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Articles by M.D. Magaji
Total Records ( 6 ) for M.D. Magaji
  U. Aliyu , M.D. Magaji , A. Singh and S.G. Mohammed
  Field experiments were conducted in 2003/2004 and 2004/2005 dry seasons to study the effect of Nitrogen (N) and Phosphorus (P) on the growth and yield of irrigated onion in the Sudan Sananna of Nigeria. The treatments consisted of factorial combinations of four levels of nitrogen (0, 50, 100 and 150 kg N ha-1) and three levels of phosphorus (0, 17.5 and 35 kg P ha-1) laid out in split-plot design with three replications. Nitrogen was allocated to the main plots while phosphorus was assigned to the sub-plots. Results revealed that N and P as well as their interaction, significantly affected plant height, number of leaves per plant, percentage bolters, crop growth rate and individual bulb weight. However, interaction was not significant on bulb yield. Nitrogen at the rate of 150 kg N ha-1 gave the best results, though, statistically at par with 100 kg N ha-1. 17.5 kg P ha-1 gave statistically similar results as 35 kg P ha-1. The optimum combination from the results of this investigation was 100 kg N ha-1 and 17.5 kg P ha-1.
  M.B. Sokoto , M.D. Magaji and A. Singh
  Field study was conducted in 2003/2004 and 2004/2005 dry seasons at the Usmanu Danfodiyo University Teaching and Research Fadama Farm, Sokoto to study the effects of intra-row spacing and potassium on growth and yield of sweet potato. Treatments consisted of factorial combinations of five levels of potassium (0, 50, 100, 150 and 200 kg K ha-1) and four intra-row spacings (20, 30, 40 and 50 cm) laid out in a Randomized Complete Block Design (RCBD) replicated three times. Results showed significant effect of intra-row spacing on all parameters measured. Close intra-row spacing (20 cm) produced tubers of comparatively lower weight, while wide intra-row spacing (50 cm) resulted in significantly bigger tubers. Yield increased with every increment in plant population and was highest at closest intra-row spacing (20 cm). Application of potassium had no significant effect on all the growth parameters under study but significantly increased marketable tuber and fresh tuber yield. Thus, 40 cm intra-row spacing (Due high proportion of marketable tuber) and 50 bags of 100 kg of ash/ha is recommended for use under irrigated condition in the Sokoto Fadama.
  L.S. Aliyu , A. Singh , M.D. Magaji and M.S. Umar
  Field experiments were conducted in 2004 and 2005 rainy seasons to determine the effects of Phosphate Rock (PR) levels and variety on growth and yield of cowpea varieties. Treatments consisted of factorial combinations of two varieties (Baadare and IAR 48) and three levels of phosphate rock (25, 50 and 75 kg ha-1) along with a control (0 kg PR ha-1) laid out in a randomized complete block design replicated three times. Results showed that, at 0 kg PR ha-1 (control) the two varieties had similar performance in all the parameters measured. But application of PR resulted in significant (p<0.01) response compared to control in most parameters studied. Application of 50 and 75 kg PR ha-1 resulted in significant increase in pods yield and number of pods plant-1 in 2004 trial, while shelling percentage, grain and stover yields, 1000 grain weight, number of seeds plant-1 and harvest index were not significantly influenced by PR levels. Significantly (p<0.05) higher pods yield, shelling percentage, grain and stover yields, 1000 grain wt. number of pods plant-1 and number of seeds plant-1 were observed with Baadare (local) than with IAR-48 (improved) but higher harvest index was observed with IAR 48. Therefore, from this study it was concluded that, application of 25 kg PR ha-1 was adequate for cowpea production and Baadara (local) variety was suitable for Sudan savanna zone.
  U. Aliyu , A.U. Dikko , M.D. Magaji and A. Singh
  Experiments were undertaken at the Usmanu Danfodiyo University Fadama Teaching and Research Farm, Sokoto in 2004 and 2005 dry seasons to determine the effect of different nitrogen levels (0, 50, 100 and 150 kg N ha-1) and intra-row spacing (10, 15, 20 and 25 cm) on the growth and yield of onion. Results revealed that nitrogen and intra-row spacing as well as their interaction, significantly affected plant height, number of leaves, crop growth rate, individual bulb weight, bulb diameter and total bulb yield per hectare. Nitrogen at the rate of 100 or 150 kg N ha-1 gave the best results and was statistically at par in all the parameters measured. Tweenty and 25 cm intra-row spacing were found to have recorded the highest and statistically similar values. The optimum yield of onion bulbs (30.83 t ha-1) was obtained from 15 cm intra-row spacing combined with 100 kg N ha-1. However, for large bulb size, application of 150 kg N ha-1 in plants spaced at 25 cm intra-row spacing and 20 cm inter-row spacing may be recommended.
  H.G. Ahmed , M.D. Magaji , A.I. Yakutu , L. Aliyu and A. Singh
  Field trials were carried out during 2002/03 and 2003/04 dry seasons (Nov. to March) at Sokoto to investigate the performance of garlic (Allium sativum L.) to varying levels of irrigation interval and clove size. Treatments consisted of factorial combinations of four irrigation intervals in days (3, 5, 7 and 9 days) and two clove sizes (small, < 2 cm and large, 2-3 cm). Treatments were laid out in a randomized complete block design with three replications. The results obtained revealed that 3-day irrigation interval significantly affected number of leaves per plant, plant height at maturity, bulb yield, bulb weight, number of cloves per bulb and clove weight throughout the period of investigation, while increase in the number of days between irrigation interval negatively affected the growth and yield and performance of the garlic. Generally, 3-day irrigation interval out-yielded the rest of the irrigation intervals in all the parameters assessed in both seasons. Clove size had significant effect on the number of leaves per plant, plant height, bulb yield, bulb weight, number of cloves per bulb and clove weight and they increased as the clove size increased. Large sized cloves had significantly and consistently out yielded small sized cloves in both seasons. It was concluded from this study that large clove size and applying irrigation at 3-day interval may be recommended for good performance of garlic under semi-arid condition of Sokoto, Nigeria.
  L.A. Okosun , M.D. Magaji and A.I. Yakubu
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