scholarly journals Effects of spacing and nitrogen levels on yield and yield contributing characters of maize

2016 ◽  
Vol 14 (1) ◽  
pp. 43-48 ◽  
Author(s):  
MM Rahman ◽  
SK Paul ◽  
MM Rahman
Keyword(s):  
Grain Yield ◽  
Harvest Index ◽  
Block Design ◽  
Grain Weight ◽  
Yield Attributes ◽  
Nitrogen Levels ◽  
Randomized Complete Block Design ◽  
Stover Yield ◽  
Effect On Yield ◽  
1000 Grain Weight

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during November 2014 to April 2015 to investigate the effect of planting spacing and nitrogen levels on yield attributes and yield of maize cv. Khaibhutta. The experiment comprised three nitrogen levels viz. 50, 100 and 150 kg N ha-1 and five plant spacings viz. 75 cm × 25 cm, 75 cm × 20 cm, 50 cm × 25 cm, 50 cm × 20 cm and 100 cm × 20 cm. The experiment was laid out in a randomized complete block design with three replications. Results revealed that nitrogen levels and plant spacing had significant effect on yield attributes and yield of Khaibhutta. The highest number of cobs plant-1, grains row-1, grain yield and stover yield were recorded with 150 kg N ha-1 followed by 100 kg N ha- 1and the lowest values were observed in 50 kg N ha-1. The highest number of cobs plant-1, grain rows cob-1, grains row-1, grains cob-1, 1000-grain weight, grain yield and harvest index were recorded at 75 cm × 25 cm spacing. In contrast, the closest spacing of 50 cm x 20 cm produced the lowest values of grain rows cob-1, grains row-1, grains cob-1, 1000-grain weight and grain yield. In case of interaction, the highest grain yield and harvest index were obtained at 75 cm × 25 cm spacing fertilized with 150 kg N ha-1. The lowest values of the above parameters were recorded in the closest spacing 50 cm × 20 cm with 50 kg N ha-1. From this study it may be concluded that maize (cv. Khaibhutta) can be cultivated at the spacing of 75 cm × 25 cm with 150 kg N ha-1 for appreciable grain yield.J. Bangladesh Agril. Univ. 14(1): 43-48, June 2016

scholarly journals Effect of spacing and number of seedlings per hill on the performance of aus rice cv. NERICA 1 under dry direct seeded rice (DDSR) system of cultivation

2013 ◽  
Vol 10 (2) ◽  
pp. 191-196 ◽  
Author(s):  
SK Bhowmik ◽  
MAR Sarkar ◽  
F Zaman
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Harvest Index ◽  
Block Design ◽  
Grain Weight ◽  
Straw Yield ◽  
Randomized Complete Block Design ◽  
Biological Yield ◽  
Direct Seeded ◽  
1000 Grain Weight

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from April to August 2011 to find out the effect of spacing and number of seedlings hill-1 on the performance of Aus rice cv. NERICA 1. Four spacing viz. 25 cm × l5 cm, 20 cm × l5 cm. 20 cm × 10 cm and 15 cm × 10 cm and four number of seedlings hill-1 viz. 2, 3, 4 and 5 were included in the experiment. The experiment was laid out in a randomized complete block design with three replications. The highest number of total tillers m-2, number of effective tillers m-2, number of grains panicle-1, grain yield, straw yield, biological yield and harvest index were obtained from 20 cm × 10 cm spacing. Plant height and 1000- grain weight were not significantly affected by spacing. Number of seedlings hill-1 exerts a significant effect on plant height. The highest value of total tillers m-2, number of effective tillers m-2, total grains panicle-1, grain yield, straw yield, biological yield and harvest index were obtained from five seedlings hill-1. The interaction between spacing and number of seedlings hill-1 significantly influenced yield and plant characters. The highest number of effective tillers m-2, grains panicle-1, grain yield, straw yield and biological yield were recorded from the interaction between 20 cm × 10 cm and five seedlings hill-1. DOI: http://dx.doi.org/10.3329/jbau.v10i2.14681 J. Bangladesh Agril. Univ. 10(2): 191-195, 2012

scholarly journals GROWTH AND YIELD EVALUATION OF MUSTARD VARIETIES GROWN IN A MEDIUM HIGHLAND OF KHULNA REGION

2021 ◽  
Vol 18 (1) ◽  
pp. 1-8
Keyword(s):  
Seed Weight ◽  
Harvest Index ◽  
Block Design ◽  
Growth Yield ◽  
Growth And Yield ◽  
Rabi Season ◽  
Yield Attributes ◽  
Randomized Complete Block Design ◽  
Stover Yield ◽  
Number Of Seeds

The present research was conducted at the experimental field of Agrotechnology Discipline, Khulna University, Khulna during Rabi season 2016-17 to investigate the growth and yield performance of mustard varieties. The experiment was arranged in a randomized complete block design consisting of eight mustard varieties (viz. BARI Sarisha-8, BARI Sarisha-11, BARI Sarisha-13, BARI Sarisha-14, BARI Sarisha-15, BARI Sarisha-16, Rai and Tori-7) as treatment and replicated thrice. All the growth, yield attributes and yield were substantially influence among the mustard varieties except the phenological parameters. Results of the experiment showed that the highest plant height (131.33 cm), seed yield (1813.33 kg ha-1) and stover yield (3876.67 kg ha-1) were found in BARI Sarisha-16. BARI Sarisha-11 was found better in respect of maximum siliqua plant-1, weight of seeds plant-1, 1000-seed weight and harvest index. Besides this, BARI Sarisha-14 showed the maximum number of seeds siliqua-1. Therefore, findings of this study suggested that BARI Sarisha-16 would be suitable for better productivity and recommended for cultivation in the medium highland of Khulna region of Bangladesh.

Varietal performance of transplant aman rice under different hill densities

1970 ◽  
Vol 34 (1) ◽  
pp. 33-39 ◽  
Author(s):  
MAT Sohel ◽  
MAB Siddique ◽  
M Asaduzzaman ◽  
MN Alam ◽  
MM Karim
Keyword(s):  
Grain Yield ◽  
Key Words ◽  
Harvest Index ◽  
Block Design ◽  
Grain Weight ◽  
Row Spacing ◽  
Lower Yield ◽  
Straw Yield ◽  
Randomized Complete Block Design ◽  
Biological Yield

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh from July to December 2004 to evaluate the effect of hill spacing on the performance of BRRI dhan40 and BRRI dhan41 as Transplant aman crop. The experiment consisted of five hill spacings viz., 5cm. 10cm, 15 cm, and 25 cm where row to row spacing of 25 cm was kept constant for all treatments. The experiment was laid out in randomized complete block design with four replications. The 25 cm x 5 cm hill spacing produced the tallest plant, highest total number of tillers/hill, bearing tillers/hill lowest number of non-hearing tillers/hill, grain yield and harvest index, while 25 cm x 5 cm hill spacing produced the highest number of sterile spikelets/panicle, straw yield and biological yield. BRRI dhan41 produced higher grain yield (4.7 t/ha) which was the contribution of higher number of grains/panicle and heavier grain weight. Lower yield (4.51 t/ha) was recorded in BRRI dhan40.Key Words: Varietal performance; T. aman rice; hill density.DOI: 10.3329/bjar.v34i1.5750Bangladesh J. Agril. Res. 34(1) : 33-39, March 2009

scholarly journals Effect of planting density on yield and yield attributes of local aromatic rice varieties

2018 ◽  
Vol 43 (3) ◽  
pp. 489-497
Author(s):  
J Halder ◽  
GM Rokon ◽  
MA Islam ◽  
N Salahin ◽  
MK Alam
Keyword(s):  
Block Design ◽  
Grain Weight ◽  
The Other ◽  
Planting Density ◽  
Aromatic Rice ◽  
Rice Varieties ◽  
Yield Attributes ◽  
Straw Yield ◽  
Randomized Complete Block Design ◽  
1000 Grain Weight

An experiment was conducted at the Agronomy Field of Patuakhali Science and Technology University, Dumki, Patuakhali from June to December, 2013 to find out the effect of variety and planting density on the yield and yield attributing characters of local aromatic rice. The experiment was laid out in a factorial randomized complete block design with three replications, which consisted of three local aromatic rice varieties (Chinigura, Shakhorkhora and Kalizira) and four planting densities were viz. S1 (25 cm × 20 cm), S2 (20 cm × 20 cm), S3 (20 cm × 15 cm) and S4 (20 cm × 10 cm). The results revealed that the local aromatic rice var. Shakhorkhora variety produced the highest number of grains per panicle (131) and 1000-grain weight (13.8 g), consequently higher grain (2.63 t ha-1), followed by Kalizira (2.56 t ha-1) and straw yield (4.21 t ha-1). One the other hand, higher number of tillers per hill (14.8), number of grains per panicle (140 nos.) were found in 20 cm × 20 cm spacing with higher grain yield.Bangladesh J. Agril. Res. 43(3): 489-497, September 2018

Effect of date of transplanting and nitrogen on productivity and nitrogen use indices in hybrid and non-hybrid aromatic rice

2004 ◽  
Vol 52 (3) ◽  
pp. 245-252 ◽  
Author(s):  
T. Singh ◽  
Y. S: Shivay ◽  
S. Singh
Keyword(s):  
Grain Yield ◽  
N Uptake ◽  
Grain Weight ◽  
Aromatic Rice ◽  
Nutrient Accumulation ◽  
Nitrogen Use ◽  
Yield Attributes ◽  
Nitrogen Levels ◽  
Rice Hybrid ◽  
1000 Grain Weight

A field experiment was carried out during the rainy (kharif) season of 2001 at the experimental farm of the Indian Agricultural Research Institute, New Delhi, India, to study the effect of date of transplanting and nitrogen on yield attributes, yields, nutrient accumulation and nitrogen use efficiencies in hybrid and non-hybrid aromatic rice. The experiment consisted of 9 treatments with 2 varieties (Pusa Basmati 1 and Pusa Rice Hybrid 10), 3 transplanting dates (3, 10 and 17 July, 2001) and 4 nitrogen levels (0, 60, 120 and 180 kg N ha-1). Pusa Rice Hybrid 10 had significantly higher values of yield attributes (panicles hill-1, panicle weight, spikelets panicle-1, filled grains panicle-1, 1000-grain weight), yields and nutrient accumulation than the non-hybrid Pusa Basmati 1. There were significant reductions in yield attributes, yields and nutrient accumulation after delayed transplanting. Timely transplanting on 3 July led to 8.4 and 19.1% higher grain yield than transplanting on 10 and 17 July, respectively. Successive nitrogen levels had a significant effect on yield attributes (except 1000-grain weight), yields and nutrient accumulation up to 120 kg N ha-1. The maximum grain yield (5.87 t ha-1) was recorded at the highest level of N nutrition (180 kg Nha-1) and was 4.2, 15.5 and 39.3% higher than in the 120 kg, 60 kg N ha-1 and control treatments, respectively. Pusa Rice Hybrid 10 also had significantly higher values of agronomic nitrogen use efficiency (ANUE) (12.5 kg grain kg-1 N applied), apparent nitrogen recovery (27.4%), physiological NUE (44.2 kg grain kg-1 N uptake), N harvest index (62.7%), N efficiency ratio (119.6 kg dry matter kg-1 N uptake) and physiological efficiency index of nitrogen (47.4 kg grain kg-1 N uptake) than non-hybrid Pusa Basmati 1.

scholarly journals Effect of variety and weeding regime on the yield components and yield of Aus rice

2014 ◽  
Vol 11 (1) ◽  
pp. 17-21
Author(s):  
B Mondal ◽  
MAR Sarkar ◽  
SK Paul ◽  
F Zaman
Keyword(s):  
Grain Yield ◽  
Yield Components ◽  
Harvest Index ◽  
Block Design ◽  
Grain Weight ◽  
Method Of Planting ◽  
Hand Weeding ◽  
Experimental Treatments ◽  
Crop Parameters ◽  
1000 Grain Weight

A field experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, during the period from April to July 2012 to study the effect of variety and weeding regime on the yield components and yield of Aus rice. The experiment was laid out in a randomized complete block design with three replications. The experimental treatments comprised four varieties viz. BR 26, BRRI dhan27, BRRI dhan48 and Pariza; and five weeding treatments viz. no weeding, one hand weeding at 20 DAS(Days after sowing), two hand weeding at 20 DAS and 30 DAS, three hand weeding at 20, 30 and 40 DAS and weed free. Here broadcasting method of planting was used. Results revealed that varieties had significant effect on plant height, number of total tillers hill-1, number of effective tillers hill-1, number of non-effective tillers hill-1, number of grains panicle-1, number of unfilled spikelets panicle-1, 1000-grain weight, grain yield, straw yield, biological yield and harvest index. Grain yield was the highest in BRRI dhan48. Weeding regime had also significant effect on all the studied crop parameters except 1000-grain weight. The highest grain yield was obtained from weed free condition followed by three, two and one weeding conditions. Interaction between variety and weeding regime significantly influenced all the studied crop parameters except 1000-grain weight and harvest index. In interaction it was observed that the highest grain yield was obtained from BRRI dhan48 under two weeding condition. DOI: http://dx.doi.org/10.3329/jbau.v11i1.18198 J. Bangladesh Agril. Univ. 11(1): 17-21, 2013

scholarly journals Effect of herbicide Prechlor on the performance of T. aman rice

2014 ◽  
Vol 11 (2) ◽  
pp. 257-264 ◽  
Author(s):  
MSA Faruk ◽  
MA Salam ◽  
M Jannat ◽  
MG Rabbani
Keyword(s):  
Grain Yield ◽  
Weed Control ◽  
Harvest Index ◽  
Block Design ◽  
Dry Weight ◽  
Panicle Length ◽  
Yield Attributes ◽  
Four Levels ◽  
Effect On Yield ◽  
And Performance

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University (BAU), Mymensingh during the period from July to December 2012 to find out the effect of herbicide Prechlor 500 EC on weed control and performance of transplant aman rice. The experiment was laid out in a randomized complete block design with four replications. The experiment consisted of two varieties viz., BRRI dhan41 and Nizershail, and four levels of Prechlor @ 0, 0.5, 1.0 and 1.5 L ha-1. Monochoria vaginalis, Nymphaea nouchali, Paspalum scrobiculatum, Echinochloa crusgalli and Scirpus juncodies were the major weeds in the experimental plots. Prechlor 500EC @ 1.5 L ha-1 showed the best performance in reducing weed density, weed dry weight and increased weed control efficiency but reduce grain yield. Variety had significant influence on all the yield and yield contributing characters of rice. Higher grain yield (3.09 t ha-1) was obtained from BRRI dhan41. Different levels of Prechlor also had significant effect on yield and yield contributing characters such as number of total tillers hill-1, number of effective tillers hill-1, panicle length, spikelets panicle-1, grains panicle-1, grain yield, straw yield and harvest index. Prechlor @ 1.5 L ha-1 showed best performance with respect to most yield attributes, grain and straw yields and the lowest grain yield was obtained from Prechlor @ 0 L ha-1. The interaction effects of variety and herbicide Prechlor had significant effect on all yield attributes except plant height, effective tillers hill-1, panicle length, 1000-grain weight and harvest index. The highest grain yield (3.62 t ha-1) was obtained from variety BRRI dhan41 with Prechlor @ 1.5 L ha-1. The results suggest that farmers can be advised to use herbicide Prechlor @ 1.5 L ha-1 to boost up the production of BRRI dhan41 controlling weeds during aman season under the agro-climatic condition of the study area. DOI: http://dx.doi.org/10.3329/jbau.v11i2.19923 J. Bangladesh Agril. Univ. 11(2): 257-264, 2013

scholarly journals Yield performance of some transplant aman rice varieties as influenced by different levels of nitrogen

2016 ◽  
Vol 12 (2) ◽  
pp. 321-324 ◽  
Author(s):  
MT Jisan ◽  
SK Paul ◽  
M Salim
Keyword(s):  
Grain Yield ◽  
Climatic Condition ◽  
Block Design ◽  
Grain Weight ◽  
Rice Varieties ◽  
Yield Performance ◽  
Randomized Complete Block Design ◽  
Four Levels ◽  
Different Levels ◽  
1000 Grain Weight

The experiment was carried out during the period of June to November 2013 at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh with a view to examine the yield performance of some transplant aman rice varieties as influenced by different levels of nitrogen. The experiment consisted of four varieties viz. BRRI dhan49, BRRI dhan52, BRRI dhan56, BRRI dhan57 and four levels of N viz. 0, 46, 60 and 75 kg ha-1. The experiment was laid out in a randomized complete block design with three replications. Variety, levels of N and their interactions exerted significant influence on yield contributing characters and yield of transplant aman rice. Among the varieties, BRRI dhan52 produced the tallest plant (117.20 cm), highest number of effective tillers hill-1 (11.28), grains panicle-1 (121.5) and 1000-grain weight (23.65 g) whereas the lowest values of these parameters were produced by BRRI dhan57. Highest grain yield (5.69 t ha-1) was obtained from BRRI dhan52 followed by BRRI dhan49 (5.15 t ha-1) and the lowest one (4.25 t ha-1) was obtained from BRRI dhan57. In case of N, the tallest plant (111.70 cm), highest number of total tillers hill-1 (12.34), grains panicle-1 (133.6), 1000-grain weight (24.55 g) and grain yield (5.64 t ha-1) were obtained from 75 kg N ha-1 and the lowest values were obtained from control. BRRI dhan52 fertilized with 75 kg N ha-1 showed best performance with respect to all the parameters studied. The overall results suggest that BRRI dhan52 should be fertilized with 75 kg N ha-1 for getting higher yield under the agro-climatic condition of BAU.J. Bangladesh Agril. Univ. 12(2): 321-324, December 2014

scholarly journals Genetic potential and heritability estimates of yield traits in F3 segregating populations of bread wheat

2015 ◽  
Vol 4 (2) ◽  
pp. 106-115
Author(s):  
Soshma Jan ◽  
Fida Mohammad ◽  
Fahim Ullah Khan
Keyword(s):  
Grain Yield ◽  
Bread Wheat ◽  
Harvest Index ◽  
Block Design ◽  
Grain Weight ◽  
Spike Length ◽  
Cross Combination ◽  
Biological Yield ◽  
Heritability Estimates ◽  
1000 Grain Weight

An experiment comprising of 24 wheat genotypes was undertaken during 2011-12, at New Developmental Research Farm, The University of Agriculture Peshawar, to elucidate information on the nature and magnitude of genetic variability, index of transmissibility and assessing the level of genetic improvement of the quantitative characters. The experimental material comprising 19 F3 populations along with their 5 parents of bread wheat were evaluated in randomized complete block design (RCBD) with three replications. Analysis of variance exhibited highly significant (P ≤ 0.01) differences among genotypes for all the traits studied. F3 population Ghaznavi-98 x Pirsabak-05 showed maximum mean value for 1000-grain weight (47.3 g) and biological yield (11474.9 kg ha-1), whereas, maximum values for grain yield (4027.3 kg ha-1), and harvest index (48.1%) were observed for Pirsabak-05 x AUP-4006. Moreover, maximum spike length (11 cm) was recorded for cross combination Pirsabak-05 x Pirsabak-04 and Janbaz x Pirsabak-05, respectively. In addition, Pirsabak-04 showed maximum value for number of grains spike-1 (55.0). Genetic variances were of greater magnitude than environmental variances for all the traits except for spike length and 1000-grain weight. Heritability estimates were of higher magnitude ranged from 0.64 to 0.92 for harvest index, biological yield, grain yield, and grains spike-1. Moderate to low heritability (0.40-0.46) was observed for 1000-grain weight, and spike length, respectively. Genetic gain was for spike length (0.48 cm), grains spike-1 (8.57), 1000-grain weight (2.93 g), grain yield (639.87 kg ha-1), biological yield (1790.03 kg ha-1), and harvest index (5.32 %). From high values of heritability and genetic advance, it could be concluded that selection for traits like grains spike-1 suggested good selection criteria and could be effective for future breeding programs. DOI: http://dx.doi.org/10.3126/ije.v4i2.12630 International Journal of Environment Vol.4(2) 2015: 106-115

scholarly journals Effect of variety and nitrogen rate on the yield performance of boro rice

2015 ◽  
Vol 26 (1) ◽  
pp. 6-14 ◽  
Author(s):  
SG Chamely ◽  
N Islam ◽  
S Hoshain ◽  
MG Rabbani ◽  
MA Kader ◽  
...  
Keyword(s):  
Grain Yield ◽  
Harvest Index ◽  
Dry Matter ◽  
Block Design ◽  
Panicle Length ◽  
Straw Yield ◽  
Randomized Complete Block Design ◽  
Harvest Data ◽  
1000 Grain Weight ◽  
Boro Rice

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from November 2010 to May 2011 to study the effect of variety and rate of nitrogen on the performance of Boro rice. The experiment comprised three varieties viz., BRRI dhan28 (V1), BRRI dhan29 (V2) and BRRI dhan45 (V3); and five rates of nitrogen viz., control (N0), 50 kg  (N1), 100 kg (N2), 150 kg  (N3)and 200 kg  (N4) N ha-1. The experiment was laid out in a randomized complete block design with four replications. The growth analysis results indicate that the tallest plant (80.88 cm) and the highest number of total tillers hill-1 (13.80) were observed in BRRI dhan29 at 70 DATs and the highest total dry matter (66.41 g m-2) was observed in BRRI dhan45. The shortest plant (78.15 cm) and the lowest number of tillers hill-1 (12.41) were recorded from BRRI dhan45 and the lowest dry matter (61.24 g) was observed in BRRI dhan29. The tallest plants (84.01 cm), highest number of tillers hill-1 (14.06) and the highest dry matter (69.58 g m-2) were obtained from 200 kg N ha-1. The tallest plants (86.48 cm) and maximum dry matter (72.30 g m-2) were recorded from BRRI dhan28 with 200 kg N ha-1 and BRRI dhan45 with 200 kg N ha-1, respectively. The highest number of tillers hill-1 (15.14) was obtained from BRRI dhan29 with 50 kg N ha-1. The harvest data reveal that variety had significant effect on total tillers hill-1, effective tillers hill-1, non-effective tillers hill-1, panicle length, grain yield, straw yield and harvest index. The highest grain yield (4.84 t ha-1) was recorded from BRRI dhan29. The results of the experiment also indicate that total tillers hill-1, effective tillers hill-1, grains panicle-1, sterile spikelets panicle-1, grain yield, straw yield and harvest index were significantly affected by levels of nitrogen, while plant height, panicle length, 1000-grain weight were not significantly affected by levels of nitrogen. The highest grain yield (5.58 t ha-1) was obtained from 200 kg N ha-1. Interaction effect of variety × 200 kg N ha-1 produced the highest grain yield (5.82 t ha-1). From the results of the study it may be concluded that BRRI dhan29 rice may be cultivated with 200 kg N ha-1 for obtaining higher yield in AEZ 9 of Bangladesh.Progressive Agriculture 26:6-14, 2015

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