THE RESEARCH ON THE INFLUENCE OF SOWING DATE ON THE CHEMICAL COMPOSITION OF MAIZE GRAIN AT R.D.S.C.B TG. MURES." LIFE SCIENCE AND SUSTAINABLE DEVELOPMENT 3, no. 2 (2022): 41–48. https://doi.org/10.58509/xt7zha94.

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Climate changes, more prominently visible in recent years, have alerted scientific research and, implicitly, the agricultural sector, which is most affected by these changes. Maize, is one of the most widespread field crops in our country, is also the most exposed to atmospheric and soil drought pronounced in the summer months. In this context, we initiated and tested the following experimental variants: earlier sowing, when in the soil, at a depth of 10 cm, 6 °C is achieved, sowing in the optimal period, at 10°C in the soil and sowing after the optimal period, following the evolution of both

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Laryushin, Nikolay Petrovich, Alexander Vasilyevich Shukov, and Artem Vladimirovich Abakumov. "Laboratory studies of the sowing unit with the grooves of the coil made in the shape of a torus." Agrarian Scientific Journal, no. 4 (April 29, 2019): 82–84. http://dx.doi.org/10.28983/asj.y2019i4pp82-84.

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The article is devoted to improving the quality of sowing seeds of grain crops and contains the results of laboratory studies of the coil sowing apparatus with the grooves of the sectional coil made in the form of a torus. The paper presents the optimal design and operating parameters of the coil sowing machine with the grooves of the sectional coil made in the form of a torus to ensure the best uniformity of the distribution of seeds along the length of the row. A multifactorial experiment was carried out to substantiate the optimal values of the design and operating parameters of the coil so

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Telrandhe, Shushma. "Solar Seed Sowing System." International Journal for Research in Applied Science and Engineering Technology 13, no. 4 (2025): 6164–68. https://doi.org/10.22214/ijraset.2025.69793.

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The "Smart Seed Sowing System" is a modern agricultural automation solution aimed at transforming traditional farming methods by automating both seed sowing and irrigation. Utilizing solar energy, it combines robotic and microcontroller technologies to minimize manual effort while enhancing the accuracy of seed distribution and water usage. The robot autonomously navigates the field with a built-in sowing unit, water pump, and spray nozzle, precisely delivering seeds and water to promote optimal germination. An ESP32 microcontroller manages the robot’s functions, including motor control, senso

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Sedlák, Gergő, and Adrienn Széles. "Effects of different crop years and sowing date on maize yield." Acta Agraria Debreceniensis, no. 59 (April 23, 2014): 93–96. http://dx.doi.org/10.34101/actaagrar/59/2011.

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We carried out the tests in the flood meadow soil formed on the alluvial cone of Nagykereki, Sebes-Körös belonging to the Bihar plane small region. The aim of the study was to analyse the effect of the different sowing date of maize on the yield trend based on a comprehensive study conducted for 6 years (2007–2012). The sowing date of maize hybrids is a factor that significantly influences yield, however, its effect is not significant in each crop year. In the years when the date of sowing has a modifying effect, the reliable yield level can be reached with optimal sowing date management

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Mikheev, V. G., and A. V. Molokov. "Productivity of sunflower hybrides depending on long terms." Bulletin of Kharkiv National Agrarian University named after V.V. Dokychaiev. The series “Crop production, selection and seed production, fruit and vegetable growing” 2019, no. 1 (2019): 57–65. http://dx.doi.org/10.35550/visnykagro2019.01.057.

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The results of the observations on the influence of sowing dates of the studied hybrids on sunflower grain yield capacity are highlighted. The largest number of plants was formed by the studied sunflower hybrids at sowing in the optimal time in the crops of the hybrid NK Delphi - 57 thousand pieces/ha, the hybrid NK Rocky - 67 thousand pieces/ha. Under the influence of different sowing dates, the height of plants increased and fluctuated in the hybrid NK Delphi from 164 to 186 cm, in the hybrid NK Rocky - from 123 to 145 cm. NK Delphi was significantly inferior in the level of yield of the hyb

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Barnashova, E. K., E. A. Vertikova, and S. S. Derevyagin. "Development of intelligent technology elements to establish optimal harvest dates for grain crops." BIO Web of Conferences 108 (2024): 02001. http://dx.doi.org/10.1051/bioconf/202410802001.

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The outstripping pace of agro-industrial complex development is largely determined by the level of agricultural production organization. The effectiveness of crop cultivation depends both on external factors: nature of soils, climatic conditions, etc., and on the skillful organization of agrotechnical measures, timely implementation of planned sowing cycles, cultivation and harvesting of crop production. The development of intelligent technologies can optimize the use of resources and management processes in the field of agriculture, as well as improve the quality of finished products. In part

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Stebakov, V., N. Lopachev, N. Naumkin, and Ivan Drap. "PRODUCTIVITY OF BUCKWHEAT VARIETIES UNDER OPTIMAL TERMS OF SOWING." Vestnik OrelGAU 52, no. 1 (2015): 47–50. http://dx.doi.org/10.15217/307078.

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Berski, Wiktor, Rafał Ziobro, Anna Gorczyca, and Andrzej Oleksy. "The Effects of Sowing Density and Timing on Spike Characteristics of Durum Winter Wheat." Agriculture 15, no. 4 (2025): 359. https://doi.org/10.3390/agriculture15040359.

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Durum wheat (Triticum durum Desf.) is the second most cultivated species of wheat after common wheat. In this study, the physical properties of ears and kernels of durum winter wheat were evaluated, focusing on the effects of sowing date and density. Understanding these properties is crucial for assessing the quality and technological utility of wheat. Three winter varieties of wheat, Komnata, Pentadur, and Auradur, were cultivated in the Małopolska Voivodeship of Poland. Two sowing dates (optimal and delayed) and three sowing densities (400, 500, and 600 kernels/m2) were employed. Significant

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Zając, Tadeusz, Andrzej Oleksy, and Agnieszka Klimek-Kopyra. "Comparison of growth and productivity of the low morphine poppy Papaver somniferum L. cv. Mieszko depending on the sowing date." Acta Agrobotanica 64, no. 3 (2012): 67–78. http://dx.doi.org/10.5586/aa.2011.033.

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A single-factor field experiment was conducted in 2008 and 2009. The aim of this study was to evaluate the low-morphine poppy cv. Mieszko which was sown at three different dates: I-early, II-optimal, III-delayed. The results of the experiment demonstrate that there is no difference between morphological traits at characteristic growth stages. Plants in the population varied in the number of poppy heads (from 1 to 6). Plant productivity in the crop depended on the sowing date and growing year. Sowing poppy at the early and optimal date allowed more productive individuals that produced poppy hea

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Tedeyeva, Victoria, Alan Abaev, and Albina Tedeyeva. "PRODUCTIVITY OF SOYBEAN VARIETIES DEPENDING ON AGROTECHNICAL TECHNIQUES." Bulletin of KSAU, no. 9 (January 30, 2025): 17–24. https://doi.org/10.36718/1819-4036-2023-9-17-24.

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The purpose of research is to study agricultural practices that contribute to the growth of yields, to improve the quality of grain and the technology of cultivation of promising soybean varieties in the Republic of North Ossetia – Alania. Objectives: to establish the optimal sowing dates for promising soybean varieties of different early maturity, to study the effect of sowing methods and rates on the productivity of soybean varieties. The influence of seeding rates and sowing methods on the growth, development and features of the production process of promising soybean varieties in North Oss

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Fordoński, Gabriel, Adam Okorski, Jacek Olszewski, Joanna Dąbrowska, and Agnieszka Pszczółkowska. "The Effect of Sowing Date on the Growth and Yield of Soybeans Cultivated in North-Eastern Poland." Agriculture 13, no. 12 (2023): 2199. http://dx.doi.org/10.3390/agriculture13122199.

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Soybean yields are influenced by numerous factors, including environmental conditions, location, and agricultural practices. Sowing date affects plant growth, development, and yields, and it plays a particularly important role in soybean cultivation. The optimal sowing date should be selected based on soil temperature, precipitation, and rainfall distribution in a given region. The aim of this study was to determine the effect of various sowing dates (I—early, II—optimal, III—late) on the time from sowing to emergence of soybean seedlings, length of the growing season, morphological traits of

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Polishchuk, Valentine, David Konovalov, and Anna Brovdi. "Seed Productivity of Winter Wheat Depending on Sowing Dates and Seeding Rates." Grassroots Journal of Natural Resources 7, no. 2 (2024): 83–95. http://dx.doi.org/10.33002/nr2581.6853.070204.

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This article describes the formation of seed yields and seed quality depending on the timing of sowing and seeding rates. On average, over three years, seed yields significantly decreased when sown at late sowing dates compared to the optimal date of September 25. The influence of the “sowing time” factor on seed yield was the largest and amounted to 86.6%, while the influence of the “seeding rate” factor was insignificant and amounted to only 4.3%. It was found that the germination energy and germination rate of seeds did not change significantly depending on the sowing date and seeding rate

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Wu, Yixuan, Guangsheng Zhou, Yanling Song, et al. "A Simulation Study on Optimization of Sowing Time of Maize (Zea mays L.) for Maximization of Growth and Yield in the Present Context of Climate Change under the North China Plain." Agronomy 13, no. 2 (2023): 385. http://dx.doi.org/10.3390/agronomy13020385.

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Adjusting the sowing dates of crops is an effective measure for adapting them to climate change, but very few studies have explained how the optimum sowing dates can be determined. In this study, we used the sowing date field data from 2018 to 2021 from Hebei Gucheng Agricultural Meteorology National Observation and Research Station to analyze the effects of the sowing date on growth, development, and yield of maize, and to quantify the impact of light-temperature potential productivity on different stages of the yield formation. The results showed that delayed sowing decreased the vegetative

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Liu, Jun, Yun Shen, Chaowu Zeng, et al. "Effects of Sowing Time on Yield and Quality of Winter and Spring Wheat Varieties." Sustainability 17, no. 6 (2025): 2479. https://doi.org/10.3390/su17062479.

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Grain yield and quality are critical factors in agricultural production. This study aimed to investigate the impact of sowing time on wheat yield and quality and identify the optimal sowing period for wheat in the Xinjiang region of China. The yield and quality changes of different spring and winter wheat varieties were investigated under different sowing periods. The results showed that late sowing of winter wheat and winter sowing of spring wheat adversely affected wheat yield, especially in spring wheat. For winter wheat, late sowing resulted in higher protein content, wet gluten content, r

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Ongolu, Shaila, Ramesh Suluguri, Divya Rani V., et al. "Population Dynamics in Groundnut and their Relationship to the Weather Parameters." International Journal of Environment and Climate Change 14, no. 8 (2024): 643–51. http://dx.doi.org/10.9734/ijecc/2024/v14i84384.

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Background: Groundnut crop is the most commonly, and widely grown oil seed crop during the Rabi season at Nagarkurnool district of Telangana state. However, insect pests viz., leaf miner (Aproerima modicella), tobacco caterpillar (Spodoptera litura Fab.), thrips (Scritothrips dorsalis) and jassids (Empoasca kerri Pruthi) are the major insect pests accounting major yield losses. The sowing window of the crop during rabi starts from 1st Fortnight of September to 1st FN of November. The insect pest’s incidence on different dates of sowings varied and ultimately reflecting the final yields under f

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Allard, Francis, Anne Vanasse, Denis Pageau, Gilles Tremblay, Julie Durand, and Elizabeth Vachon. "Determination of optimal sowing dates and densities of winter wheat under Quebec growing conditions." Canadian Journal of Plant Science 99, no. 2 (2019): 221–31. http://dx.doi.org/10.1139/cjps-2018-0165.

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The objective of this project was to determine the optimal sowing dates and densities for winter wheat to increase winter survival and yield under Quebec growing conditions. The trials were carried out from 2014 to 2016 at four sites, representing three cereal production zones (zones 1, 2, and 3). Three cultivars were assessed using four sowing dates and four seeding densities (250, 350, 450, and 550 seeds m−2). In the first year, the wheat at two of the four sites survived (82%–100%), and in the second year, all the sites showed good survival rates (69%–99%). In zone 2, winter survival was hi

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RAJIČIĆ, Vera, Jelena STOJILJKOVIĆ, Vera POPOVIĆ, et al. "Influence of genotype, climatic factors and sowing time on maize yield and water release rate." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 53, no. 1 (2025): 13770. https://doi.org/10.15835/nbha53113770.

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The objective of this paper was to determine the optimal sowing periods for maize in alluvial soil in the semiarid conditions of the southern of Serbia during two successive growing seasons of six maize genotypes from three FAO ripening groups and three sowing periods. Different climatic conditions, temperatures, and amounts of precipitation levels during the examined research period, as well as different sowing periods, had a significant effect on grain yield and yield characteristics variation. The 2014 growing season was more favorable due to a well-distributed rainfall pattern during the c

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Bartenev, Ivan, Mikhail Drapalyuk, Nikita Ushakov, and A. Novikov. "SOWING MECHANIZATION OF DRESSED FOREST SEEDS." Forestry Engineering Journal 10, no. 1 (2020): 161–72. http://dx.doi.org/10.34220/issn.2222-7962/2020.1/21.

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Production of forest planting material includes many technological processes that subsequently provide the output of the final product. One of the main processes is mechanized sowing. The choice of technology and technical tools for sowing forest seeds is formed on the basis of analytical information about the type of plot, soil structure, methods of preparing and sowing seeds in science and practice of artificial reforestation. The basis for research is the need to find the optimal design of the prototype seeder for the mechanized sowing of dressed seeds that meet the requirements of low ener

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Pospišil, Ana, and Milan Pospišil. "Soybean Yield and Yield Components Depending on Sowing Rate and Sowing Date." Poljoprivreda 30, no. 2 (2024): 10–16. https://doi.org/10.18047/poljo.30.2.2.

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A research on the influence of a sowing date on the soybean yield and the yield of its components was carried out at the Experimental Site of the Faculty of Agriculture of the University of Zagreb during 2019 and 2020. The study involved two soybean varieties, the AFZG Ana (maturity group 0) and Gabriela (maturity group 00-0), sown on the two sowing dates (i.e., an optimal and a late one) and three sowing rates: 40, 65, and 90 germinating seeds m-2. The sowing time did not have a significant effect on the soybean seeds’ yield and the yield of their components. In both research years, the Gabri

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Kasymbekov, R., N. Temirbaeva, B. Toktonaliev, Y. Osmonov, and B. Aituganov. "Designing a pre-sowing seed treatment method and a combined sowing rig." IOP Conference Series: Earth and Environmental Science 1206, no. 1 (2023): 012030. http://dx.doi.org/10.1088/1755-1315/1206/1/012030.

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Abstract The authors have designed a seed pelleter and a combined precision sowing rig, which are the backbone of the technology of pre-sowing treatment and seed sowing. The pre-sowing seed treatment method is based on the operation of a continuous seed pelleter, where the protective and nutritious coating is formed around the seeds while they move along a spiral trajectory. The next component of the technology is a combined sowing rig that performs several technological operations in one pass: laying of drip tape for irrigation, polyethylene film and precise sowing of seeds in the holes on th

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Balık, Sibel, and Hayriye Yıldız Daşgan. "The Effect of Seed Sowing Density on Growth Parameters in Six Different Microgreen." Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi 28, no. 3 (2025): 661–71. https://doi.org/10.18016/ksutarimdoga.vi.1574906.

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Seed sowing density is a key parameter that directly affects plant growth and the final product quality in microgreens. Proper adjustment of sowing density ensures optimal growth conditions, enhancing yield and supporting healthy and vigorous plant development. In this study, broccoli, black radish, red beet, pea, sunflower, and bean seeds were used; three different sowing densities were determined, and the seeds were sown in containers measuring 16x9x7 cm. The study investigates the effects of different seed sowing densities on plant height, hypocotyl length, stem diameter, individual plant w

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Radchenko, L. A., Т. L. Ganotskaya, А. F. Radchenko, and S. S. Babanina. "Sowing dates and their effect on productivity and grain quality of the winter wheat varieties." Grain Economy of Russia, no. 6 (December 24, 2021): 95–103. http://dx.doi.org/10.31367/2079-8725-2021-78-6-95-103.

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The analysis of the Crimean weather conditions during the autumn vegetation period of winter wheat indicates climate warming and, in this regard, the necessity to adjust the optimal sowing dates. The purpose of the current study was to estimate the productivity and grain quality of winter bread wheat varieties depending on different sowing dates. The objects of the study were five winter wheat varieties sown in 5 dates from October 1 to November 30 with an interval of 15 days. Field trials were conducted with appropriate observations, records, measurements and analyzes, according to the method

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Mandić, Violeta, Snežana Đorđević, Nikola Đorđević, et al. "Genotype and Sowing Time Effects on Soybean Yield and Quality." Agriculture 10, no. 11 (2020): 502. http://dx.doi.org/10.3390/agriculture10110502.

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The successful production of soybeans is largely dependent on the sowing time, because every sowing outside the optimal time contributes significantly to yield losses. This field study aimed to evaluate the effects of sowing time (optimal—April 5; late—April 27) on the quantitative and quality traits of three soybean genotypes (Galina—0 maturity group; Sava—I maturity group; and Rubin—II maturity group) under dryland conditions in Vojvodina Province (Serbia) during 2017 and 2018. The genotype Sava had higher yield in climatic-unfavorable 2017, while Rubin had a higher yield in climatic-favorab

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