scholarly journals Evaluation of Urea Super Granule as a Source of Nitrogen in Transplant Aman Rice

2014 ◽  
Vol 24 (1-2) ◽  
pp. 29-37 ◽  
Author(s):  
TA Qurashi ◽  
MA Salam ◽  
M Jannat ◽  
MG Rabbani
Keyword(s):  
Grain Yield ◽  
Yield Components ◽  
Block Design ◽  
Prilled Urea ◽  
Randomized Complete Block Design ◽  
Yield And Yield Components ◽  
Use Efficiency ◽  
Experimental Treatments ◽  
N Management ◽  
1000 Grain Weight

An experiment was carried out at Bangladesh Agricultural University, Mymensingh to evaluate the effect of urea super granule (USG) as a source of nitrogen on the yield and yield components of transplant Aman rice cv. BRRI dhan39, BRRI dhan46 and BINA dhan7. Five levels of N (viz., 0, 60, 120 kg ha-1 as prilled urea and 60 and 120 kg ha-1 as USG) were taken as experimental treatments. The experiment was laid out in a randomized complete block design with three replications. Plant height, effective tillers hill-1, grains panicle-1 and grain yield varied significantly due to different cultivars. All the yield and yield components except 1000-grain weight were influenced significantly by the levels of nitrogen fertilizer. The highest grain yield (4.82 t ha-1) was recorded in BINA dhan7 and the lowest one (4.30 t ha-1) was recorded in BRRI dhan39. Nitrogen @ 120 kg ha-1 as USG performed the best among the treatments in respect of yield and yield components of rice. The highest grain yield (5.46t ha-1) was obtained from BINA dhan7 with 120 kg N ha-1 as USG which was statistically identical with 60 kg N ha-1 as USG. A considerable amount (31.25%) of prilled urea (PU) nitrogen could be saved by using USG. It may be concluded that USG could be used as N management to achieve better nitrogen use efficiency in reducing N loss than the PU.DOI: http://dx.doi.org/10.3329/pa.v24i1-2.19095 Progress. Agric. 24(1&2): 29 - 37, 2013

scholarly journals Effect of Phosphorus Levels on Yield Components and Grain Yield of Two Nerica Varieties in Mwea

2019 ◽  
pp. 1-13
Author(s):  
Etabo Edung Mathew ◽  
N. K. Korir ◽  
J. P. Gweyi-Onyango
Keyword(s):  
Grain Yield ◽  
Yield Components ◽  
Block Design ◽  
Grain Filling ◽  
Rice Farming ◽  
Rice Varieties ◽  
Randomized Complete Block Design ◽  
Grain Formation ◽  
1000 Grain Weight ◽  
Phosphorus Levels

Phosphorus is one macronutrient that commonly gets fixed and accumulates into soils after it has been in use for long, thus becoming readily unavailable to plants in subsequent years. Such scenario is ontological in Mwea where rice farming is practiced, yet this element is one main critical nutrient that plants cannot do without for they need it for root initiation, root development, photosynthesis, grain- formation, grain-filling, as well as yielding. In that view therefore, an experiment was undertaken in Mwea irrigation scheme with the aim of investigating on the influence of phosphorus levels on yield components and grain yield of Nerica 4 and 11. The experiment was laid out in a Randomized Complete Block Design in split-plot arrangement replicated thrice. Two rice varieties (Nerica 4 and Nerica 11) formed main plots and phosphorus levels (0 kg P/ha, 25 kg P/ha, 50 kg P/ha and 75 kg P/ha) formed split plots. Data was collected on appropriate parameters between week 4 and 19 after sowing at intervals of three weeks. Results demonstrated that phosphorus levels significantly influenced the 1000-grain weight and number of panicles in the tested varieties. Additionally, Grain yield mean variation was observed, where highest grain yield of 0.988 tons per hectare was produced in Nerica 4 on 50 kg P/ha in season 2, while least grain yield of 0.831 tons per hectare was still produced in the same variety on control in season 1, thus 50 kg P/ha on Nerica 4 is recommended for rice farming in Mwea. The study would be used as a body of guidelines and information for judicial, responsible, and promotion of prescribed application of phosphates in Nerica rice farming at planting for realization of higher yields between the two Nerica varieties (Nerica 4 and 11) in Mwea and with like agro ecological areas.

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 Seedling Age and Method of Transplanting on the Yield of Aman Rice

2014 ◽  
Vol 24 (1-2) ◽  
pp. 9-16
Author(s):  
TK Sarker ◽  
MD Hossain ◽  
MA Salam ◽  
MG Rabbani
Keyword(s):  
Grain Yield ◽  
Yield Components ◽  
Harvest Index ◽  
Block Design ◽  
Maximum Yield ◽  
Straw Yield ◽  
Seedling Age ◽  
Field Laboratory ◽  
Randomized Complete Block Design ◽  
Experimental Treatments

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh from June to December 2012 with a view to finding out the effect of seedling age and method of transplanting on the yield of Aman rice. Four seedling ages (10, 20, 30 and 40 days) and two transplanting methods (line and haphazard) were used as experimental treatments with four replications in a randomized complete block design. Seedling age, transplanting method and their interaction significantly influenced most of the yield components and yield of transplant Aman rice cv. BRRI dhan41. The highest total tillers, effective tillers hill-1, grains panicle-1, grain yield, straw yield and harvest index were obtained from 30-day-old seedlings. Line transplanting method produced the highest total tillers, effective tillers hill-1, grain yield and harvest index. The highest total tillers, effective tillers hill-1, grain yield and harvest index were obtained from 30-day-old seedlings with line transplanting method. Results revealed that 30-day-old seedlings under line transplanting method could be used to obtain maximum yield of transplant Aman rice cv. BRRI dhan41.DOI: http://dx.doi.org/10.3329/pa.v24i1-2.19092 Progress. Agric. 24(1&2): 9 - 16, 2013

scholarly journals Effect of Transplanting Dates on Yield and Yield Components of Nerica Rice Mutants at Drought Prone Areas of Bangladesh

2019 ◽  
pp. 1-6
Author(s):  
M. I. Ali ◽  
M. A. Islam ◽  
M. M. Islam ◽  
M. S. Islam ◽  
M. A. Rouf ◽  
...  
Keyword(s):  
Grain Yield ◽  
Interaction Effect ◽  
Yield Components ◽  
Block Design ◽  
Maximum Yield ◽  
Plot Size ◽  
Randomized Complete Block Design ◽  
Yield And Yield Components ◽  
Check Variety ◽  
Mutant Lines

To investigate the effect of various transplanting dates on yield and yield attributing characteristics of Nerica rice mutants at drought prone areas, Ishurdi and Chapai Nawabgonj during aman season. Two advanced Nerica mutant lines (N4/350/P-4(5), N10/350/P-5-4) were evaluated compared with one check variety (Binadhan-17) with three dates of transplanting (D1=July 20, D2=July 30 and D3=August 10). The experiments were laid out on randomized complete block design (RCBD) with three replications. Twenty five days old seedlings were transplanted with optimum 20 x 20 cm row to row and plant to plant distance. The unit plot size was 3 m×4 m. The recommended doses of fertilizer were applied. The effect of dates of transplanting on grain yield of D3 was the highest (5.10 t ha-1) whereas D2 produced the lowest grain yield (4.24 t ha-1). Among the mutant lines/varieties, Binadhan-17 produced the highest grain yield (4.94 t ha-1) followed by N4/350/P-4(5) (4.57 t ha-1). The interaction effect of date and variety showed that Binadhan-17 produced the maximum yield (5.56 t ha-1) at D3 followed by N4/350/P-4(5) mutant (4.92 t ha-1). The interaction effect of date and location, D3 transplanting date produced the maximum yield (5.23 t ha-1) at Ishurdi which was followed by transplanting (4.96 t ha-1) at Chapai Nawabgonj. The interaction effect of variety and location Binadhan-17 produced maximum yield (5.06 t ha-1) in Ishurdi followed by Binadhan-17 in Chapai Nawabgonj (4.82 t ha-1). The interaction effect of date, variety and location transplanting date D3, Binadhan-17 produced maximum yield (5.70 t ha-1) in Ishurdi followed by transplanting date D3, Binadhan-17 in Chapai Nawabgonj (5.43 t ha-1). The data recorded on crop duration from transplanting to maturity revealed that the advanced mutant line N4/350/P-4(5) required the least average 108 days and the Binadhan-17 required maximum average 119 days. Therefore, 10th August was found to be the best date of transplanting and Binadhan 17 showed the best performance at Ishwardi in Bangladesh.

scholarly journals Evaluation of nitrogen (Urea) on Zea mays L. under Balkh province climate

2020 ◽  
Vol 3 (1) ◽  
pp. 6-9
Author(s):  
Nasratullah Habibi ◽  
Friba Sikandari
Keyword(s):  
Zea Mays ◽  
Nitrogen Fertilizer ◽  
Yield Components ◽  
Zea Mays L ◽  
Agricultural Research ◽  
Block Design ◽  
High Yield ◽  
Randomized Complete Block Design ◽  
Yield And Yield Components ◽  
Effect On Yield

An experiment was conducted to evaluate effect of urea fertilizer on yield and yield components of Zea mays L. Using Randomized Complete Block Design (RCBD) split plots in three replications in agricultural research farm of Balkh University by 2019. Doses of urea used in this experiment were 0, 80, 160 and 240 kg ha-1 , respectively. It has been found that amount of nitrogen fertilizer (urea) had significant effect on yield of maize at p<0.05. The higher level of nitrogen caused the higher grain yield, number of kernels per ear, the number of grains per ear row, ear diameter, cob length, grain per plant and plant height. As a result 7.76 ton ha-1 was recorded as high yield while 240 kg ha-1 urea was used, and 5.12 ton ha-1 was recorded as low yield in treatment one with 0 kg ha-1 of nitrogen fertilizer. Finally, as a result using 240 kg ha-1 nitrogen fertilizer is recommended.

scholarly journals Penampilan Fenotipik Karakter Hasil Galur Harapan Padi Rawa di Lahan Pasang Surut Karang Agung, Sumatera Selatan

2016 ◽  
Vol 17 (1) ◽  
pp. 19
Author(s):  
Rini Hermanasari ◽  
NFN Supartopo ◽  
B. Kustianto
Keyword(s):  
Plant Height ◽  
Yield Components ◽  
Rice Field ◽  
Block Design ◽  
Yield Component ◽  
Yield Potential ◽  
Lower Yield ◽  
Tidal Swamp ◽  
Randomized Complete Block Design ◽  
Yield And Yield Components

<p>Phenotypic Performance of Yield and Yield Component of Rice Promising Lines at Tidal Swamp Area in Karang Agung, South Sumatra. An experiment was conducted in Karang Agung, in April until September 2007. The experiment aimed at evaluating phenotypic performance of yield and yield components of promising lines in tidal swamp rice field. The experiment was arranged in a Randomized Complete Block Design with 16 treatments and four replications. The promising lines tested were B9858-KA-55, B9833C-KA-14, B9852E-KA-66, B5524G-SM-61-2-1, B7003D-MR-24-3-1, KAL9414F-MR-2-KN-0, KAL9418F-MR-2-KN-0, B10214FTB- 7-2-3, IR70213-9-CPA-12-UBN-2-1-3-1, IR70215-2- CPA-2-1-B-1-2. The check varieties used were IR42, Batanghari and Lembu Sawah. The results of this experiment showed that IR61242-3B-B-2 had better performance among varieties and promising lines tested, as well as giving the highest yield potential. Meanwhile, the line B10214F-TB-7-2- 3 had better performance of number of filled grain, and 1.000 grain weight. It also showed higher yield potential compared to IR42 and Batanghari. The line KAL9418F-MR-2-KN-0 had better performance of plant height, 1.000 weight grain and harvest age, but showed lower yield potential compared to those other check varieties.</p><p> </p><p><strong>Abstrak</strong></p><p>Percobaan dilaksanakan di KP Karang Agung, Sumatera Selatan pada bulan April sampai September 2007. Penelitian bertujuan untuk mendapatkan informasi tentang penampilan fenotipik karakter hasil dan komponen hasil dari galur-galur harapan padi rawa di lahan pasang surut Karang Agung. Percobaan ditata dalam rancangan acak kelompok dengan 16 perlakuan dan empat ulangan. Galur-galur yang diuji di antaranya B9858-KA-55, B9833C-KA-14, B9852E-KA-66, B5524GSM- 61-2-1, B7003D-MR-24-3-1, KAL9414F-MR-2-KN-0, KAL9418F-MR-2-KN-0, B10214F-TB-7-2-3, IR70213-9- CPA-12-UBN-2-1-3-1, dan IR70215-2-CPA-2-1-B-1-2. Varietas pembanding digunakan IR42, Batanghari, dan Lembu Sawah. Hasil penelitian menunjukkan bahwa galur IR61242- 3B-B-2 memiliki penampilan lebih baik dari varietas pembanding untuk karakter tinggi tanaman, jumlah gabah isi, bobot 1.000 butir gabah, dan potensi hasil. Galur B10214F-TB-7-2-3 memberikan penampilan lebih baik untuk karakter jumlah gabah isi, bobot 1.000 butir, dan potensi hasil lebih tinggi daripada pembanding IR42 dan Batanghari. Galur KAL9418F-MR- 2-KN-0 memiliki penampilan lebih baik untuk karakter bobot 1.000 butir, tinggi tanaman, dan umur panen, tetapi potensi hasilnya lebih rendah dari ketiga varietas pembanding.</p>

scholarly journals Effect of planting density on the performance of boro rice (BRRI dhan28)

2015 ◽  
Vol 17 (2) ◽  
pp. 67-76
Author(s):  
AM Mahmud ◽  
MY Ali ◽  
KG Quddus ◽  
S Parvin
Keyword(s):  
Grain Yield ◽  
Management Practices ◽  
Block Design ◽  
Rice Variety ◽  
Planting Density ◽  
Single Row ◽  
Standard Management ◽  
Randomized Complete Block Design ◽  
1000 Grain Weight ◽  
Boro Rice

A field experiment was conducted at the Agrotechnology Field Laboratory of Khulna University during the boro season to evaluate the effect of planting density on the performance of rice variety BRRI dhan28. The experiment received twelve treatments, which were divided into two distinct patterns - single row and paired row. The single row had four treatments and paired row had eight treatments. Planting densities were 40, 27, 20 and 16 hills m-2. The experiment was arranged in a randomized complete block design (RCBD) with three replications. Standard management practices were followed in raising crops. Results revealed that closer spacing produced higher yields where 40 hills m-2 produced the most (4.81 t ha-1), which was statistically similar with that of 27 hills   m-2. Paired row planting showed better performance than single row planting. Plant height, grains panicle-1, sterile spikelets panicle-1, 1000-grain weight, grain yield were found better in paired row planting. Paired row planting at a spacing of (35 cm + 15 cm) × 10 cm  i.e row to row distance is 35 cm & 15 cm and hill to hill distance is 10 cm; found the highest grain yield (4.81 t ha-1) and the lowest yield (2.97 t ha-1) was found in single row using a spacing of 25 cm × 25 cm.Bangladesh Agron. J. 2014, 17(2): 67-76

scholarly journals Evaluation of Yield, Reaction to Diseases, and Grain Physical Attributes of Some Introduced Rice Hybrids in Ghana

2019 ◽  
Vol 2019 ◽  
pp. 1-8
Author(s):  
Samuel Oppong Abebrese ◽  
Alex Yeboah ◽  
Wilson Dogbe ◽  
Paul Kofi Ayirebi Dartey ◽  
Richard Akromah ◽  
...  
Keyword(s):  
Grain Yield ◽  
Yield Components ◽  
Hybrid Rice ◽  
Block Design ◽  
Leaf Blight ◽  
Rice Production ◽  
Bacterial Leaf Blight ◽  
Yield Potential ◽  
Randomized Complete Block Design ◽  
Physical Attributes

Hybrid rice technology is one of the promising, sustainable, and proven technologies for increasing rice production and productivity with a yield advantage of 15–30% over modern inbred varieties. The potential of hybrid rice has so far not been exploited in Ghana. This study was undertaken to evaluate the yield potential, reaction to diseases, and physical grain attributes of some introduced hybrids. The trials were laid out in a randomized complete block design (RCBD) with three replicates across three locations. Data were taken on grain yield, yield components, reaction to diseases, and grain physical characteristics. Four promising hybrids (SWARNA 2, ARGH 1501, ARGH 1502, and ARGH 1503) with a mean yield advantage of 15–20.8% over the best inbred check “AgraRice” were identified. With few exceptions, the hybrids were broadly adapted and had adequate resistance to blast and bacterial leaf blight. Most of the test hybrids had long slender grains which make them acceptable to the Ghanaian market but lacked aroma.

EFFECT OF DATES AND RATES OF SOWING ON YIELD AND YIELD COMPONENTS OF NARBON VETCH UNDER SEMI-ARID CONDITIONS

2001 ◽  
Vol 49 (1) ◽  
pp. 103-105 ◽  
Author(s):  
A. M. Tawaha ◽  
M. A. Turk
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Yield Components ◽  
Field Experiments ◽  
Grain Weight ◽  
Arid Conditions ◽  
Yield And Yield Components ◽  
1000 Grain Weight ◽  
Semi Arid ◽  
Northern Jordan

Field experiments were conducted during the winter seasons of 1998–1999 and 1999–2000 at Houfa in northern Jordan, to study the effect of the date and rate of sowing on the yield and yield components of narbon vetch (Vicia narbonensis L.). Progressive delays in sowing beyond 1 st January led to yield reductions of 11.1 and 17.9 at successive 15-day intervals. Plant height, pods stem –1, stems m –2 and 1000-grain weight followed the same trend as the yield. Grain yield was not significantly affected by the sowing rate.

scholarly journals Integrated use of poultry manure with prilled urea and urea super granules for improving yield and protein content of aromatic rice (cv. BRRI dhan50)

2016 ◽  
Vol 27 (2) ◽  
pp. 86-93 ◽  
Author(s):  
T Biswas ◽  
SK Paul ◽  
MAR Sarkar ◽  
SK Sarkar
Keyword(s):  
Grain Yield ◽  
Protein Content ◽  
Block Design ◽  
Poultry Manure ◽  
Morphological Characteristics ◽  
Recommended Dose ◽  
Pm 2.5 ◽  
Prilled Urea ◽  
Randomized Complete Block Design ◽  
Boro Rice

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from December 2013 to May 2014 to evaluate the integrated use of poultry manure with prilled urea and USG for improving the growth, yield and protein content of aromatic Boro rice (cv. BRRI dhan50). The experiment was laid out in a randomized complete block design with three replications. The experiment comprised 14 treatments viz. control (no manure and no fertilizer), recommended dose of prilled urea (115 kg N ha-1), urea super granules (USG) 1.8 g (55 kg N ha-1), USG 2.7 g (80 kg N ha-1), poultry manure (PM) 2.5 t ha-1, PM 5 t ha-1, recommended dose of prilled urea + PM 2.5t ha-1, recommended dose of prilled urea + PM 5 t ha-1, 50% of recommended dose of prilled urea + PM 2.5 t ha-1, 50% of recommended dose of prilled urea + PM 5 t ha-1, USG 1.8 g + PM 2.5 t ha-1, USG 1.8 g + PM 5 t ha-1, USG 2.7 g + PM 2.5 t ha-1and USG 2.7 g + PM 5 t ha-1. The experiment was laid out in a randomized complete block design with three replications. Morphological characteristics, yield contributing characters and yield of aromatic Boro rice (cv. BRRI dhan50) were significantly influenced by integrated use of poultry manure with prilled urea and  USG. USG 2.7 g + PM 5 t ha-1 gave the highest plant height, number of tillers hill-1 and total dry matter production at all sampling dates while their corresponding lowest values were recorded in control. The highest yield contributing characters viz. number of effective tillers hill-1 (13.08), grains panicle-1 (124.26g) and 1000-grain weight  (21.41g) were recorded in USG 2.7 g + PM 5 t ha-1 and the lowest values were recorded in control. The highest grain yield (5.33 t ha-1) and protein content (7.49%) were obtained at USG 2.7 g + PM 5 t ha-1 which was as good as recommended dose of prilled urea (115 kg N ha-1) + PM 5 t ha-1, USG 2.7 g + PM 2.5 t ha-1, USG 1.8 g + PM 5 t ha-1, recommended dose of prilled urea (115 kg N ha-1) + PM 2.5 t ha-1 while the lowest one (2.00 t ha-1) was obtained in control plots. The integrated use of poultry manure (5 t ha-1) with USG 1.8 g (55 kg N ha-1) appeared as the promising practice because of reducing considerable amount of prilled urea or USG in aromatic Boro rice (cv. BRRI dhan50) cultivation in terms of grain yield and grain protein content.Progressive Agriculture 27 (2): 86-93, 2016

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