Influence of neem leaf fortified fertilizers on tea (<i>Camellia sinensis</i>) yield and soil chemical properties

Ipinmoroti, R. R.; Akanbi, O. S. O.

doi:10.17660/actahortic.2019.1253.19

Cited by 3 publications

(3 citation statements)

References 8 publications

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“…The fresh weight of the plant parts was measured. The plant parts were packaged in paper envelopes, oven dried at 70 o C for 48 hours to constant weights and their dry weight was measured [16]. Both the fresh and dry weights were measured with the KERRO Electronic Compact Scale.…”

Section: Data Collection and Analysismentioning

confidence: 99%

Growth performance of tea (Camellia sinensis [L.] Kuntze) as influenced by light intensities on the field in Ibadan, Southwest Nigeria

Seun Adewale Adeosun

2023

World J. Adv. Res. Rev.

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Tea is one of the most important beverage crops consumed for its antioxidant properties in many parts of the world. Growing tea in Southwest Nigeria is constrained by the warm climate occasioned by high light intensity of the area. Regulation of Light intensity (LI) is necessary for possible cultivation of tea in this area. Information on response of tea to LI in Southwest Nigeria is scanty. Therefore, field experiment was carried out in Cocoa Research Institute of Nigeria Ibadan to assess the growth of two tea cultivars, 143 and 318 under three light intensities: 100% (1.04x105lux), 65% (6.75x104lux) and 45% (4.57x104lux) achieved by using sheds of 0, 1 and 2 palm fronds layers, respectively. The experiment was laid out in randomized complete block design arranged in Split plots with four replications. Data on Number of leaves (NL), Number of branches (NB), Plant height (PH, cm), Stem diameter (SD, cm), Leaf area (LA, cm2) and Dry matter (DM, g) accumulation were obtained following standard procedures, and were analyzed with descriptive statistics and ANOVA at α0.05. Cultivar 143 performed significantly better than 318 with 88.94NL, 18.73NB, 62.99PH, 0.94SD, 2194LA and 56.38DM under 45% light intensity. The highest NL (84.07), NB (15.86), PH (68.63), SD (1.06) and LA (2885.75) was produced under 45% light, while the least was produced under 100% LI. Total DM ranged from 30.20 g/plant under 100% LI to 65.80 g/plant under 45% LI. In conclusion, optimal vegetative growth and dry matter accumulation of tea cultivar 143 was achieved under 45% LI using sheds of 2 layers of palm fronds.

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Section: Data Collection and Analysismentioning

confidence: 99%

Growth performance of tea (Camellia sinensis [L.] Kuntze) as influenced by light intensities on the field in Ibadan, Southwest Nigeria

Seun Adewale Adeosun

2023

World J. Adv. Res. Rev.

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“…Specifically, investigations on the quality of plateau soils have been undertaken. Prominent amongst them are: properties, classification and agricultural potential of basaltic soils in semi-arid Nigeria (Kparmwang et al, 1998); soil parent materials and soil properties in two separate catchment areas on the Jos Plateau, Nigeria (Olowolafe, 2002); characterization and classification of soils of Janta Area, Plateau State of Nigeria (Idoga & Azagaku, 2005); rattle tree (Albizia lebbeck) effects on soil properties and productivity of Irish potato (Solanum tuberosum) on the Jos Plateau, Nigeria (Kareem, 2007); physicochemical properties and selected heavy metals in tin-mine spoil soils around Jos Plateau Nigeria (Ideriah & Abere, 2017); physicochemical properties and trace elements of soils in Mambilla Plateau of Northeastern Nigeria (Isaac et al, 2018); influence of neem leaf fortified fertilizers on tea (Camellia sinensis) yield and soil chemical properties (Ipinmoroti & Akanbi, 2019); energy dispersive x-ray fluorescence determination of minor and major elements in soils of Mambilla Plateau Northeastern Nigeria (Isaac et al, 2019) etc.…”

Section: Introductionmentioning

confidence: 99%

Land Use Effect on Quality of Plateau Soils: A Case Study of Ososo in Northern Edo State, Nigeria

Orobator¹,

Ekpenkhio²

2021

Ghana J. Geography

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The study examined land use effect on quality of plateau soils, using Ososo in Northern Edo State, Nigeria as a case study. The objectives were to examine the status of soils under the different land uses and evaluate variation in the physicochemical properties of soils among the investigated sites. A total of thirty-six soil samples were collected from secondary forest, cocoa plantation and quarry site at 0 - 15 and 15 - 30 cm depths. Soil quality indicators were analyzed in the laboratory, while data were examined by descriptive and inferential statistics. Due to the effect of mining activities, quarry site had lower mean values of soil organic matter, total organic carbon, total nitrogen, available phosphorous, effective cation exchange capacity, potassium, copper and manganese while iron, zinc and calcium were lower in secondary forest. However, Na and ECEC were higher in cocoa plantation. The study further revealed that though the examined land uses had varied effects on the soil properties; quarry site impacted the soil quality parameters more negatively compared to the secondary forest and cocoa plantation land use types. Significant variation (p < 0.05) in sand, clay and available phosphorous was detected in the topsoil of the different land uses. The research concluded that the status of the soil nutrients was low. To improve the quality of the plateau soils, liming and the use of animal droppings, town refuse ash and plant remains is recommended.

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“…Apart from being safe to handle [9], organic fertilizers have been rated high in promoting crop growth, improving soil physical, chemical and biological properties, releasing plant nutrients slowly to meet tea plant nutritional needs and enhancing tea yield [10,11,12,13,14,15]. The yield of tea was enhanced when grown under organic fertilizers in China [14] and on Mambilla highland [16]. Moreover, the quality of tea beverage is enhanced when tea is grown under organic fertilizers [17].…”

Section: Introductionmentioning

confidence: 99%

Field Performance Evaluation of Tea (Camellia sinensis L.) to the Application of Different Organic Wastes under Southwest Nigeria

Adeosun

Togun

2020

IJPSS

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Aims: To assess the field establishment of two tea cultivars under Cocoa Pod Husk (CPH) and Poultry Manure (PM). Study Design: Randomized complete block design arranged in Split-plots (cultivars as main plots and organic amendments as sub-plots) with four replications. Place and Duration of Study: Cocoa Research Institute of Nigeria stations in Ibadan and Owena, Southwest Nigeria between May 2016 and November 2017 (Rainy and dry seasons of 2016; Rainy season of 2017). Methodology: Milled CPH and cured PM were applied each at the rates of 150 and 300 kg Nha-1 to established C143 and C318 tea cultivars on the field; unfertilized tea cultivars served as control. Data on number of leaves, number of branches, leaf area, plant height and stem diameter were collected on monthly basis; while dry matter was assessed at 15 months after transplanting. The data were analyzed with ANOVA and correlation at α.05. Results: The C143 performed better than C318 and 150 kg Nha-1 of CPH and PM enhanced the vegetative growth and dry matter of tea better than 300 kg Nha-1 in Ibadan and Owena. Cultivar 143 was significantly (P=0.05) better than cultivar 318 in number of leaves, number of branches and stem diameter in Ibadan; and in number of leaves and leaf area in Owena. CPH at 150 kg Nha-1 increased number of leaves, number of branches, leaf area, plant height and total dry matter by 135.11, 88.19, 346.12, 65.33 and 428.11% at Ibadan; and by 349.09, 245.41, 376.89, 80.89 and 231.49% at Owena, compared to control. On the interaction, tea cultivar 143 that received 150 kg Nha-1 CPH produced significantly (P=0.05) higher number of leaves, leaf area and total dry matter at Ibadan and Owena. Leaf area was positively correlated with number of leaves (r=0.87) in Ibadan and stem diameter (r=0.80) in Owena. Conclusion: CPH at 150 kg Nha-1 enhanced the growth and dry matter content of C143 tea established on the field in Ibadan and Owena, and is therefore recommended for tea cultivation in Southwest of Nigeria.

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Influence of neem leaf fortified fertilizers on tea (Camellia sinensis) yield and soil chemical properties

Cited by 3 publications

References 8 publications

Growth performance of tea (Camellia sinensis [L.] Kuntze) as influenced by light intensities on the field in Ibadan, Southwest Nigeria

Growth performance of tea (Camellia sinensis [L.] Kuntze) as influenced by light intensities on the field in Ibadan, Southwest Nigeria

Land Use Effect on Quality of Plateau Soils: A Case Study of Ososo in Northern Edo State, Nigeria

Field Performance Evaluation of Tea (Camellia sinensis L.) to the Application of Different Organic Wastes under Southwest Nigeria

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