Participation in Technology (Component Technology) development

Participation in Technology (Component Technology) development:

By

Dr. Md. Abul Khayer Mian

Senior Scientific Officer

Agronomy Division

Bangladesh Agricultural Research Institute

Regional Agricultural Research Station

Ishurdi, Pabna-6620

Bangladesh

Email: mianmd.abulkhayer@yahoo.com

OR khayer66@gmail.com

http://www. makhayermian.blogspot.com

Sl.No.		Developed method/Technology (As component technology)
1.		Weed control at critical period of weed competition in groundnut: One hand weeding at 20-40 DAE increased 165% yield of groundnut in early kharif season.
2.		Weed control and nitrogen application in mustard: one hand weeding at 20-35 DAE)and nitrogen @120 kg/ha produced 78% higher yield (2150 kg/ha) over control in mustard at Ishurdi region.
3.		Tobacco and lentil intercropping: Tobacco paired row + 50 lentil intercropping system gave the highest monetary advantage (Tk.20804/ha) and BCR of 6.08 at Ishurdi area.
4.		Tobacco and chickpea intercropping: Paired row tobacco + 4 row chickpea intercropping gave 53% average yield advantage over sole cropping with BCR of 8.98.
5.		Suitable ploughing and use of BARI- plough for weed control in mustard: Four ploughing by BARI plough is more suitable for weed control than by country plough for better yield in mustard with higher BCR of 1.95.
6.		Suitable intercropping combination of fodder maize and mukhi- kachu: One row fodder (harvested at 45 DAE) maize (50 cm x 25 cm) after two row muhki- kachu (50 cm x 25 cm) and one row fodder (harvested at 45 DAE) maize (50 cm x 25 cm) after three row mukhi-kachu (50 cm x 25 cm) are two profitable combinations with same BCR of 2.6.
7.		Suitable nitrogen and irrigation doses for barly: Nitrogen (80 kg/ha) and irrigation (one at CRI stage) of barley produced 117% higher yield at Ishurdi region.
8.		Fertilizer management in mustard-chickpea intercropping system: Tow row mustard after two row chickpea (50 mustard : 50 chickpea) with 20-15-10 kg/ha of N-P2O5-K2O gave the highest BCR of 4.1.
9.		Fertilizer management in chickpea-linseed intercropping system: Two row chickpea after one row linseed (67 chickpea: 33 linseed) with 20-40-20 kg/ha of N-P2O5-K2O is suitable intercropping system at Jessore region.
10.		Fertilizer management in wheat- chickpea intercropping system: Two row wheat after one row chickpea (67 wheat: 33 chickpea) with 30-25-15 kg/ha of N-P2O5-K2O was more profitable intercropping system with BCR of 2.97 at Jessore region.
11.		Seeding ratio of lentil-linseed mixedcropping system: Lentil 100% and linseed 33% is the best combination ratio for lentil-linseed mixedcropping system.
12.		Optimum sowing time of sesame: Sowing between 01-15 March is the optimum for the sesame variety T6 and Jamalpur.
13.		Suitable Nitrogen dose and its time of application for hybrid maize: Nitrogen @ 250 kg/ha when applied 1/3 N as basal + 1/3 N at 45 DAE + 1/3 N at 85 DAE is more suitable for composite maize at Jessore region.
14.		Suitable management practices composite maize: Nutrients @160-80-60-40-5 kg/ha of N-P2O5-K2O-S-Zn + three irrigation at 30, 60, & 90 DAE are more suitable for composite maize at Jessore region.
15.		Mechanical and chemical weed control in mustard: Mechanical weeding by BARI-weeder in row (30cm) sowing and by pre-emergence weedicide application (Ronstar @ 30 ml/10 L water) are two economic weed control methods in mustard with BCR of 2.12 and 2.20 respectively.
16.		Economic fertilizer dose for hybrid maize- soybean intercropping system: Normal row of maize + 2 soybean or paired row of maize + 4 row soybean with 150-60-60-10-5 kg/ha of N-P2O5-K2O-S-Zn are profitable for Jessore region.
17.		Suitable chickpea variety for intercropping with mustard: BARI Chola-5 is more suitable variety than others for intercropping with mustard (two rows chickpea alternate with two rows of mustard i.e. seeding ratio of 50 chickpea: 50 mustard).
18.		Optimum plant spacing for maize cultivation: Plant spacing at 60 cm x 25 cm for one plant/hill or at 60 cm x 50 cm for two plant/hill is more suitable for higher yield of maize.
19.		Superior weed control methods in ground at Jessore region: i) Two hand weeding at 25 and 50 DAE. ii) Pre emergence weedicide (Ronstar @ 30 ml/10 L water) + one hand weeding at 25 DAE. iii) Pre emergence weedicide (Ronstar @ 30 ml/10 L water) + two hand weeding at 25 & 50 DAE.
20.		Suitable varieties of hybrid maize for intercropping with soybean: Pacific-11 and Pacific-60 are two suitable varieties of hybrid maize for intercropping with soybean.
21.		Chemical weed control in groundnut: Weedicide ‘Ronstar’ as pre emergence& post emergence; Diamine’ as pre emergence and ‘gramoxone’ as pre emergence & post emergence were found more suitable for chemical weed control in ground.
22.		Integrated weed management in groundnut: Two hand weeding at 25& 50 DAE; Pre emergence “Ronstar” + one hand weeding at 25 DAE and Pre emergence “Ronstar” + Two hand weeding at 25& 50 DAE were found superior weed control methods in groundnut.
23.		Cultural management for hybrid maize: Nutrients @ 200-80-80-30-5 kg/ha of N-P2O5-K2O-S-Zn + 3 irrigation at 30 60 & 90 DAE + 2 hand weeding at 25 & 50 DAE along with application of ‘Dimecron’ 60 EC @ 2 ml/1L water (spray) were found more suitable for economic cultivation of hybrid maize varieties (Pacific-11, Pacific-60and BARI hybrid maize-1).
24.		Nitrogen and spacing for sweet corn: Nitrogen 160 kg/ha (at Basal and at 35 & 60DAE) with row spacing of 75 x 25 cm is suitable for growing sweet corn at Jessore region.
25.		Seed rate and higher biomass for green manuring of dhaincha and succeeding effect: Seed rate of 40-50 kg/ha is more suitable for higher biomass production indicating positive effect on T. aman but not wheat.
26.		Weed control in maize in early kharif season: Two hand weeding at 25 and 45 DAE or pre-emergence application of U-46 is the suitable weed control method for maize.
27.		Suitable potato varieties for coastal area: Heera, Chamok, Multa, Colombus, Srinda and TPS-1 are suitable potato varieties for coastal area producing yield over 18 t/ha.
28.		Suitable nitrogen dose and spacing for mungbean (BARI mung-5): Nitrogen 40 kg/ha at 25cm x 12cm spacing is suitable for BARI mung-5 for better growth and higher yield.
29.	Fertilization in hybrid maize-mungbean-T.aman cropping pattern: High productivity : 350-180-180-45 kg/ha of N-P2O5-K2O-S for maize 30-30-30 kg/ha of N-P2O5-K2O for mungbean 150-90-60-15 kg/ha of N-P2O5-K2O-S for T.aman Economic dose : 200-90-90-22 kg/ha of N-P2O5-K2O-S for maize 15-15-15 kg/ha of N-P2O5-K2O for mungbean 75-45-30-8 kg/ha of N-P2O5-K2O-S for T.aman
30.	Maize-Mungbean (GM)-T.aman rice and Maize+Intercrops (sweet potato or soybean)- Mungbean (GM)-T.aman rice under high nutrient level (266-46-132-28-2.10-0.60 kg ha-1 of N-P-K-S-Zn-B for maize and 100-13-43-6.0-0.70 kg ha-1 of N-P-K-S-Zn for rice ) are highly productive and profitable cropping patterns.
31.	Maize-Dhaincha (GM)-T.aman rice and Maize-Soybean (GM)-T.aman rice under high nutrient level (266-46-132-28-2.10-0.60 kg ha-1 of N-P-K-S-Zn-B for maize and 100-13-43-6.0-0.70 kg ha-1 of N-P-K-S-Zn for rice) are also desirable cropping patterns in respect of productivity, economic performance and improvement of soil health.
34.	Maize+ Sweet potato, Maize+ Soybean and Maize+ Cowpea under high nutrient level (266-46-132-28-2.10-0.60 kg ha-1 of N-P-K-S-Zn-B) are recommended as suitable intercropping systems for higher productivity and profitability.
35.	Planting space and nutrient level for sweet potato: Planting space of 45cm×15cm and 45 cm×30 cm with nutrient levels of 100-50-125-15-1.5-1.0 kg/ha of N-P-K-S-Zn-B and 75-40-100-11-1.0-0.5 kg/ha of N-P-K-S-Zn-B gave superior performance in respect of yield and economics.
36.	Intercropping mungbean with mukhikachu: Mukhikachu (double row- 20cm/55cm/20×45cm) + mungbean broadcast (100%) gave superior performance in respect of LER (2.15), equivalent yield and profitability (gross return Tk.168505.00/ha and gross margin of Tk. 85184.00/ha).
37.	Suitable intercropping of vegetables and spices with pointed gourd: Pointed gourd+ 1 time bush bushbean+ginger (50%), pointed gourd+ 2 times spinach+ginger (50%) and pointed gourd+ 2 times lalshak+ginger (50%) are more productive and profitable in respect of pointed gourd equivalent yield (PEY) (109.74 to116.05 t/ha), relative yield (2.29-2.42), gross return (Tk. 1316880.00-1392620.00/ha) and gross margin (Tk.722984.00-794694.00/ha) with BCR of 2.22-2.32.
38.	Irrigation and phosphorus requirement for sesame in early kharif season: Irrigation at 15 and 30 DAE with 60kg/ha of P is suitable for higher yield of sesame at Ishurdi region.
39.	Requirement of irrigation and sulphur for garlic under zero tillage mulched condition: Irrigation at 25+30 DAE or irrigation at 25+50+75 DAE with 30 kg/ha of S are suitable for higher bulb yield of garlic at Ishurdi region.
40.	Requirement of irrigation and sulphur for garlic under zero tillage mulched condition: Irrigation at 25+30 DAE or irrigation at 25+50+75 DAE with 30 kg/ha of S are suitable for higher bulb yield of garlic at Ishurdi region.
41.	Intercropping of sesame with mukhikachu: Mukhikachu (double row-20cm/55cm/ 20 × 45cm) +two row sesame (60%) is suitable intercropping showing better in performance in respect of gross return (Tk.195960.00/ha), gross margin (Tk.143970.00/ha), and benefit cost ratio (3.76).
42.	Intercropping mungbean with mukhikachu: Mukhikachu (double row-20cm/55cm/20×45cm) + mungbean broadcast (100%) gave superior performance in respect of LER (1.83), equivalent yield (14.74 t/ha of mukhikacu equivalent yield) and profitability (Gross margin of Tk.124730.00/ha and BCR of 3.38).
43.	Intercropping different vegetables and spices with pointed gourd: Pointed gourd+ 2 times spinach + 2 rows ginger is more productive and profitable technology giving the highest pointed gourd equivalent yield (116.26 t/ha) with LER (2.61), gross return (Tk. 1395120.00/ha), gross margin (Tk.870009.00/ha) and BCR (2.65).

M. A. K. Mian