Effect of Plant Spacing and Number of Seedlings per Hill toTransplanted Rice (Oryza Sativa X Oryza Glaberrima) under Irrigation in Middle Awash, Ethiopia

Dejen, Tamiru

doi:10.9734/jalsi/2018/42081

Cited by 8 publications

(8 citation statements)

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“…On the other hand when three seedlings were used (S 3 ) per hill the minimum number of spikelets/panicle (163.38) were obtained. This result was consistent with findings of Dejen [13] and Hasanuzzaman et al [22] who stated that number of spikelets was decreased when number of seedlings were increased.…”

Section: Number Of Spikelets/paniclesupporting

confidence: 93%

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Effect of Variety and Seedling Number on the Growth and Yield of Boro Rice in Bangladesh

Chowhan¹,

Hoque

Ghosh³

et al. 2019

JEAI

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Rice is the most important human food crop in the world. In Bangladesh rice is cultivated throughout the year as Aus, Aman and Boro. Among them boro rice is generally cultivated in November to March. More than half of the total production (55.5%) is obtained in this season. Generally, farmers use more than the recommended number of seedlings during transplanting. The number of seedlings plays a vital role in the growth, development and yield of rice. The aim of this experiment was to determine the number of seedling(s) during transplanting for boro rice varieties for higher growth and yield. This investigation was carried out at the research field of BINA sub-station under Khagrachari sadar upazila in Bangladesh during December 2017 to May 2018. The experiment tested three seedling numbers; S1 (Single), S2 (double), S3 (triple) and four varieties V1 (BRRI dhan-28), V2 (Binadhan-14), V3 (Heera-1), V4 (Shakti-2) in a factorial RCB design with three replications. Results revealed that significantly highest plant height was obtained with treatment S1´V3 (110.30 cm) and S3´V4 (109.4 cm) while the maximum number of tillers/hill from S3´V1 (16.93) and S2´V1 (16.07). In terms of production, treatment combination S3´V4 gave the highest grain (10.40 t/ha), straw (10.40 t/ha) and biological yield (10.40 t/ha). Harvest index was the highest in treatment S1´V4 (59.48). From the above findings it was observed that single seedling performed better than two and three seedlings per hill in terms of getting optimum yield of boro rice varieties. Hence, the rice growing farmers should avoid the use of extra seedlings during transplanting to save labor, time and money.

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Section: Number Of Spikelets/paniclesupporting

confidence: 93%

“…It interprets that, for higher tillering rice transplanting with two seedlings is economically viable over planting with one or two seedling. Dejen [13] observed similar findings. [14] and Dey et al [15] who noticed that number of total tillers/hill differed among varieties.…”

Section: Total Number Of Tillers/hillsupporting

confidence: 61%

Effect of Variety and Seedling Number on the Growth and Yield of Boro Rice in Bangladesh

Chowhan¹,

Hoque

Ghosh³

et al. 2019

JEAI

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“…The significant variation in terms of the tillering ability of Bhur Kambja-1 under different numbers of seedlings at transplantation corroborates the findings of Dejen (2018), Mahamud et al (2013, Promsomboon et al (2019), Imran, Inamullah, Naeem, and Khan (2015), and Islam and Salam (2017) who reported significant differences in the number of tillers under different number of seedlings hill -1 . Tillering capacity may be attributed to the variety and is also affected by cultivation methods such as fertilizer application (Nuruzzaman, Yamamoto, Nitta, Yoshida, & Miyazaki, 2000).…”

Section: No Of Tillers Hill -1supporting

confidence: 84%

“…This is also true for other treatments concerning the number of unfilled grains (17 to 23), but the numbers of tillers hill -1 showed an inconsistent pattern. The maximum grain yield of rice using three seedlings hill -1 was also obtained by Bhowmik, Sarkar, and Zaman (2012) and Dejen (2018). The highest grain yield might be due to optimum density suitable for Bhur Kambja-1 to tiller adequately.…”

Section: Grain Yieldmentioning

confidence: 81%

Assessment of Seedling Rate per Hill for Irrigated Rice in a Wet Sub-Tropical Condition of Bhutan

Ngawang

Dendup

Tshomo

2022

BJA

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A field experiment was conducted at the research farm of the Agriculture Research and Development Centre (ARDC) Samtenling in Sarpang district of Bhutan in 2020 to assess the effects of transplanting different numbers of seedlings per hill on grain yield and yield components of rice under irrigated conditions. A widely adopted rice variety, Bhur Kambja-1, was used for the study with one to seven seedlings per hill transplanted at 20×20 cm spacing. The experiment was laid out in a randomized complete block design with three replications. The results of the experiment revealed that the number of seedlings per hill had a significant effect on number of tillers per hill and grain yield. In terms of rice grain yield, a significant difference was observed only between three and seven seedlings per hill with a recorded yield of 3.9 and 2.7 t ha-1, respectively. However, no significant effect was established on other yield components, such as the plant height, panicle length, number of grains per panicle, and unfilled grains per panicle. Therefore, this study recommends transplanting three seedlings hill-1 for cultivation of Bhur Kambja-1 rice variety in the wet-subtropical condition of Bhutan as three seedlings per hill yielded significantly higher productivity and could potentially reduce the seed rate.

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“…Further, fertilizer treatments did not result in significant differences. Another researcher in Ethiopia [14] obtained longer panicles in long rains season and shorter panicles in short rains season compared to another study in Kenya that obtained contrary results [15]. Our study found significant differences in panicle length among the varieties, a result that was also obtained by [16] in Tanzania.…”

Section: Panicle Lengthsupporting

confidence: 72%

Effect of Inorganic Fertilizers and Farm Yard Manure on Agronomic Characteristics of Upland Rice Straw in Taita Taveta Highlands, Kenya

Wekesa¹,

Kambura²,

Maghenda³

et al. 2021

IJPSS

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The study evaluated upland rice varietal agronomic characteristics and differences due to effects of fertilizer treatment and season at Taita Taveta University, Ngerenyi campus. The experiment was conducted during the short rains of 2018 and long rains of 2019. The experiment was a Randomized Complete Block Design with 3 replications. Individual plots measured 2.5 m by 2 m. Varieties evaluated were 17KH09010093B, WDR73 Hybrid, NERICA 1, NERICA 10 and Komboka. The treatments included were farm yard manure (8 tons ha-1), DAP at 75 kg ha-1, NPK (17:17:17) at 65 kg ha-1, and no fertilizer. Plant height, panicle length, leaf length, number of tillers, fresh weight, and dry weight were assessed. Variety, fertilizer and season had significant effects (P=0.05) on the morphological variables. NERICA 10 was the tallest variety at a mean of 72 cm in 2018 and a mean height of 61 cm in 2019. DAP treated plants were the tallest in both 2018 and 2019. Varieties were significantly different (P=0.0004) for panicle length. NERICA 10 had the longest panicles. Varietal effect was significant (P<0.001) for leaf length. NERICA 1 had the longest leaves in both seasons. DAP had the greatest effect on leaf length. Varieties differed significantly (P<0.001) in number of tillers per plant. Variety 17KH09010093B had the highest number of tillers per plant of 34.78 obtained in 2018. DAP resulted in the highest number of tillers. Variety and fertilizers interacted significantly (P=0.007) for foliage weight. WDR73 Hybrid out-yielded other varieties (149.31g) in fresh foliage weight. DAP resulted in the highest fresh morphological yield followed by NPK. There were significant differences in dry foliage weight among varieties and between seasons (P<0.001). Variety 17KH09010093B had the highest dry weight. Further studies on the socio–economics of fertilizer use should be conducted to provide reliable recommendations for upland rice production as forage.

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Effect of Plant Spacing and Number of Seedlings per Hill toTransplanted Rice (Oryza Sativa X Oryza Glaberrima) under Irrigation in Middle Awash, Ethiopia

Cited by 8 publications

References 0 publications

Effect of Variety and Seedling Number on the Growth and Yield of Boro Rice in Bangladesh

Effect of Variety and Seedling Number on the Growth and Yield of Boro Rice in Bangladesh

Assessment of Seedling Rate per Hill for Irrigated Rice in a Wet Sub-Tropical Condition of Bhutan

Effect of Inorganic Fertilizers and Farm Yard Manure on Agronomic Characteristics of Upland Rice Straw in Taita Taveta Highlands, Kenya

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