EFFECT OF NITROGEN FERTILIZATION AND INTRA-ROW PLANT SPACING ON GROWTH AND YIELD OF GARLIC (Allium sativum L.)

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dc.contributor.authorBABAJI, BASHIR AHMAD
dc.date.accessioned2014-02-11T13:02:05Z
dc.date.available2014-02-11T13:02:05Z
dc.date.issued1996-03
dc.descriptionA thesis submitted to the Postgraduate School, Ahmadu Bello University, in partial fulfillment of the requirements for the Degree of Master of Science in Agronomy. DEPARTMENT OF AGRONOMY, FACULTY OF AGRICULTURE, AHMADU BELLO UNIVERSITY. ZARIA, NIGERIAen_US
dc.description.abstractA field experiment was conducted under irrigation at the Institute for Agricultural Research (I.A.R), Ahmadu Hello University. Samaru, Zaria during 1993/94 (November-April) dry season to study the response of garlic {Allium sativum I..) to different levels of nitrogen (0, 40, 80 and I20kg/ha) and intra-row spacing (5x10, 10x10 and 15x10cm). Application of nitrogen significantly increased plant height, number oi' leaves/plant, fresh and dry leaf weight, fresh and dry bulb weight, % bolters, bulb diameter, number of cloves and total bulb yield/ha with optimum values at 40kg/ha rates of N. The number of days to crop maturity, dry matter contents of bulb and average weight per clove were, however, reduced by N application. Increasing intra-row plant spacing from 5x10cm to 15x10cm significantly increased leaf fresh and dry weights between 6 to 15 weeks after planting (WAP), the mean weight/bulb at 15WAP, % bolters, bulb diameter, mean fresh weight of mature bulb, number of cloves/bulb and bulb yield/ha. However, spacing had no significant effect on plant height, number of leaves per plant, dry bulb weight between 6-15 WAP. days to crop maturity, bulb dry mallei- content and mean weight/clove. The interaelion of nitrogen and spacing was significant on number of leaves/plant, bulb diameter, mature bulb weight and number of cloves per bulb which were maximized by the combination of 80kgN/ha with 15x10cm, while the effect of these treatments on yield was optimum at N rate of 40kg/ha plus intra-row spacing of 5x10cm or 10x10cm depending on the quality of the crop needed.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/1282
dc.language.isoenen_US
dc.subjectEFFECT,en_US
dc.subjectNITROGEN,en_US
dc.subjectFERTILIZATION,en_US
dc.subjectINTRA-ROW,en_US
dc.subjectPLANT,en_US
dc.subjectSPACING,en_US
dc.subjectGROWTH,en_US
dc.subjectYIELD,en_US
dc.subjectGARLIC,en_US
dc.subjectAllium sativum L.en_US
dc.titleEFFECT OF NITROGEN FERTILIZATION AND INTRA-ROW PLANT SPACING ON GROWTH AND YIELD OF GARLIC (Allium sativum L.)en_US
dc.typeThesisen_US
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