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Статті в журналах з теми "Micro plants planting density"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Vlasevskii, D., I. Mukhametshin, E. Vlasevskaya, and V. Krasnoperova. "Agrotechnological methods for adaptation survival micro plants potatoes." Bulletin of Science and Practice, no. 12 (December 11, 2017): 125–29. https://doi.org/10.5281/zenodo.1101192.

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The results of studies on the effect of planting time and potato plant nutrient potency in vitro, micro plants of potato that have undergone adaptation to the yield of minitubers from a unit area. It was established that the first planting period (June 10) of test tubes and seedlings was optimal. The overall survival rate averaged 82.0%. The early planting period promoted an increase in the reproduction rate to 4.8 tubers from the bush. The yield of minitubers was 326.5 thousand pieces / ha. Sealing of landings to 142.8 thousand pieces/ha reduced the survival rate by 5.7% and the multiplicatio

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2

-, Azib Ernawati, Luki Abdullah, and Idat Galih Permana. "Kandungan dan Serapan Mineral Pucuk Indigofera zollingeriana dari Tanaman dengan Kerapatan Tanam Berbeda." Jurnal Ilmu Nutrisi dan Teknologi Pakan 19, no. 2 (2021): 49–58. http://dx.doi.org/10.29244/jintp.19.2.49-58.

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This experiment was conducted to evaluate the mineral contents of I. zollingeriana growing with different planting densities. The experiment was conducted in a randomized block design with three different planting densities (8,000 plants per ha, 13,333 plants per ha, and 20,000 plants per ha) and 3 replication. Plant biomass was analyzed for macro and micro mineral contents as well as Ca:P ratio. The results showed that increased planting densities significantly increased (p<0.05) P, Cu, and Cr contents, but decreased Ca and Na contents had no significant effect on Mg, K, Mn, Zn and Fe cont

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3

Filippova, S., L. Eliseeva, O. Isaev, et al. "Influence of planting density of micro-plants on the number of potato mini-tubers." IOP Conference Series: Earth and Environmental Science 604 (December 2, 2020): 012038. http://dx.doi.org/10.1088/1755-1315/604/1/012038.

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4

Filippova, S., L. Eliseeva, I. Eliseev, O. Nesterova, and A. Selivanov. "The number of mini-tubers of potatoes depending on the density of planting micro-plants." IOP Conference Series: Earth and Environmental Science 677, no. 3 (2021): 032058. http://dx.doi.org/10.1088/1755-1315/677/3/032058.

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5

Khutinaev, O. S., T. A. Shchegolikhin, and A. A. Manokhina. "Technologies of Accelerated Propagation of Initial Seed Material from in vitro Micro Plants on the Biotechnological Module AGM-60." Machinery and Equipment for Rural Area, no. 9 (September 20, 2024): 17–22. https://doi.org/10.33267/2072-9642-2024-9-17-22.

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Анотація:

The device for growing plants without using soil in a water-air nutrient medium for mass replication of healthy minitubers of potatoes is presented which allows to increase the planting density to 60 plants per 1 m2, the multiplication coefficient - up to 50 or more tubers per plant, the yield of tubers - up to 3000 pcs/m2 and more. In the absence of the substrate it becomes possible to actively influence the growth-stimulating characteristics of the grown plants and control metabolic processes, apply a differentiated nutrition regime to control of plant development by phases.

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6

Omar, Che Hanis, Nor Izaida Ibrahim, Sitti Fatimah Mhd Ramle, Nur Kyariatul Syafinie Abdul Majid, and Noor Janatun Naim Jemali. "Enhancing Roselle Growth and Yield through Planting Density and Fertilization Strategies: A Study on BRIS Soil Area." Malaysian Journal of Bioengineering and Technology (MJBeT) 1, no. 1 (2024): 41–47. http://dx.doi.org/10.70464/mjbet.v1i1.1302.

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Optimizing planting density and fertilization practices are crucial factors influencing the micro-environment of agricultural fields, thereby profoundly impacting the growth, development, and yield formation of Roselle plants. This study investigates the combined effects of planting density and Sesbania grandiflora integration on nitrogen dynamics within the BRIS soil area, aiming to enhance Roselle growth and yield. Employing a randomized complete block design (RCBD), three fertilizer treatments—control, green manure, and organic fertilizer—were implemented. Nitrogen content was analyzed usin

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7

Brentu, Collinson F., Paul R. Speijer, Kim R. Green, Barbara M. S. Hemeng, Dirk De Waele, and Daniel L. Coyne. "Micro-plot evaluation of the yield reduction potential of Pratylenchus coffeae, Helicotylenchus multicinctus and Meloidogyne javanica on plantain cv. Apantu-pa (Musa spp., AAB-group) in Ghana." Nematology 6, no. 3 (2004): 455–62. http://dx.doi.org/10.1163/1568541042360537.

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Abstract The damage potential of the plant-parasitic nematodes Pratylenchus coffeae, Helicotylenchus multicinctus and Meloidogyne javanica, was assessed on plantain (Musa spp., AAB-group) cv. Apantu-pa in microplots in Ghana. Hot water treated suckers, planted in 3 l plastic bags containing sterilised soil, were inoculated 1 month after planting with a single nematode species or a nematode species mixture; controls were not inoculated. The initial single species inocula consisted of 1000 or 10 000 nematodes per plant, whilst the initial species mixture inoculum consisted of 3000 nematodes of e

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8

Starovoitov, V. I., O. A. Starovoitova, and A. A. Manokhina. "Innovative technologies for accelerated reproduction of initial seed material from in vitro micro plants on the biotechnological module AGM-60." BIO Web of Conferences 160 (2025): 01010. https://doi.org/10.1051/bioconf/202516001010.

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A biotechnological aerohydroponic module has been created for growing plants without using soil by creating a water-air nutrient medium in the root space, and a method has been developed for accelerated propagation and mass replication of improved potato minitubers, which allows increasing the planting density to 60 plants per 1 m2, increasing the propagation coefficient to 50 or more tubers per plant, increasing the yield of tubers per unit area to 3 thousand or more pieces per 1 m2. The device allows for continuous monitoring of root system development, differentiated plant nutrition by deve

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9

Yao, Yang. "Analysis on Spatial Layout Model of Urban Road Green Landscape Based on Discrete Probability." Tobacco Regulatory Science 7, no. 5 (2021): 2094–110. http://dx.doi.org/10.18001/trs.7.5.128.

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The development issues about urban road greening design are constantly emerging in modern urban road construction. Therefore, a model of spatial layout of urban road green landscape based on discrete probability was built. The relevant urban road data was collected and the corresponding three-dimensional model of urban road was built. On this basis, the spatial layout and characteristics of urban road were analyzed. According to the analysis results, the greening modes and configuration methods that met the humanistic characteristics were established reasonably. Moreover, the green landscape v

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10

M, Ijas, AneesaRani MS, Paramaguru P, and Sujatha KB. "Enhancement of Yield and Quality of Guava cv. Lucknow-49 by Foliar Application of Nutrients under High-Density Planting System." Madras Agricultural Journal 108, june (2021): 1–5. http://dx.doi.org/10.29321/maj.10.000503.

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In view of the importance of foliar application of macro and micro nutrients to increase the yield and quality of guava under high density planting system, an experiment was laid out in a randomized complete block design consisting of nine treatment combinations with three replications. [(Control - Fertigation alone), (NPK (19:19:19)), (NPK + Zn), (NPK + Ca), (NPK + B), (NPK + Zn + Ca), (NPK + Zn + B), (NPK + Ca + B), (NPK + Zn + Ca + B). Among the treatments, fruit weight (225.22 g), fruit volume (215.35 ml),number of fruits per plant (80.35), fruit yield per plant(17.67 kg plant-1), TSS(10.6

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11

Xiao, C. L., and K. V. Subbarao. "Relationships Between Verticillium dahliae Inoculum Density and Wilt Incidence, Severity, and Growth of Cauliflower." Phytopathology® 88, no. 10 (1998): 1108–15. http://dx.doi.org/10.1094/phyto.1998.88.10.1108.

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Microplot and field experiments were conducted to evaluate the effects of inoculum density on Verticillium wilt and cauliflower growth. Soil containing Verticillium dahliae microsclerotia was mixed with various proportions of fumigated soil to establish different inoculum densities (fumigated soil was used as the noninfested control). Seven inoculum density treatments replicated four times were established, and the treatments were arranged in a randomized complete block design. Soil was collected from each microplot immediately after soil infestation for V. dahliae assay by plating onto sodium

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12

Dimitrova, Nataliya, Lilyana Nacheva, Małgorzata Berova, and Danuta Kulpa. "Biofertlizer Lumbrical improves the growth and ex vitro acclimatization of micropropagated pear plants." Silva Balcanica 22, no. 1 (2021): 17–30. http://dx.doi.org/10.3897/silvabalcanica.22.e57661.

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In vitro micropropagation of plants is highly useful for obtaining large quantities of planting material with valuable economic qualities. However, plantlets grow in vitro in a specific environment and the adaptation after the transfer to ex vitro conditions is difficult. Therefore, the acclimatization is a key step, which mostly determines the success of micropropagation. The aim of this investigation was to study the effect of the biofertlizer Lumbrical on ex vitro acclimatization of micropropagated pear rootstock OHF 333 (Pyrus communis L.). Micropropagated and rooted plantlets were potted

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13

Dimitrova, Nataliya, Lilyana Nacheva, Małgorzata Berova, and Danuta Kulpa. "Biofertlizer Lumbrical improves the growth and ex vitro acclimatization of micropropagated pear plants." Silva Balcanica 22, no. (1) (2021): 17–30. https://doi.org/10.3897/silvabalcanica.22.e57661.

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<em>In vitro</em> micropropagation of plants is highly useful for obtaining large quantities of planting material with valuable economic qualities. However, plantlets grow <em>in vitro</em> in a specific environment and the adaptation after the transfer to <em>ex vitro</em> conditions is difficult. Therefore, the acclimatization is a key step, which mostly determines the success of micropropagation. The aim of this investigation was to study the effect of the biofertlizer Lumbrical on ex vitro acclimatization of micropropagated pear rootstock OHF 333 (<em>Pyrus communis</em> L.). Micropropagat

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14

El-Naggar, Jehan B., and Nour El-Hoda A. Zidan. "FIELD EVALUATION OF IMIDACLOPRID AND THIAMETHOXAM AGAINST SUCKING INSECTS AND THEIR SIDE EFFECTS ON SOIL FAUNA." Journal of Plant Protection Research 53, no. 4 (2013): 375–87. http://dx.doi.org/10.2478/jppr-2013-0056.

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Abstract This work was carried out at Sakha Agriculture Research Station, Kafr El-Sheikh, Egypt during the 2010 and 2011 cotton growing seasons to evaluate the effectiveness of imidacloprid and thiamethoxam, used separately as seed treatments and foliar applications at the recommended rate against the sucking insects: thrips, thrips tabaci (lind), jassid, Empoasca spp., whitefly, Bemicia tabaci, and cotton aphid, Aphis gossypii (Glover.). The side effects of both insecticides on soil fauna was investigated as well. The experimental results showed the following trends: Seed treatment with imida

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15

Бухаров, А. Ф., С. В. Сычева, and А. В. Соловьев. "Preparations of the Agrovin series as a means of increasing the efficiency of tomato seed production." Kartofel` i ovoshi, no. 6 (June 7, 2023): 36–40. http://dx.doi.org/10.25630/pav.2023.88.84.006.

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Цель исследования – изучить эффективность применения некорневой обработки растений препаратами серии Агровин для повышения стрессоустойчивости, урожайности и качества семян различных сортов томата в условиях ЦЧЗ. Исследования выполнены в 2021–2022 годах на полях овощного севооборота Воронежской овощной опытной станции, расположенной в северном агроклиматическом районе Воронежской области. Почва – мощный среднегумусный выщелоченный чернозем. Опыты зкладывали на посадках районированного сорта томата Кулон селекции ВООС. Для этого сорта характерна высокая скороспелость (95–105 сут.) и дружность с

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16

Jhala, Amit J., Mayank S. Malik, and John B. Willis. "Weed control and crop tolerance of micro-encapsulated acetochlor applied sequentially in glyphosate-resistant soybean." Canadian Journal of Plant Science 95, no. 5 (2015): 973–81. http://dx.doi.org/10.4141/cjps-2014-422.

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Jhala, A. J., Malik, M. S. and Willis, J. B. 2015. Weed control and crop tolerance of micro-encapsulated acetochlor applied sequentially in glyphosate-resistant soybean. Can. J. Plant Sci. 95: 973–981. Acetochlor, an acetamide herbicide, has been used for many years for weed control in several crops, including soybean. Micro-encapsulated acetochlor has been recently registered for preplant (PP), pre-emergence (PRE), and post-emergence (POST) application in soybean in the United States. Information is not available regarding the sequential application of acetochlor for weed control and soybean

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17

Singh, Sanjay Kumar, and S. K. Singh. "Effect of Pruning Intensity on Leaf Tissue Micronutrient Status in Three Mango (Mangifera indica L.) Cultivars under High Density Planting." Journal of Horticultural Sciences 5, no. 2 (2010): 120–23. http://dx.doi.org/10.24154/jhs.v5i2.458.

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An experiment was conducted to study the effect of pruning on leaf micro nutrient (Cu, Zn, Fe and Mn) status in nonfloral and floral shoots of three mango cultivars ('Amrapali', 'Mallika' and 'Dashehari') under high density planting during 2005-2007. All the three cultivars differed significantly in Cu, Zn, Fe and Mn content in leaves of non- floral as well as floral shoots. Pruning showed marked influence only on Cu and Zn content in the leaves of non- floral and floral shoots. Leaf nutrient status in terms of Fe and Mn also varied in cultivars irrespective of pruning intensity, and pruning d

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18

Kryuchkov, Sergey N., Andrey V. Solonkin, and Alexandra S. Solomentseva. "INTENSIVE METHODS OF GROWING PLANTING MATERIAL OF SMALL-SEEDED WOODY SPECIES IN SEMI-DESERT CONDITIONS." Siberian Journal of Life Sciences and Agriculture 16, no. 1 (2024): 144–63. http://dx.doi.org/10.12731/2658-6649-2024-16-1-702.

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Background. The issue of the use of hydrophilic polymers in forestry in the arid conditions of the Volgograd region has been little studied and remains very relevant. The changing natural and climatic conditions of the region require careful selection of an assortment of tree and shrub species and preparations that improve their growth, development and resistance to environmental factors. Purpose. Study of the influence of polymer materials on the species of hanging birch (Betula pendula Roth.), branched tamarix (Tamarix ramosissima Ledeb.), black poplar (Populus nigra L.) in arid conditions.

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19

Cao, Hui, Hongbo Wang, Yong Li, et al. "Evapotranspiration Partition and Dual Crop Coefficients in Apple Orchard with Dwarf Stocks and Dense Planting in Arid Region, Aksu Oasis, Southern Xinjiang." Agriculture 11, no. 11 (2021): 1167. http://dx.doi.org/10.3390/agriculture11111167.

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Crop coefficients are critical to developing irrigation scheduling and improving agricultural water management in farmland ecosystems. Interest in dwarf cultivation with high density (DCHD) for apple production increases in Aksu oasis, southern Xinjiang. The lack of micro-irrigation scheduling limits apple yield and water productivity of the DCHD-cultivated orchard. A two-year experiment with the DCHD-cultivated apple (Malus × domestica ‘Royal Gala’) orchard was conducted to determine crop coefficients and evapotranspiration (ETa) with the SIMDualKc model, and to investigate apple yield and wa

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20

Angilè, Federica, Laura Del Coco, Chiara Roberta Girelli, et al. "Proton Nuclear Magnetic Resonance (1H NMR) Metabolic Profiles Discriminate Two Monovarietal Extra Virgin Olive Oils, Cultivars Arbequina and Koroneiki, with Different Geographical Origin." Horticulturae 9, no. 1 (2023): 66. http://dx.doi.org/10.3390/horticulturae9010066.

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This study aims to evaluate the Proton Nuclear Magnetic Resonance (1H-NMR)-based metabolomic profiles of monovarietal olive oils obtained from Arbequina and Koroneiki, which are typically present in the Mediterranean basin and grown in Spain and Greece, respectively. Micro-milled oils were obtained from olives harvested both in their cultivar home countries (Spain and Greece) and in Italy. Investigations by 1H NMR metabolic profiling were carried out to develop a strategy for the correct interpretation of differences based on geographical origins. The NMR Spectroscopy and multivariate statisti

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21

Leonel, Sarita, Jairton Fraga Araújo, and Marco Antonio Tecchio. "BIOFERTILIZAÇÃO E ADUBAÇÃO ORGANOMINERAL: CONCENTRAÇÃO DE NUTRIENTES NA FOLHA E PRODUTIVIDADE DE FRUTOS DE PINHEIRA." IRRIGA 1, no. 1 (2015): 40–51. http://dx.doi.org/10.15809/irriga.2015v1n1p40.

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BIOFERTILIZAÇÃO E ADUBAÇÃO ORGANOMINERAL: CONCENTRAÇÃO DE NUTRIENTES NA FOLHA E PRODUTIVIDADE DE FRUTOS DE PINHEIRA SARITA LEONEL1; JAIRTON FRAGA ARAÚJO2 E MARCO ANTONIO TECCHIO3 Eng. Agrônomo, Doutor, Departamento de Horticultura, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu-SP, CEP 18.610-307, e-mail: sarinel@fca.unesp.br2 , Eng. Agrônomo, Doutor, Departamento de Tecnologia e Ciências Sociais, Universidade do Estado da Bahia, Juazeiro- BA, e-mail: jf-araujo@uol.com.br3 Eng. Agrônomo, Doutor, Departamento de Horticultura, Universidade Estadual Paulista “Júlio de Mesquita

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22

Shi, Lei, Qun Wang, Guoqiang Zhang, Shaokun Li, and Jun Xue. "Increasing Maize Production and Advancing Rational Water Allocation and Usage Based on the Optimal Planting Density and Irrigation Levels in Northwest China." Water 15, no. 3 (2023): 529. http://dx.doi.org/10.3390/w15030529.

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Increasing water-use efficiency by optimizing planting density and irrigation regimes in maize is crucial for food security under limited water resources. In this study, six plant densities (6.0, 7.5, 9.0, 10.5, 12.0, and 13.5 × 104 plants ha−1) and three irrigation amounts (300, 450, and 600 mm) were assessed to analyze the effects of planting density and irrigation amount on the yield and yield components. We also explored the combination of maize production capacity and maximizing economic returns in a planting region. The results demonstrated that as planting density increased, grain yield

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23

Martins, Bruno Novaes Menezes, Jean Lucas Mendes Castro, Joara Secchi Candian, Leticia Galhardo Jorge, and Antonio Ismael Inácio Cardoso. "Chives production according to planting density." Research, Society and Development 9, no. 9 (2020): e108997085. http://dx.doi.org/10.33448/rsd-v9i9.7085.

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In the search for optimization of production, the use of the ideal plant density is of fundamental importance. So, the objective of this research was to evaluate the effect of planting densities on chive production, varying the spacing between holes and the number of plants per hole. The experimental design was a randomized block design, with twelve treatments in the 4 x 3 factorial scheme, with four spacings between holes (0.05, 0.08, 0.11 and 0.14 m) and three numbers of plants per hole (2, 3 and 4 plants per hole), with four replicates. Leaf number, plant height, leaf diameter, fresh and dr

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24

Sumi, Saima, Shagata Shorna, Md Hossain, and Md Hossain. "Effect of Planting Density on Growth and Yield of Chia (Salvia hispanica L.)." Journal of Bangladesh Agricultural University 21, no. 4 (2023): 472. http://dx.doi.org/10.5455/jbau.168032.

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Planting density is an important factor for plant growth and yield performance. As it is a newly introduced crop in Bangladesh, experiment on planting density became crucial to know the effect of planting density on the growth, morpho-physiological, yield and yield contributing characters of Chia (Salvia hispanica L.). Therefore, a field experiment on planting density (11, 22, 66 plants m-2) was carried out at the Field Laboratory of the Department of Crop Botany, Bangladesh Agricultural University, Mymensingh. The experiment was laid out in a RCBD with three treatments and three replications.

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25

Klimek, Andrzej, Stanisław Rolbiecki, Roman Rolbiecki, Grzegorz Gackowski, Piotr Stachowski, and Barbara Jagosz. "The Use of Wood Chips for Revitalization of Degraded Forest Soil on Young Scots Pine Plantation." Forests 11, no. 6 (2020): 683. http://dx.doi.org/10.3390/f11060683.

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The aim of the study was to assess the impact of several methods of mulching degraded forest soil with wood chips on the development of mite (Acari) community, with particular emphasis to oribatid mites (Oribatida), and on the growth of young plantings of Scots pine (Pinus sylvestris L.). Mulching with wood chips should contribute to revitalize soil fauna and restore natural forests on degraded soils. Scots pine seedlings were planted at the post-military training ground. Four experimental treatments were tested: control—uncovered soil (C), mulching with wood chips (W), W + mycorrhiza preparat

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26

Yu, Xiaofang, Qi Zhang, Julin Gao, et al. "Planting Density Tolerance of High-Yielding Maize and the Mechanisms Underlying Yield Improvement with Subsoiling and Increased Planting Density." Agronomy 9, no. 7 (2019): 370. http://dx.doi.org/10.3390/agronomy9070370.

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This study examined the planting density tolerance, grain yield improvement potential, and mechanisms of high-yielding spring maize varieties under increasing planting density and subsoiling. We planted two high-yielding spring maize varieties with a high or low tolerance to high planting densities (LM33 and XD20, respectively) at five different densities (D1: 60,000 plants ha−1, D2: 75,000 plants ha−1, D3: 90,000 plants ha−1, D4: 105,000 plants ha−1, and D5: 120,000 plants ha−1) using two tillage methods (35-cm subsoiling and 15-cm traditional rotary tillage). The response characteristics use

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27

ASHOK KUMAR. "Productivity, economics and nitrogen-use efficiency of specialty corn (Zea mays) as influenced by planting density and nitrogen fertilization." Indian Journal of Agronomy 53, no. 4 (2001): 306–9. http://dx.doi.org/10.59797/ija.v53i4.4878.

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A field experiment to study the effect of planting density and N level on pop corn and sweet corn ( Zea mays L.) was conducted during rainy season 2005 and 2006 at New Delhi. An increase in planting density recorded taller plants with reduced values of yield attributes of both pop corn and sweet corn. However, in sweet corn the number of cobs/ha increased with the increase in planting density. The planting density of 66,666 and 83,333 plants/ha re- corded 23.5 and 40.0% higher grain yield of pop corn compared with that of 55,555 plants/ha respectively. The cob and kernel yields of sweet corn h

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28

Lipi, Nowrose Jahan, and Muhammad Maniruzzaman. "Effect of Planting Methods and Planting Density on Growth and Yield of Sesame in Non-saline Area of Patuakahali, Bangladesh." Journal of Agroforestry and Environment 16, no. 2 (2023): 14–19. http://dx.doi.org/10.55706/jae1622.

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The planting methods and planting density influence the growth and yield of crops. A field experiment was conducted with split-plot design using two planting methods (row and broadcast) and four planting densities (40, 50, 60, and 70 plants m-2) to observe the effect on yield and yield attributing characters of sesame in the field laboratory of Agronomy Department in Patuakhali Science and Technology University. The yield and yield components were significantly affected by planting methods. The row planting method showed higher yield and yield components than the broadcasting method. The yield

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Liu, Zhendong, Shiyu Wei, Ming Li, Qingfen Zhang, Rui Zong, and Quanqi Li. "Response of Water Radiation Utilization of Summer Maize to Planting Density and Genotypes in the North China Plain." Agronomy 13, no. 1 (2022): 68. http://dx.doi.org/10.3390/agronomy13010068.

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Increasing the planting density of summer maize to improve the utilization efficiency of limited soil and water resources is an effective approach; however, how the leaf water-use efficiency (WUEL), yield, and RUE respond to planting density and genotypes remains unclear. A 2-year field experiment was performed in the North China Plain (NCP) to investigate the effects of planting density (high, 100,000 plants ha−1; medium, 78,000 plants ha−1; and low, 56,000 plants ha−1) and genotypes (Zhengdan 958 and Denghai 605) on the leaf area index (LAI), photosynthetic characteristics, dry-matter accumu

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Muhtar, Muhamad, Syahrudin Syahrudin, Srisukmawati Zainudin, and Syamsul Bahri. "Growth and Biomass Production of Double Cropping Elephantgrass Odot Variety with Inserts of Bisi-16 Maize Plant at Different Planting Density." Jambura Journal of Animal Science 4, no. 2 (2022): 94–99. http://dx.doi.org/10.35900/jjas.v4i2.14048.

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Elephantgrass of the odot variety has a fast harvest period and is able to regrow quickly after defoliation. Bisi-16 maize variety has high production of biomass, crude protein and digestibility of feed. The experimental plots were arranged in a block design of latin square method at 4 treatments of planting density and 4 replications for each planting density. The planting density used for the elephantgrass variety of odot were high density (H), namely H1 = 25 cm x 25 cm (16 plants/m2 without inserting maize) as a control, and H2 = 25 cm x 25 cm (16 plants/m2) with a maize plant insert of 64

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Bates, Griffin M., Sarah K. McNulty, Nikita D. Amstutz, Victor K. Pool, and Katrina Cornish. "Planting Density and Growth Cycle Affect Actual and Potential Latex and Rubber Yields in Taraxacum kok-saghyz." HortScience 54, no. 8 (2019): 1338–44. http://dx.doi.org/10.21273/hortsci13986-19.

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Rubber dandelion (Taraxacum kok-saghyz, Rodin) is being developed as a temperate-zone source of rubber, but best agronomic practices must be determined before it can become a viable supplement to imported rubber produced from para rubber tree (Hevea brasiliensis, hevea) plantations located mostly in Southeast Asia. In our study, the effect of planting density and harvest time on yield was determined by transplanting 1.5-month-old greenhouse-produced plants at planting densities of 1.24, 2.47, 4.94, and 9.88 million plants/ha, randomized across four planting boxes with two densities per box (i.

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TRACHSEL, S., F. M. SAN VICENTE, E. A. SUAREZ, C. S. RODRIGUEZ, and G. N. ATLIN. "Effects of planting density and nitrogen fertilization level on grain yield and harvest index in seven modern tropical maize hybrids (Zea maysL.)." Journal of Agricultural Science 154, no. 4 (2015): 689–704. http://dx.doi.org/10.1017/s0021859615000696.

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SUMMARYTo support tropical maize (Zea maysL.) breeding efforts, the current work aimed to assess harvest index (HI) in modern hybrids and determine the effect of different planting densities on grain yield and HI under well-fertilized (HN) and nitrogen (N) deficient conditions. Harvest index and grain yield of 34 hybrids on average reached 0·42 and 7·06 t/ha (five environments), indicating a large potential for improvement in HI relative to temperate hybrids. Ear weight (r= 0·88), HI (r= 0·78) and shoot dry weight (r= 0·68) were strongly associated with grain yield. In the second experiment, s

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Kasajima, Shinya, Wakana Watanabe, Maki Kitade, and Hirotake Itoh. "Effects of planting density on branching habit in common and Tartary buckwheat." Fagopyrum 40, no. 1 (2023): 15–21. http://dx.doi.org/10.3986/fag0030.

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This study investigated the effects of planting density on the branching habit of common and Tartary buckwheat. A field experiment was conducted using a split-plot design with three replicates, comparing sparse (67 plants m−2), moderate (111 plants m−2), and dense (222 plants m−2) planting densities in ‘Kitawasesoba’ (common) and ‘Manten-Kirari’ (Tartary) buckwheat varieties. Growth characteristics were examined at the stages of flower bud appearance, full flowering, and maturity. Results revealed that planting density had no significant effect on main stem length but showed significant effect

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Havall M. Ahmed, Bakhan Kh. Mohammed, and Nadyah S. Wali. "The Effect of Genotypes and plant distances on leaf miner infestation in pea plant (Pisum sativum L.)." Agricultural Science 5, no. 2 (2022): 102–7. http://dx.doi.org/10.55173/agriscience.v5i2.71.

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Green pea plants are liable to infestation by vegetable leaf miner Liriomyza spp. (Diptera: Agromyzidae) ,is a polyphagous species spread around the world, becoming vegetable crop pests. An experiment was carried out in the directory of agricultural research, Iraq, Sulaimanyah in Plant Protection Research Station in Bakrajo region during season 2020 to study the effect of different genotypes and planting spaces on the population density of Leaf miner infesting pea plants. The obtained results revealed that the population density of leaf miner on pea plants not differed significantly according

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Liu, Lingling, Guoling Liang, and Wenhui Liu. "Differences in Physicochemical Properties of Stems in Oat (Avena sativa L.) Varieties with Distinct Lodging Resistance and Their Regulation of Lodging at Different Planting Densities." Plants 13, no. 19 (2024): 2739. http://dx.doi.org/10.3390/plants13192739.

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Planting density is an effective strategy for regulating both oat lodging and forage quality. To delve into the regulatory mechanisms of planting density on lodging and oat forage quality, lodging-resistant variety LENA and lodging-sensitive variety QY2 were grown in 2018 and 2019 growing seasons, and four planting densities were implemented: 2.25 × 106 plants/ha (D1), 4.5 × 106 plants/ha (D2), 6.75 × 106 plants/ha (D3), and 9 × 106 plants/ha (D4). At the milk stage, we measured the contents of potassium, calcium, magnesium, silicon, lignin, crude fiber, starch, soluble sugar, and soluble prot

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King-Smith, Nathaniel P., Valerie M. Anderson, Aswathy Sasidharan Pillai, Judit E. Puskas, and Katrina Cornish. "Optimal Planting Density of Taraxacum kok-saghyz Bred for Large Root Size: Seed, Latex, and Rubber Yields." HortScience 60, no. 4 (2025): 457–66. https://doi.org/10.21273/hortsci18374-24.

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The rubber dandelion, Taraxacum kok-saghyz (TK), produces similar quality natural rubber (NR) to Hevea but can be grown in temperate regions and could supplement the global supply chain, providing NR security to countries relying on imports. This study examines the effect of planting density on yield parameters uniquely using an advanced rubber dandelion accession bred for large root size in the field for eight generations. Plants were grown at densities of 0.31, 0.62, 1.23, and 2.47 million plants/ha in greenhouse planting boxes. The effects of planting density on plant growth, seed set, late

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Lin, Guobing, Long Wang, Yiyang Li, et al. "Optimal Planting Density Increases the Seed Yield by Improving Biomass Accumulation and Regulating the Canopy Structure in Rapeseed." Plants 13, no. 14 (2024): 1986. http://dx.doi.org/10.3390/plants13141986.

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Planting density is an important factor affecting plant growth and yield formation in rapeseed. However, the understanding of the mechanism underlying the impact of planting density on biomass, canopy, and ultimate seed yield remains limited. A field experiment was conducted to investigate the effect of planting density on seed yield, yield components, biomass accumulation and partitioning, and canopy structure. Five planting density levels were set as D1 (2.4 × 105 plants ha−1), D2 (3.6 × 105 plants ha−1), D3 (5.4 × 105 plants ha−1), D4 (6.0 × 105 plants ha−1), and D5 (7.2 × 105 plants ha−1).

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Benson, Ifekristi, Josh Lofton, Josie Rice, and Brenna Cannon. "The Impact of Planting Density and Intermediate Skips on Grain Sorghum Yields." Crops 5, no. 3 (2025): 25. https://doi.org/10.3390/crops5030025.

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Planting density can influence the growth and potential yield of grain sorghum systems, particularly in resource-limited environments. Therefore, documenting the sorghum’s response to different planting densities is essential for understanding crop behavior in relation to optimal yields. A study was conducted in Lahoma and Perkins, Oklahoma, in 2019 and 2020 to assess the impact of varying planting densities and within-row planting in-row gaps. Planting density varied from 43,225 to 223,500 plants ha−1. Three additional treatments were implemented at 148,000 plants ha−1 with 0.3, 0.6, and 0.9

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Alipour-Abookheili, Farshid, Hamid-Reza Mobasser, Morteza Siavoshi, and Farshid Golmaei. "The effects of seed priming, planting date and density on the silage yield of corn (Zea mays L.) in summer delayed sowing." Journal of Agricultural Sciences, Belgrade 64, no. 2 (2019): 133–45. http://dx.doi.org/10.2298/jas1902133a.

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To determine the effects of seed priming, date and density of planting on the silage yield of corn (Ks.c704 cultivar) in summer delayed planting, an experiment was carried out as a split-split plot in a randomized complete block design with four replications in 2015 and 2016. Treatments were examined including two planting dates (July 27 and August 13) as main plots, two planting densities (7 and 9 plants per m2) as sub plots and four levels of seed priming (without priming, distilled water, 0.5% KNO3 and 10% PEG(8000)) as sub-sub plots. The results showed maximum of the speed and percentage o

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Hossain, Md Amzad, Ashraful ,, Taslima Akhter, Masuma Akhter Sadia, Tasmina Akhter, and Kazi Ahsan Habib. "Optimization of Planting Density of Indian Spinach in a Recirculating Aquaponics System Using Nile Tilapia." Biological Sciences - PJSIR 65, no. 1 (2022): 18–27. http://dx.doi.org/10.52763/pjsir.biol.sci.65.1.2022.18.27.

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An experiment was conducted for a period of 10 weeks to compare the effect of planting density on the growth and yield of Indian spinach (Basella alba) and Nile tilapia (Oreochromis niloticus) in a re- circulating aquaponics system. Indian spinach was planted at four densities (4 plants/m2, 8 plants/m2, 12 plants/m2 and 16 plants/m2). Stocking density of Nile tilapia (Av. body wt. 32.5 g) was 45 fish/tank (water capacity 300 L) in all planting densities. The highest weight gain, percent weight gain, specific growth rate and protein efficiency ratio of fish were obtained at planting density of

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Vyshnevska, O. V., O. P. Pikich, N. A. Zakharchuk, and M. V. Riazantsev. "YIELD AND SEED PRODUCTIVITY OF PRE-BASIC SEED MATERIAL DEPENDING POTATOES ON GROWING TECHNOLOGY ELEMENTS." Plant varieties studying and protection 15, no. 4 (2019): 382–89. https://doi.org/10.21498/2518-1017.15.4.2019.188684.

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<strong>Purpose.</strong> Development of growing technology elements of pre-basic seed material of potatoes using growth-regulating substances and various densities of minitubers of various fractions planting. <strong>Methods.</strong> Field, laboratory, statistical. <strong>Results.</strong> The influence of growth-regulating substances, landing patterns of minitubers on the yield and seed productivity of potato seed material improved by <em>in vitro</em> meristem was studied in the pre-basic seed production nursery garden of the Institute for Potato Research, NAAS in

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Pereira, Juliana de Souza, Priscila Izidro de Figueirêdo, Jefferson Souza dos Anjos, Fleming Sena Campos, Gherman Garcia Leal de Araújo, and Tadeu Vinhas Voltolini. "Forage yield and structural responses of spineless cactus ‘Orelha de Elefante Mexicana’ at different planting densities." Acta Scientiarum. Agronomy 44 (December 21, 2021): e53016. http://dx.doi.org/10.4025/actasciagron.v44i1.53016.

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The objective was to evaluate the forage yield and structural responses of spineless cactus ‘Orelha de Elefante Mexicana’ (OEM) (Opuntia stricta (Haw.) Haw) at different planting densities. The experimental design was a randomized block with five treatments and four replicates, during two production cycles of 12 months each. The evaluated densities were 20,000; 25,000; 33,333; 50,000; and 100,000 plants ha-1. The increase in planting density caused a linear reduction in plant height, width, and mass, as well as in number of primary, secondary, tertiary, and overall cladodes. It also caused a l

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Li, Qinyu, Tairu Zeng, Yi Hu, et al. "Effects of Soybean Density and Sowing Time on the Yield and the Quality of Mixed Silage in Corn-Soybean Strip Intercropping System." Fermentation 8, no. 4 (2022): 140. http://dx.doi.org/10.3390/fermentation8040140.

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Intercropping is a cropping strategy that makes efficient use of space, nutrients, and soil. A 2-year field trial was conducted in 2019 and 2020 to study the effects of different soybean sowing times (9 days before corn sowing (ST1), 0 days at corn sowing (ST2), and 9 days after corn sowing (ST3), respectively) and densities (120,000 plants ha−1 (PD1), 150,000 plants ha−1 (PD2), and 180,000 plants ha−1 (PD3), respectively, and the planting density of corn was 60,000 plants ha−1 constantly) on total yield and on mixed silage quality in corn-soybean strip intercropping system. The yield decrease

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Mwamlima, Louis Hortensius, Josephine Pamela Ouma, and Erick Kimutai Cheruiyot. "Leaf Gas Exchange and Root Nodulation Respond to Planting Density in Soybean [Glycine max (L) Merrill]." Advances in Agriculture 2020 (January 30, 2020): 1–7. http://dx.doi.org/10.1155/2020/6424389.

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Planting density influences structural characteristics and affects mineral nutrient acquisition, irradiance and photosynthesis amongst plants. An experiment was conducted to determine the effect of planting density on leaf gas exchange and nodulation of soybean (Glycine max (L) Merrill). The experiment was conducted as a randomized complete block design (RCBD) in a 5 by 2 factorial treatment arrangement and was replicated three times. Planting density (10, 12, 20, 40, and 80 plants m−2) and soybean varieties (EAI 3600 and DPSB 19) were first and second factors, respectively. Collected data wer

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Salo, L. V., and O. M. Serbul. "Influence fractions of the planting materialon the yeild of garlic winter." 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): 75–80. http://dx.doi.org/10.35550/visnykagro2019.01.075.

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The influence of different fractions of planting material (large, medium and small) and the density of standing plants on the yield capacity of garlic bulbs has been studied. It has been found out that the highest average yield capacity is formed from the large fractions of cloves at a lower density. A large fraction of planting material of the cloves forms a larger number of roots. The density of standing plants is less influential than the size of the fraction. Key words: winter garlic, fraction of planting material, plant stand density, yield capacity, number of roots.

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Mukhtar, Muhammad. "Dry matter productivity of the dwarf and normal elephantgrasses as affected by the planting density and cutting frequency." Jurnal Ilmu Ternak dan Veteriner 11, no. 3 (2012): 198–205. https://doi.org/10.14334/jitv.v11i3.526.

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The effects of planting density and cutting frequency on dry matter productivity were compared in two years following establishment among dwarf varieties (early-heading, DE and late-heading, DL) and normal varieties, Wruk wona (Wr) and Merkeron (Me), in the southern part of Kyushu, Japan. The planting densities examined for Wr, DE and DL were high (16 plants/m2, 25 cm Ã— 25 cm of spacing), medium (8 plants/m2, 50 Ã— 25 cm), and low (4 plants/m2, 50 cm Ã— 50 cm), while for Me was only medium. The cutting frequency was three times with 60-day intervals in 2002 and two times with 90-day intervals

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Xu, Cailong, Ruidong Li, Wenwen Song, et al. "Responses of Branch Number and Yield Component of Soybean Cultivars Tested in Different Planting Densities." Agriculture 11, no. 1 (2021): 69. http://dx.doi.org/10.3390/agriculture11010069.

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Increasing planting density is one of the key management practices to enhance soybean yield. A 2-yr field experiment was conducted in 2018 and 2019 including six planting densities and two soybean cultivars to determine the effects of planting density on branch number and yield, and analyze the contribution of branches to yield. The yield of ZZXA12938 was 4389 kg ha−1, which was significantly higher than that of ZH13 (+22.4%). In combination with planting year and cultivar, the soybean yield increased significantly by 16.2%, 31.4%, 41.4%, and 46.7% for every increase in density of 45,000 plant

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Soppelsa, Sebastian, Michael Gasser, and Massimo Zago. "Optimizing Planting Density in Alpine Mountain Strawberry Cultivation in Martell Valley, Italy." Agronomy 13, no. 5 (2023): 1422. http://dx.doi.org/10.3390/agronomy13051422.

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Optimizing profitability is a challenge that strawberry farmers must face in order to remain competitive. Within this framework, plant density can play a central role. The aim of this two-year study was to investigate how planting density can induce variations in plant growth and yield performances in an alpine mountain strawberry cultivation (Martell Valley, South Tyrol, Italy), and consequently quantify the farm profit. Frigo strawberry plants cv. Elsanta were planted in soil on raised beds and subjected to five different planting density levels (30,000 and 45,000 as large spacing; 60,000 as

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Torres-Quezada, Emmanuel, and Ricardo José Gandini-Taveras. "Plant Density Recommendations and Plant Nutrient Status for High Tunnel Tomatoes in Virginia." Horticulturae 9, no. 10 (2023): 1063. http://dx.doi.org/10.3390/horticulturae9101063.

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Open-field tomatoes in Virginia are traditionally planted in a single row with 2 ft (0.60 m) of in-row spacing, resulting in a plant density of 4356 plants per acre (10,890 plants/ha). However, there has been increasing interest among small and medium-sized farmers in high tunnel production. In order to be profitable, farmers must maximize their yield per unit area and take advantage of the potential benefits of producing under high tunnels. A common approach under greenhouse conditions is to increase the planting density to enhance yield per area. However, high tunnel farmers often extrapolat

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Yang, Jinsheng, Wenjie Geng, Jiwang Zhang, Baizhao Ren, and Lichun Wang. "Responses of the Lodging Resistance of Summer Maize with Different Gene Types to Plant Density." Agronomy 12, no. 1 (2021): 10. http://dx.doi.org/10.3390/agronomy12010010.

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The appropriate increase of planting densities is the key to the obtainment of high-yield maize (Zea mays L.). However, lodging is a major constraint to limit grain yield under increased planting density in present maize production. Effects of population density on stalk lodging and agronomic traits were investigated using two maize cultivars Denghai 618 (DH618, low stalk with low spike height) and Xianyu335 (XY335, high stalk with high spike height). Four levels of density treatment were imposed by 1.5, 6.0, 7.5, and 9.0 × 104 plants ha−1. Results showed that bending strength, rind penetratio

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