Comparative effect of mesquite biochar, farmyard manure, and chemical fertilizers on soil fertility and growth of onion (Allium cepa L.)

2019 ◽  
Vol 12 (18) ◽  
Author(s):  
Mumtaz Khan ◽  
Kaneez Fatima ◽  
Rehan Ahmad ◽  
Rafia Younas ◽  
Muhammad Rizwan ◽  
...  
Keyword(s):  
Soil Fertility ◽  
Allium Cepa ◽  
Farmyard Manure ◽  
Comparative Effect ◽  
Chemical Fertilizers ◽  
Allium Cepa L

scholarly journals Allium cepa L. Inoculation with a Consortium of Plant Growth-Promoting Bacteria: Effects on Plant Growth and Development and Soil Fertility Status and Microbial Community

Proceedings ◽  
2021 ◽  
Vol 66 (1) ◽  
pp. 20
Author(s):  
Marika Pellegrini ◽  
Daniela M. Spera ◽  
Claudia Ercole ◽  
Maddalena del Gallo
Keyword(s):  
Microbial Community ◽  
Plant Growth ◽  
Soil Fertility ◽  
Allium Cepa ◽  
Bacterial Consortium ◽  
Plant Growth Promoting Bacteria ◽  
Allium Cepa L ◽  
Plant Growth Promoting ◽  
Growth Promoting ◽  
Molecular Profiles

The present work was aimed at investigating the effects of a four strains consortium—Azospirillum brasilense, Gluconacetobacter diazotrophicus, Herbaspirillum seropedicae, and Burkholderia ambifaria—on crops of Allium cepa L. and its soil health. The bacterial consortium was inoculated on seeds of two different onion varieties; inoculated seeds and control ones (treated with autoclaved inoculum) were sown in open-field and followed until harvest. Plant growth development parameters, as well as soil physico-chemical and molecular profiles (DNA extraction and 16S community sequencing on the Mi-Seq Illumina platform), were investigated. The results showed a positive influence of bacterial application on plant growth, with increased plant height (+18%), total chlorophylls (+42%), crop yields (+13%), and bulbs dry matter (+3%) than the control. The differences between control and treated experimental conditions were also underlined in the bulb extracts in terms of total phenolic contents (+25%) and antioxidant activities (+20%). Soil fertility and microbial community structure and diversity were also positively affected by the bacterial inoculum. At harvest, the soil with the presence of the bacterial consortium showed an increase of total organic carbon, organic matter, and available P and higher concentrations of nutrients than control. The ecological indexes calculated on the molecular profiles showed that community diversity was positively affected by the bacterial treatment. The present work allowed to remark the effective use of plant growth-promoting bacteria as a valid fertilization strategy to improve yield in productive landscapes, whilst safeguarding soil biodiversity.

scholarly journals Diagnostique de production de l’oignon dans la partie Septentrionale du Cameroun

2021 ◽  
Vol 15 (3) ◽  
pp. 923-935
Author(s):  
Jérémie Dinissia ◽  
Lucien Tatchum Tcheunteu ◽  
Abba Maimouna ◽  
Hawaou ◽  
Habib Alium ◽  
...  
Keyword(s):  
Shelf Life ◽  
Allium Cepa ◽  
Chemical Fertilizers ◽  
Far North ◽  
Production Constraints ◽  
Sustainable Improvement ◽  
Base De Données ◽  
Allium Cepa L ◽  
Almost All ◽  
Bulb Yield

Oignon (Allium cepa L.) est une culture maraîchère présentant un atout économique important pour les paysans Camerounais. Cette étude visait à faire un diagnostic de production de l’oignon dans la partie Septentrionale du Cameroun afin de développer des stratégies d’amélioration durable de cette filière. Une enquête a été menée pour déterminer le profil des acteurs de la filière oignon, les variétés cultivées, les techniques culturales ainsi que les contraintes de production. Les enquêtes s’étaient déroulées en 2017 auprès des acteurs de la filière oignon. L’échantillonnage était constitué de 60 personnes dans chacune des trois régions du Grand Nord Cameroun, soit un échantillonnage global de 180 personnes. Les résultats montrent que la plupart des acteurs sont des producteurs et sont 1,47 fois plus nombreux que les commerçants. 04 variétés d’oignon sont cultivées : Goudami, Chagari, Belami et violet de Galmi. La variété Goudami avait un rendement en bulbe élevé (10 à 35 t/ha), une durée de conservation des bulbes plus importante et est la plus cultivée. La quasi-totalité (69%) des producteurs utilise les engrais chimiques pour améliorer le rendement de cette culture. Ces informations serviront de base de données dans le programme de perfectionnement de la filière oignon au Cameroun. English title: Diagnosis of onion production in the Northern Part of Cameroon Onion (Allium cepa L.) is a market garden crop that is a major economic asset for Cameroonian farmers. This study aimed at diagnosing onion production in the Northern part of Cameroon in order to develop strategies for onion sustainable improvement. A survey was conducted to determine the actors profile relative to onion sector, varieties grown, crop techniques as well as production constraints. The surveys were conducted in 2017 among actors of onion sector. The sample consisted of 60 people in each of the three regions of Far North Cameroon, for an overall sample of 180 people. The results shown that most of the actors are producers, they are 1.47 folds greater than traders. Four onion varieties are grown in the Northern part of Cameroon: Goudami, Chagari, Belami and Galmi violet. The Goudami variety presents high bulb yield (10 to 35 t/ha) and longer bulb shelf life, and is the most widely cultivated. Almost all (69%) of the producers use chemical fertilizers to improve onion growth. This information will be used as a database to improve the performance of onion sector in Cameroon.

Effects of combined application of vermicompost and mineral fertilizer on the growth of Allium cepa L. and soil fertility

2011 ◽  
Vol 175 (1) ◽  
pp. 101-107 ◽  
Author(s):  
Pankaj Kumar Srivastava ◽  
Manjul Gupta ◽  
Rakesh Kumar Upadhyay ◽  
Suresh Sharma ◽  
Shikha ◽  
...  
Keyword(s):  
Soil Fertility ◽  
Allium Cepa ◽  
Mineral Fertilizer ◽  
Combined Application ◽  
Allium Cepa L

scholarly journals Design and Fabrication of Automatic Onion Planting Machine

2018 ◽  
Vol 8 (10) ◽  
pp. 373-376
Keyword(s):  
Soil Fertility ◽  
Physical Properties ◽  
Allium Cepa ◽  
Labour Cost ◽  
Human Intervention ◽  
Allium Cepa L ◽  
Plant Seedlings

The main objective of the project is to design and fabricate an automated onion planting machine. The onion (Allium cepa L) is one of the commonly used crops which are grown in most of the farms in India and abroad for their consumption purpose and also export purpose. Onion growing farmers undergo hurdles in planting of onion seedlings because of shortage of farming labours during planting onion crops. So, necessity of developing an automated onion planting machine increased. Various physical properties like soil, weather, plant, seedlings, and soil fertility were determined to fabricate the automated onion planting machine. The automated onion planting machine plants onion plants in straight row at a predefined interval between each plant without any human intervention using automation. Automation plays a major factor in developing the automated onion planting machine to save farmers time and labour cost to plant onion plants in a row

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