scholarly journals Feasibility of Replacing Chemical Fertilizer by Using Organic Fertilizer in Wheat (Triticum aestivum) Considering Yield Contributing Characters and Yield

2015 ◽  
Vol 6 (1) ◽  
pp. 203-208
Author(s):  
Z Akhter ◽  
MH Imam ◽  
MA Razzak ◽  
AHMMR Akhter ◽  
M Akhter
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Organic Fertilizer ◽  
Chemical Fertilizer ◽  
Recommended Dose ◽  
Chemical Fertilizers ◽  
Straw Yield ◽  
Randomized Complete Block Design ◽  
Minimum Number ◽  
Growth Characters

The experiment comprised of 10 treatments, such as T0: Control condition; T1: All chemical fertilizer as recommended dose; T2: Cowdung as recommended dose; T3: Compost as recommended dose; T4: ½ Cowdung + ½ Compost; T5: Cowdung + Compost; T6: Cowdung + ½ Chemical fertilizer; T7: Compost + ½ Chemical fertilizer; T8: Cowdung + Compost +½ Chemical fertilizer and T9: ½ Cowdung + ½ Compost + ½ Chemical fertilizer. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. Data on different growth characters and yield were recorded. Among the treatments all chemical fertilizers as recommended dose (T1) and cowdung + compost + ½ chemical fertilizer (T8) were found superior considering all yield contributing characters and yield. At 30 (Days after Sowing) DAS, the longest plant was recorded from T8 (27.93 cm), while the shortest plant was found in T0 (23.13 cm). At 50, 70, 90 DAS and harvest the longest plant was recorded from T1 (52.13 cm, 82.13 cm, 85.93 cm and 95.21 cm), whereas the shortest plant was obtained from T0 (41.14 cm, 65.84 cm, 70.77 cm and 76.00 cm). At 30, 50, 70, 90 DAS and harvest the maximum number of tillers hill-1 was recorded from T1 (2.00, 5.64, 6.93, 6.15 and 5.78), whereas the minimum number was found in T0 (1.33, 2.87, 4.20, 3.94 and 3.72). The longest spike (19.86 cm), maximum number of spikelets spikes-1 (20.33), maximum number of filled grains spike-1 (34.00), highest grain yield (3.71 t ha-1) and highest straw yield (5.78 t ha-1) was attained from T1 and the shortest spike (14.33 cm), minimum number of spikelets spikes-1 (14.18), minimum number of filled grains spike-1 (21.53), lowest grain yield (2.06 t ha-1) and lowest straw yield (4.49 t ha-1) was recorded from T0.DOI: http://dx.doi.org/10.3329/jesnr.v6i1.22066 J. Environ. Sci. & Natural Resources, 6(1): 203-208 2013

scholarly journals Feasibility of Replacing Chemical Fertilizer by Organic Fertilizer in Maize (Zea mays L.) Production in Dhaka, Bangladesh

2019 ◽  
pp. 1-5
Author(s):  
N. N. Shahinur ◽  
A. K. M. R. Amin ◽  
P. K. Biswas ◽  
R. Afrose ◽  
M. M. Hossain
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Organic Fertilizer ◽  
Research Work ◽  
Soil Condition ◽  
Chemical Fertilizer ◽  
Recommended Dose ◽  
Chemical Pollution ◽  
Cow Dung ◽  
Chemical Fertilizers

Present research work conducted at the experimental field of Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, Bangladesh during the period from November 2011 to April 2012 to study the feasibility of replacing chemical fertilizer by organic fertilizer in maize production. The experiment comprised of 10 treatments with organic manure and inorganic fertilizer viz., T0: Control (without any fertilizer), T1: All chemical fertilizers (recommended dose), T2: Cowdung (Recommended dose), T3: Compost (recommended dose), T4: ½ Compost + 1/2 Cowdung, T 5: Full cow dung + Full compost, T6: Full cow dung + 1/2 Chemical fertilizer, T7: Full compost + ½ Chemical fertilizer, T8: Full cow dung + Full compost + 1/2 Chemical fertilizer, T9: 1/2 Cowdung + 1/2 Compost + 1/2 Chemical fertilizer. Maize variety of BARI hybrid bhutta 9 was the test crop. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. Results indicated that the highest cobs plant-1 (1.67), cob length (22.27 cm), cob diameter (14.12 cm), grains cob-1 (531.90), weight of 1000 grain (305.30 g), grain yield (11.75 t ha-1) and stover yield (13.97 t ha-1) was obtained from T1. Treatments T7, T8 and T9 gave statistically similar values in respect of yield and yield contributing characters. Treatment T9 (1/2 Cowdung + 1/2 Compost + 1/2 Chemical fertilizers) could be ideal fertilizer management for maize cultivation keeping chemical pollution minimum with improved soil condition and increased grain yield.

scholarly journals Feasibility of Replacing Chemical Fertilizer by Using Organic Fertilizer in Wheat (Triticum aestivum) Considering Dry Matter Content and Estimatimation of Different Growth Parameters

2015 ◽  
Vol 6 (1) ◽  
pp. 7-10
Author(s):  
Z Akhter ◽  
MH Imam ◽  
MA Razzak ◽  
AHM MR AKhter ◽  
M AKhter
Keyword(s):  
Growth Rate ◽  
Grain Yield ◽  
Dry Matter ◽  
Block Design ◽  
Organic Fertilizer ◽  
Matter Content ◽  
Chemical Fertilizer ◽  
Recommended Dose ◽  
Dry Matter Content ◽  
Straw Yield

An experiment was conducted at the experimental field of Sher-e-Bangla Agricultural University, Dhaka during the period from October 2010 to March 2011 to study the feasibility of replacing chemical fertilizer by using organic fertilizer in wheat. The experiment comprised of 10 treatments, such as T0: Control condition; T1: All chemical fertilizer as recommended dose; T2: Cowdung as recommended dose; T3: Compost as recommended dose; T4: ½ Cowdung + ½ Compost; T5: Cowdung + Compost; T6: Cowdung + ½ Chemical fertilizer; T7: Compost + ½ Chemical fertilizer; T8: Cowdung + Compost +½ Chemical fertilizer and T9: ½ Cowdung + ½ Compost + ½ Chemical fertilizer. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. At 30, 50, 70, 90 and 110 (Days After Sowing) DAS, the highest dry matter content plant-1 was recorded from T1 (0.30 g, 3.87 g, 8.84 g, 19.58 g and 30.18 g), whereas the lowest weight from T0 (0.18 g, 2.49 g, 6.50 g, 11.80 g and 18.08 g). At 30-50 DAS, the highest (Crop Growth Rate) CGR was found from T1 (5.35 g m-2day-1), while the lowest CGR from T0 (3.46 g m-2day-1). At 50-70 DAS, the highest CGR was found from T7 (8.34 g m-2day-1), while the lowest CGR from T0 (6.70 g m-2day-1). At 70-90 DAS, the highest CGR was found from T1 (17.89 g m-2day-1), while the lowest CGR from T0 (8.83 g m-2day-1). At 90-110 DAS, the highest CGR was found from T8 (18.69 g m-2day-1), while the lowest CGR from T0 (10.47 g m-2day-1). At 30-50 DAS, the highest RGR was found from T3 (0.134 g g-1 day-1) and the lowest RGR from T5 and T8 (0.127 g g-1 day-1). At 50-70 DAS, the highest RGR was found from T3 (0.049 g g-1 day-1) and the lowest RGR from T9 (0.041 g g-1 day-1). At 70-90 DAS, the highest RGR was found from T3 (0.040 g g-1 day-1) and the lowest RGR from T0 (0.030 g g-1 day-1). At 90-110 DAS, the highest (Relative Growth Rate) RGR was found from T3 (0.026 g g-1 day-1) and the lowest RGR from T0 (0.021 g g-1 day-1). The longest spike (19.86 cm), highest grain yield (3.71 t ha-1) and highest straw yield (5.78 t ha-1) was attained from T1 and the shortest spike (14.33 cm), lowest grain yield (2.06 t ha-1) and lowest straw yield (4.49 t ha-1) from T0.DOI: http://dx.doi.org/10.3329/jesnr.v6i1.22032 J. Environ. Sci. & Natural Resources, 6(1): 07-10 2013

Evaluation of organic fertilizer on cabbage production at Mymensingh and Jamalpur, Bangladesh

2021 ◽  
Vol 05 (01) ◽  
pp. 165-169
Author(s):  
S. Tasmin ◽  
M. R. Khan ◽  
M. M. A. Tarafder ◽  
A. K. Hasan ◽  
M. H. Rahman
Keyword(s):  
Soil Fertility ◽  
Block Design ◽  
Organic Fertilizer ◽  
Chemical Fertilizer ◽  
Average Yield ◽  
Rabi Season ◽  
Chemical Fertilizers ◽  
Gross Margin ◽  
Positive Effects ◽  
Randomized Complete Block Design

Organic fertilizer (OF) has positive effects on soil, especially soil fertility and productivity. Two experiments were conducted at the farmer’s field of Mymensingh and Jamalpur to observe the effect of organic fertilizer on cabbage production during rabi season 2018. There were seven fertilizer treatments viz: T1: RCF (N150 P40 K100 S16 Kg ha-1), T2: 85% RCF, T3: 70% RCF, T4: 85% RCF + 3 t ha-1 OF, T5: 85% RCF + 1 t ha-1 OF, T6: 70% RCF + 3 t ha-1 OF and T7: 70% RCF + 1 t ha-1 OF. The experiments were laid out in a RCBD (Randomized Complete Block Design) with three replications. The average fresh yield at Mymensingh ranged from 34.5 to 60.0 t ha-1 with the highest yield of 60.0 t ha-1 from treatment T4 (85% RCF + 3 t ha-1 OF). At Jamalpur, the average yield ranged from 31.5 to 56.3 t ha-1 and the highest yield of 56.3 t ha-1 was recorded from treatment T4 (85% RCF + 3 t ha-1 OF). The lowest yield was found from treatment T3 in both locations. The percent fresh yield increased over control (T1), was 42.85 and 40.04 in Mymensingh and Jamalpur, respectively. The highest gross margin is Tk. 534507, which was obtained from treatment T4 (85% RCF + 3 t ha-1 organic fertilizer). The highest MBCR 3.05 (average of two locations) was obtained from the same treatment T4 (85% RCF + 1 t ha-1 organic fertilizer). The result indicated that applying organic fertilizer and 85% recommended dose of chemical fertilizer is more profitable than applying chemical fertilizers only.

scholarly journals Contribution of green manure incorporation in combination with Nitrogen fertilizer in Rice production

2015 ◽  
Vol 12 (2) ◽  
pp. 134-142
Author(s):  
MR Islam ◽  
MB Hossain ◽  
AB Siddique ◽  
MT Rahman ◽  
M Malika
Keyword(s):  
Grain Yield ◽  
Nitrogen Fertilizer ◽  
Green Manure ◽  
Block Design ◽  
N Fertilizer ◽  
Growth And Yield ◽  
Recommended Dose ◽  
Science Field ◽  
Straw Yield ◽  
Randomized Complete Block Design

An experiment was conducted at the Soil Science Field Laboratory of Bangladesh Agricultural University, Mymensingh during April to November, 2012 to study the combined effects of Sesbania green manure incorporation with different levels of nitrogen fertilizer on the growth and yield of BINA dhan7. There were five treatments for using Sesbania as pre-rice green manure (GM): Fallow (No GM), GM for incorporation at 40, 50, 60, and 70 days after sowing (DAS). T. Aman was planted after chopping the GM. For T. aman there were 9 treatments: Fallow plot received full dose (180 kg urea ha-1) of N fertilizer while plots with GM received 50 and 75% of recommended N fertilizer. The experiment was laid out in a Randomized Complete Block Design with three replications. The highest grain yield of 5752 kg ha-1 and straw yield of 6654 kg ha-1 were observed in the plot treated with 75%recommended dose of nitrogen (RDN) and green manure incorporated at 50 DAS. The lowest grain yield (4783 kg ha-1) and straw yield (5154 kg ha-1) were recorded with GM incorporated at 40 DAS + 50% RDN. The N content and uptake by the grain and straw were differed significantly due to different treatments and maximum uptake was recorded with the application of 75% recommended dose of nitrogen (RDN) and green manure incorporated at 50 DAS. The overall results indicate that application of Sesbania green manure incorporated at 50 DAS in combination with 75% recommended dose of nitrogen could be considered more effective for BINA dhan7 production DOI: http://dx.doi.org/10.3329/sja.v12i2.21925 SAARC J. Agri., 12(2): 134-142 (2014)

scholarly journals Growth and Yield Performance of BINA Released Six Promising Aman Rice Varieties of Bangladesh

2020 ◽  
Author(s):  
Md. Robiul Islam Akondo ◽  
Md. Belal Hossain ◽  
Sayed Eshtiak Akter ◽  
Md. Morshedul Islam
Keyword(s):  
Grain Yield ◽  
Seed Weight ◽  
Block Design ◽  
Growth And Yield ◽  
Rice Varieties ◽  
Yield Performance ◽  
Straw Yield ◽  
Randomized Complete Block Design ◽  
Minimum Number

The experiment was conducted with six rice varieties to determine their growth and yield performance. The experiment was laid out in a randomized complete block design (RCBD) with three replications. All the growth and yield contributing attributes varied significantly among the six rice varieties. The results revealed that maximum No. of filled spikelets/panicle observed in Binadhan-16 (108.43) and that was statistically similar with Binadhan-17 (100.10). Minimum number of filled spikelets/panicle observed in Binadhan-11 (60.60) and that was statistically similar with Binadhan-15 (63.87). Maximum 1000-seed weight was observed in Binadhan-16 (25.67 g) that was statistically similar with Binadhan-20 (25.33 g). The minimum 1000-seed weight was observed in Binadhan-15 (22.33 g) that was statistically similar with Binadhan-17 (23.00 g). Maximum number of non effective tiller was observed in Binadhan-11 (11.53) and minimum number in Binadhan-17 (2.30) that was statistically similar with Binadhan-16 (2.94). Highest grain yield was obtained from Binadhan-16 (6.57 t ha-1) that was significantly different from other varieties. Lowest grain yield observed in Binadhan-15 (5.39 t ha-1) that was statistically similar to Binadhan-7 (5.54 t ha-1). The highest straw yield (6.80 t ha–1) is produced by Binadhan-16 (Fig. 2). The lowest (5.89 t ha–1) straw yield was produced by Binadhan-7.

Effect of Organic and Chemical Fertilizer On Growth and Yield of Potato (Solanum Tuberosum) Varieties in Nepal

2021 ◽  
Vol 19 (1) ◽  
pp. 103-112
Author(s):  
S Bhujel ◽  
C Pant ◽  
S Sapkota
Keyword(s):  
Block Design ◽  
Organic Fertilizer ◽  
Farmyard Manure ◽  
Fertilizer Application ◽  
Chemical Fertilizer ◽  
Growth And Yield ◽  
Recommended Dose ◽  
Potato Varieties ◽  
Randomized Complete Block Design ◽  
Two Factors

An experiment was conducted to evaluate the yield performance of potato varieties with chemical and organic fertilizer at Chilime, Rasuwa. The experiment consisted of eight treatment combinations laid out in two factors Randomized Complete Block Design (RCBD) with three replications. Four potato varieties (Khumal-Seto-1, Khumal-Ujjwal, Janak-Dev and Kufri-Jyoti) with fertilizer (Recommended dose of chemical fertilizer (100:100:60 NPK kg ha-1) and organic farmyard manure (15 mt ha-1) were used to make eight treatment combinations. The results showed that Janak-Dev had the highest plant height (69.3 cm) and canopy diameter (60.92 cm). Khumal-Seto-1 had highest number of main stems per hill (3.75) which were statistically similar to Kufri-Jyoti (3.42) and Khumal-Ujjwal (3.25). Janak-Dev had the lowest number of main stems per hill (1.87). The effect of fertilizer was nonsignificant. Flowering occurred earlier in Janak-Dev at 61.17 days after sowing while Kufri-Jyoti flowered after 73.17 days after sowing. The highest number of tubers were found in Khumal-Seto-1 (9.167) and lowest in Janak-Dev (5.750). Number of tubers per plant was not affected by types of fertilizers used. Maximum weight of each tuber (107.7 grams), yield per plant (780 grams) and yield per hectare (37.1 mt ha-1) were obtained from Kufri-Jyoti. These parameters were the highest from chemical fertilizer application. This field experiment showed that Kufri-Jyoti with recommended dose of chemical fertilizer was appropriate to get optimum yield under Chilime condition. SAARC J. Agric., 19(1): 103-112 (2021)

scholarly journals Organic Fertilizer Titonia Plus and Micro Nutrients Improved Rice (Oryza sativa L.) Production in Koto Panjang and Koto Tingga, Padang City, West Sumatera, Indonesia

2020 ◽  
Vol 7 (01) ◽  
pp. 22-27
Author(s):  
Nalwida Rozen ◽  
Gusnidar Gusnidar ◽  
Nurhajati Hakim
Keyword(s):  
Oryza Sativa ◽  
Grain Yield ◽  
Oryza Sativa L ◽  
Block Design ◽  
Organic Fertilizer ◽  
Chemical Fertilizer ◽  
Rice Grain ◽  
Randomized Block Design ◽  
On Farm

A series of on-farm fi eld experiments were conducted in two locations in Padang, Koto Panjang and Koto Tingga, West Sumatera, Indonesia in 2015. The purpose of the experiment was to establish the formula of organic fertilizer derived from Tithonia supplied with micro nutrients, Zn and Mn, on rice. The experiments were conducted using completely-randomized block design with six treatments and three replications. The treatments were P = Tithonia Organic Fertilizer Plus (TOFP) + 3.0 kg Mn.ha-1, Q = TOFP + 3.0 kg Mn.ha-1+ 3.0 kg Zn.ha-1, R = TOFP + 4.5 kg Mn.ha-1 + 6 kg Zn.ha-1, S= TOFP + 4.5 kg Mn.ha-1+ 9 kg Zn.ha-1, T = TOFP only, U = 100% chemical fertilizer only. Treatment with micro nutrients as addition to TOFP (TOFP+ 3.0 kg Mn.ha-1 and TOFP+ 3.0 kg Mn.ha-1+3.0 kg Zn.ha-1) increased rice grain yield by 80 g per clump.

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 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

scholarly journals Integrated effects of vermicompost with chemical fertilizers on the yield of mustard

2020 ◽  
Vol 31 (2) ◽  
pp. 81-88
Author(s):  
MA Haque ◽  
MM Ali
Keyword(s):  
Field Experiments ◽  
Block Design ◽  
Chemical Fertilizer ◽  
Chemical Fertilizers ◽  
Brassica Napus L ◽  
Yield Attributes ◽  
Cropping Season ◽  
Native Soil ◽  
Randomized Complete Block Design ◽  
Agroecological Zones

Field experiments were conducted in three Agroecological zones (AEZ) at Farmer’s field, Rangpur (AEZ-3), Farmer’s field, Ishurdi (AEZ-11) and BINA farm, Mymensingh (AEZ-9) to investigate the integrated effect of vermicompost and chemical fertilizers (CF) on Mustard (Brassica napus L.) during 2017-18 cropping season to reduce the usage of chemical fertilizer for mustard cultivation. The experiments were carried out with eight treatments and three replications in Randomized Complete Block Design. The treatments for the crops used in the experiments were T1: Native soil fertility, T2:100% chemical fertilizer (CF),T3: 75% CF, T4: 75% CF + Vermicompost (VC) @ 4 t ha-1, T5:85% CF ,T6: 85% CF + VC @ 4 t ha-1 T7: 75% CF +VC @ 2 t ha-1­­­­ and T8: 85% CF+VC @ 2 tha-1. Fertilizers applied on the basis of soil test (STB). Application of vermicompost with chemical fertilizer increased the yield attributes and yields of mustard. The treatment T6 (85% CF + VC @ 4 tha-1) gave the tallest plant height, greatest number of pods plant-1 and siliqua pod-1 and maximum seed (1.82, 1.26 and 1.49 t ha-1 at Rangpur, Ishurdi and Mymensingh, respectively) and straw yields of mustard at all the location with the few exception. But the treatment T6 gave the identical results with the treatments T8, T4 and T2. Application of vermicompost also increased the N, P and K uptakes of mustard at all the location. The treatments T6 T8 and T4 gave statistically identical nutrients uptakes to the treatment T2 (100%CF). The results revealed that 75% CF with 4 t ha-1 vermicompost or 85% CF with 2 t ha-1 vermicompost almost equally effective to produce seed yield of mustard which was also comparable with the full dose (100%) of chemical fertilizers (NPKS) in all the location. Therefore 15-25% chemical fertilizer (NPKS) could be reduced either with the application of 75% CF with 4 t ha-1 vermicompost or 85% CF with 2 t ha-1 vermicompost for mustard cultivation. Progressive Agriculture 31 (2): 81-88, 2020

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