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October 10 2019


Residual Effect of Organic Manure (Biochar and Cowdung) on the Growth of Pterocarpus osun

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.

Please read full article : - www.journalcjast.com

October 02 2019


Effect of Organic Manure and Its Application Timing on the Growth and Yield of Cauliflower (Brassica oleracea var. botrytis)

An experiment was conducted at the Horticulture Farm, Sher-e-Bangla Agricultural University, Dhaka, from October 2017 to February 2018. The experiment consisted of two factors, Factor A: Four levels of organic manures, viz. M0 = Control; M1 = Cowdung (35 t ha-1), M2 = Mustard oil cake (3.5 t ha-1) and M3 = Vermicompost. Factor B: Three application times, viz. T1 = 15 days before transplanting, T2 = Application at the time of transplanting and T3 = 15 days after transplanting. The experiment was laid out in a randomized complete block design (RCBD) with three replications. In the case of organic manure, the highest yield (38.70 t/ha) was found from M2 treatment, whereas the lowest yield (19.71t/ha) was recorded from M0 treatment. In the case of application time, the highest yield (31.83t/ha) was found from T1 treatment, whereas the lowest yield (28.10 t/ha) was recorded from T3   treatment. Due to combined effect maximum yield (38.704 t/ha) with net return (4,74,421tk) and BCR (2.20) was obtained from M2T1 treatment combination while the lowest yield (17.90 t/ha) with the lowest income (44,211 tk) and BCR (1.17) from M0T3 treatment combination. So, the economic analysis revealed that the M2T1 treatment combination appeared to be best for achieving the higher growth, yield and economic benefit of cauliflower.

Please read full article : - www.journalajahr.com

September 13 2019


Comparative Effect of Biological Fixation of Nitrogen and Chemical Fertilizer on Yield Optimization of Two Sorghum Varieties in the Western Highlands

Sorghum (Sorghum bicolor (L) Moench) is a staple food in Africa, South Asia and Central America. In Cameroon, it is the main food of the population of the Sudano-Sahelian zone. Its production could decline by up to 20% by the middle of the century, due to climatic disturbances. This climatic disturbance in Cameroon has led to several consequences among which, low crop yields. The comparative effect of the biological fixation of nitrogen and chemical fertilizer on the optimization of yield of two varieties of Sorghum, was conducted from July to October at IRAD (Institute of Agricultural Research for Development) station of Foumbot. The experimental design was a complete randomized block with two factors: varieties of sorghum (V1: S35 and V2: BIOGLOR) and treatments (T0: Control, T1: 20-10-10 and T2: Sorghum / NITU beans). The collar diameter, the number of leaves and plant height were evaluated each week and yield in the end of the cropping season. As a result, treatment T1 induced very significantly (P ˂ .01) growth (shoot length, leaf and collar diameter). T1 (V1: 1.30 ± 0.11 t.ha-1, V2: 2.01 ± 0.07 t.ha-1) and T2 (V1: 1.12 ± 0.02 t.ha-1, V2: 2.15 ± 0.03 t.ha-1) showed statistically equal yields, and significantly different from T0 (V1: 0.50 ± 0.06 t.ha-1, V2: 0.55 ± 0.05 t.ha-1). The BIOGLOR variety had the highest yield (1.57 ± 0.57 t.ha-1) compared to the S35 variety (0.97 ± 0.19 t.ha-1). The treatment T2 is the recommended fertilizer system because of the higher grain yield of sorghum and its ability to protect the environment.

Please read full article : - www.journalajahr.com

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