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AMA, Agricultural Mechanization in Asia, Africa and Latin America
AMA, Agricultural Mechanization in Asia, Africa and Latin America (AMA) (issn: 00845841) is a peer reviewed journal first published online after indexing scopus in 1982. AMA is published by Farm Machinery Industrial Research Corp and Shin-Norinsha Co. AMA publishes every subjects of general engineering and agricultural engineering. Lizi Jiaohuan Yu Xifu/Ion Exchange and Adsorption Fa yi xue za zhi
25 Apr 2024 (Vol - 55 , Issue- 04 )
30 Apr 2024 (Vol - 55 , Issue 04 )
Aim and Scope :
AMA, Agricultural Mechanization in Asia, Africa and Latin America
AMA, Agricultural Mechanization in Asia, Africa and Latin America (ISSN: 00845841) is a peer-reviewed journal. The journal covers Agricultural and Biological Sciences and all sort of engineering topic. the journal's scopes are in the following fields but not limited to:
Agricultural and Biological Sciences
Electrical Engineering and Telecommunication
Electronic Engineering
Computer Science & Engineering
Civil and architectural engineering
Mechanical and Materials Engineering
Transportation Engineering
Industrial Engineering
Industrial and Commercial Design
Information Engineering
Chemical Engineering
Food Engineering
Integrated Crop Management Practices on Yield and Economics of Brinjal at Tiruvallur District of Tamilnadu
A field experiment was carried out at ICAR-Krishi Vigyan Kendra, Tiruvallur to study the integrated crop management practices on yield and economics of brinjal at Tiruvallur District of Tamilnadu. Farmers were cultivated local varieties, adopted local technologies, getting low income, low yield and unaware new technologies for cultivation of brinjal. The studies were conducted on effect of integrated crop management practices on brinjal yield and economics through frontline demonstration at farmer’s field of Tiruvallur district, Tamilnadu during the year 2016-2017. Inputs like IIHR-Arka Vegetable Special, Pseudomonas fluoresences, Wota – T traps and yellow sticky traps were purchased and distributed to the ten identified farmers. There was significantly increased in brinjal yield (36.7 per cent), net return and B:C ratio after conduct of frontline demonstrations as compared to farmers practice. The adoption of integrated crop management practices through demonstrations programme, showed positive impact on brinjal yield and economics. Demonstration plot recorded higher technology gap (22.0 t/ha), extension gap (6.0 t/ha) and technology index (36.6 per cent), compare to local variety and also showed high percentage yield increase over local type and recorded 20 per cent increase yield.
Assessment of Chilli hybrids for Growth, yield and Economics at Tiruvallur District of Tamilnadu
Hot pepper or Chilli (Capsicum annuum L.) is an important and widely cultivated vegetable and spice crops of India (Arun Kumar, 2006). Assessment of chilli hybrids for growth, yield, economics and higher productivity was conducted in five different farmer’s field during the year 2017-2018 at Ellapuram and Ekkadu blocks under on farm trial to know about the performance of chilli hybrids Viz., TNAU CO (ch)1 and IIHR Arka Harita. Several growth, yield and economical characters of the two hybrids were studied in comparison with the local variety Arani local chilli. The results showed that Arka Harita exhibited the highest values for growth, yield and economic traits. The growth characters like plant height (49.5), number of fruits per plant (81.20), fruit length (10.4 cm), market preference (very good) were observed the highest values in Arka Harita followed by TNAU CO (ch)1 (48.42 cm, 77.8, 10.7 cm and good) whereas local variety recorded the lowest values (44.26 cm, 65.4, 10.0 cm and average). Arka Harita recorded the minimum number of days for 50 per cent flowering (42) and number of days to 1st harvesting of fruits (80.48). Arka Harita recorded the highest number of fruits per plant (81.2) followed by TNAU CO (ch)1 is (77.8) whereas the local variety registered the lowest number of fruits per plant of 65.40. Regarding yield characters, Arka Harita recorded the highest fresh pod yield (29.04 t/ha) and dry pod yield (6.0 t/ha) followed by TNAU CO (ch) 1 (fresh pod 26.6 t/ha and dry pod 5.3 t/ha) whereas local variety recorded the lowest yield of 18.8 t/ha as fresh pod yield and 1.8 t/ha as dry pod yield. With respect to benefit cost ratio, Arka Harita recorded the highest ratio of fresh pod (3.05) and dry pod (5.58) with the net profit of fresh pod (Rs.2,34,487) and dry pod (Rs. 5,21,897) followed by TNAU CO (ch)1 of fresh pod (2.76) and dry pod (5.08) with the net profit of fresh pod (Rs.1,95,781) and dry pod (Rs.4,40,486) respectively, whereas local variety observed the lowest BC ratio (fresh pod 1.82; dry pod 1.52) and net profit for (fresh pod Rs.97,177; dry pod Rs.59,559). Thrips incidence was low in Arka Harita (25.4 per cent) when compare to local variety (16.4 per cent). Arka Harita recorded higher technology gap (2.96 t/ha), extension gap (10.2 t/ha) and harvest index (10.1 per cent), compare to local variety and also showed high parentage yield increase over local type and recorded 54.10 per cent increase yield.
Evaluation of coconut equivalent yield and economics of coconut based high density multispecies cropping system in coastal Odisha.
An experiment on “Evaluation of coconut equivalent yield and economics of coconut based high density multispecies cropping system in coastal Odisha.” was conducted in the experimental farm, under the Department of Fruit Science & Horticulture Technology, College of Agriculture, OUAT, and Bhubaneswar during the period July 2016 to June 2018. The crop combination taken in the cropping system was coconut + banana+ pineapple + guava + taro. The treatments consists of T1: 75% of recommended NPK + 25 % N through organic recycling with vermicompost, T2: 75% of Recommended NPK+ 25% N through organic recycling with vermicompost + PGR*; T3: 50 % of recommended NPK + 50 % N through organic recycling with vermicompost + in situ green manuring+ vermicompost wash + biofertilizers; T4:50 % of recommended NPK + 50 % N through organic recycling with vermicompost + in situ green manuring + vermicompost wash + biofertilizer + plant growth regulator*; T5: Fully organic (100 % N through organic recycling with vermicompost + in situ green manuring + vermicompost wash + CCP+ biofertilizer ; T6: Fully organic (100 % organic recycling with vermicompost + in situ green manuring + vermicompost wash + CCP) + biofertilizer + PGR*; T7 : Sole cropping of coconut with 100% recommended doses of fertilizer. The experiment was designed in randomized block design (RBD), with 7 treatments replicated 3 times. During the experimental period the average CEY of various intercrops varied between 2349.89 nuts ha-1 annum-1 and 20267.14 nutsha-1 annum-1, lowest with colocasia and highest with pineapple. The gross return obtained from one hectare of land ranged from Rs. 258773/ha-1 to Rs 331874 in cropping system and it was only Rs. 58,116/ in mono-cropping of coconut. Among all the combinations, the maximum (pooled mean) B:C ratio was 1:3.16 which was recorded in the system where crops grown with 75% RDF + 25% N through vermicompost with plant growth regulators.
Characterization of onion (Allium cepa L.) genotypes for agro- morphological and yield traits in the Bundelkhand region
A field experiment was conducted to ascertain the production potential of different onion varieties and to identify the most suitable high yielding varieties with better growth, yield and quality. The experiment was carried out during the rabi season of 2019-20 at the experimental research farm of RLBCAU, Jhansi. Nineteen onion varieties were evaluated in Randomized block design with three replications. The data analysis revealed sufficient variability among all the genotypes for all the studied traits. The results depicted that, NHRDF Red-4 performed better with respect to majority of the yield and contributing traits and it can be further considered for multiple trials for further evaluation. The highest number of leaves, Polar diameter of bulb, leaf diameter was recorded in the variety Pusa Sona.
Effect of Chitosan and Mulching on Yield attributing characters and Yield Of Sweet pepper
Field experiments were carried out to study the effect of Chitosan and mulching on yield attributing characters and yield of sweet pepper (CV. Indra) in Rayagada district of Southern Odisha during September-January of 2019-20 and 2020-21. The experiments were laid out in Factorial Randomized Block Design with three replications and twelve treatments viz., T1: No mulch + No Chitosan, T2: No mulch + Chitosan@ 20PPM, T3: No mulch + Chitosan@40PPM, T4: No mulch + Chitosan@60PPM, T5: Silver Plastic mulch + No Chitosan, T6: Silver Plastic mulch+ Chitosan @20 PPM, T7: Silver Plastic Mulch +Chitosan @ 40 PPM, T8: Silver Plastic Mulch + Chitosan @ 60PPM, T9: Paddy Straw Mulch@ 7.5t/ha + No Chitosan, T10: Paddy Straw mulch @ 7.5t/ha + Chitosan @ 20PPM, T11: Paddy Straw Mulch@ 7.5t/ha + Chitosan @ 40PPM, T12: Paddy Straw Mulch @ 7.5t/ha + Chitosan @ 60PPM. The present study revealed that the maximum plant height (48.62 cm) was obtained with Paddy straw mulch + Chitosan 60PPM, where as maximum fruiting branches (8.20), maximum fruit weight (106.80g), polar diameter (7.75cm), shoulder diameter (6.51cm) and fruit yield (31.55t/ha) was recorded with Silver Plastic Mulch + Chitosan @ 40 PPM. The less the number of days required for flowering and fruiting the fruit can reach the market early and can fetch higher price which was directly related to higher return to the farmer and it was obtained by application of Chitosan @ 60 PPM with silver plastic mulching (21.9 days for flowering and 52.7 days for fruiting).