Background and Objective: Unproductive soil has been a major problem to farmers, recent interest in the use of a stable organic manure (biochar) as soil amendment and poultry manure to increase soil fertility is also increasing. Hence, the experiment was conducted to assess the condition of poultry manure and biochar on the growth and yield of tomato. Materials and Methods: A greenhouse experiment was conducted at the Federal College of Forestry Ibadan, using polyethylene bag with 5 kg soil collected at two (2) soils depths, 0-15 cm and 15-30 cm depth at the botanical garden, Federal College of Forestry Ibadan. The experiment was arranged in a completely randomized design (CRD) with four replicates. The treatments used were poultry manure (5t/ha), biochar (10t/ha), mixture of poultry manure and biochar (1:1) and control (no amendment).The tomato seeds (UC82B) were sourced from NIHORT, Ibadan and raised in a germination basket. Data were collected weekly on plant height, collar diameter and number of leaves, 50% days to flowering and yield of tomato plants from two weeks after transplanting (WAT). Data collected were analyzed statistically using ANOVA while means were separated using LSD (p<0.05) where applicable. Results: In 0-15 cm soil, the growth variables (plant height, number of leaves and collar diameter) increased with various treatments used. The highest tomato height was observed with the application of biochar (10t/ha). All the treatments applied affected the number of tomato leaves at all weeks after transplanting (WAT) with poultry manure 5t/ha having the highest number of leaves at 7WAT, while collar diameter was significantly affected by various treatments from 2 to 5 WAT, with the mixture of P.M + BIO (1:1) recording the highest value and the control plot recorded the least values in all weeks. However, in 15-30 cm soil, there was significant difference in the number of leaves of tomato among all the amended soil from 5 to 7 WAT, the highest tomato leaves were obtained when the soil was amended with poultry manure (5t/ha) and can be compared with other treatments. Interaction of poultry manure and biochar(1:1) and poultry manure 5 t/ha resulted in highest height of tomato plant from 3-7 WAT as compared to the control that had the least value but were not significantly different from the sole application of biochar 10t/ha. Interaction of poultry manure + biochar (1:1) and poultry manure (5t/ha) gave the highest tomato flowering and fruits. Conclusion: Based on this result, biochar and poultry manure when added to soil, boosted the mineralization of the soil after amendment.
One of the biggest challenges to sustainable global food security is the need to find suitable replacements for inorganic fertilizer. This is because inorganic fertilizers production consumes an increasing proportion of the global energy budget and the supply of key raw materials, primarily phosphorus is becoming more limited. Therefore, this study was conducted to evaluate the effect of Arbuscular Mycorrhiza Fungi, AMF (Glomus mossae) and compost on soil properties and early growth response of Parkia biglobosa. The experiment was set up at the screen house of the Department of Bioscience, Forestry Research Institute of Nigeria. The experimental design was a 2 x 5 factorial, laid in a Completely Randomized Design (CRD) with four replicates. The treatments used were compost at five (5) levels: 10t/ha, 20t/ha, 30t/ha, 40t/ha, no amendments; and two (2) levels of AMF inoculation (with and without). Data on plant height, number of leaves, collar diameter and dry matter yields were generated and subjected to analysis of variance, and significant means were separated using Duncan's Multiple Range Test at 5% level of significance. Original Research Article1 had the highest plant height with a value of 35.06 cm. Application of 40 t ha-1 of compost with inoculation significantly increased (p< 0.05) the root dry matter yields while no significant differences were observed in leaves and stem dry matter yield for both inoculated and un-inoculated. The analysis of the soil before and after the experiments could also be comparable to one another as no variation was observed. From the results obtained, it can be concluded that AMF can successfully be inoculated into compost amended soil to improve the performance of Parkia biglobosa.
The present study aims to determine the residual effects of organic manure (biochar and cowdung) growth of P. osun under a screen house condition. Implementing the use of biochar and different organic sources has been proposed as an option for improving soil fertility, restoring degraded land and sequester large amounts of carbon (C) over the long-term. The study was carried out in Forestry Research Institute of Nigeria. Pterocarpus osun seeds were collected from the botanical garden at the University of Ibadan. The media for planting (soil) and treatments used had already been established from previous experiments done by using same species (Pterocarpus osun). Seedlings of P. osun were raised in a germination basket for four (4) weeks and twenty four (24) healthy seedlings were selected from the basket on the basis of uniform treatments and then transplanted into the already established media and the experiments were arranged in a completely randomized design (CRD). Data on growth parameters (plant height, number of leaves), collar diameter and dry matter yields were generated and subjected to analysis of variance. The significant means were separated by using LSD at 5% level of significance. The results showed that the interaction of Biochar + Cow dung (30 t/ha +135 g) had the highest diameter with a value of 5.17 mm when compared with the control (no amendments). The highest plant height was recorded by the interaction of biochar and cow dung at 20 t/ha +135 g with mean value of 11.73 cm while sole application of cow dung also performed well in number of leaves with a mean value 11.50 as compared with the control (no amendment). It is concluded that there is a residual effect in the interaction of biochar and cow dung, which ultimately improves the performance of Pterocarpus osun.
Aim: To investigate the early growth response of Morinda citrifolia to varying levels of Aleshinloye compost and N:P:K 15:15:15 in a degraded Alfisol in a tropical Nigerian environmental condition. Study Design: The study was laid out in a completely randomized design (CRD) with twelve (12) treatments replicated six (6) times with a total of seventy two (72) experimental units. Place and Duration of Study: The study was carried out in the greenhouse of Soil and tree Nutrition department of the Forestry Research Institute of Nigeria Ibadan (FRIN) and it lasted for a period of 6 month. Methodology: Degraded top soil used for the experiment was collected within FRIN arboretum. The soil was air dried and passed through a 2 mm diameter sieve before being filled into polythene pots of 15 cm x 20 cm dimension having a 3 kg soil capacity. The organic fertilizer was applied at 4 weeks before transplanting while the inorganic fertilizer was applied at 2 weeks after transplanting and pre-germinated seedlings of Noni were transplanted at four leaves stage. The data collected include Stem Girth (mm), plant height (cm) and Number of leaves starting from 30 Days After Transplanting (DAT). Results: The result revealed that the soil sample used for this study had pH value of 6.06 and the total N value of 0.11%. Noni plant with treatment T11 (N:P:K 15:15:15 at 80 Kg Nha-1 + Aleshiloye compost (AC) at 80 Kg Nha-1) had the highest plant height values of 48.17, 65.67 and 77.87 cm respectively which are significantly higher (P = .05) than T1 (control) with 37.17, 47.50 and 55.33 cm respectively that are the least values observed from 120 DAT to 180 DAT. The Plant Dry Matter (PDM) for leaves, stem and root (3.593, 2.720 and 4.220 g/plant) respectively from the control (T1) plant was the least when compared to every other treatment in the study. Conclusion: The use of composted manure in combination with N:P:K 15:15:15 ensured early and continuous supply of nutrient with resultant higher growth performance of Noni over a period of six months as shown in the study.
Background and Objective: Arbuscular Mycorrhizal Fungi (AMF) plays a role in the structural stability of soil which governs most soil activities. Stable organic manure such as compost may provide a suitable habitat and energy source for mycorrhizal growth, which is also a benefits in view of soil productivity. The impact of a combination of compost and mycorrhizal on plant growth was assessed in this study. Hence, experiment was conducted to investigate the influence of compost and mycorrhizalon the early growth response of Parkia biglobosa under a greenhouse condition. Materials and Methods: In the greenhouse of the Department of Bioscience, Forestry Research Institute of Nigeria. A 2 × 5 factorial experiment in a complete randomized design was conducted; two levels of mycorrhizal (with and without); five levels of compost (10t/ha, 20t/ha, 30t/ha, 40t/ha and no amendments) in two (2) kilogram soil under four (4) replications was set up. Laboratory analyses of soil and organic amendment incorporated in the soil were done. Data on growth variables were taken fortnightly. The data was statistically analyzed and mean were separated using Duncan Multiple Range Test (DMRT). Results: The results showed that, there was significant difference (p<0.05) in the plant height of Parkia biglobosa between mycorrhizal and non-mycorrhizal plants across all weeks after transplanting (WAT),compost application with the interaction of AMF at 40 t/harecorded the highest plant height and number of leaves at 16WAT with 35.14 cm and 29.75 respectively, which are relatively comparable to other treatments used, the least plant height and number of leaves were observed when -AMF 0 t/ha ( control) was used as an amendment with 23.00 cm and AMF 0t/ha (15.05) respectively. For collar diameter, all the treatments were comparable to one another except + AMF 30t/ha which produced the lowest collar diameter with mean value of 2.97mm. Conclusion: Based on the description of results above, it can be concluded that: The Inoculation of the AMF and compost significantly affect the early growth performance of Parkia biglobosa, thus providing optimum soil physical conditions for it growth.
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