PJB-2014-239
CHANGES IN GROWTH AND YIELD ATTRIBUTES OF TWO SELECTED MAIZE VARIETIES AS INFLUENCED BY APPLICATION OF CHEMICAL (NPK) AND ORGANIC (BAT’S MANURE) FERTILIZERS IN PALA (CHAD) GROWN FIELD
WAGUE RIDINE1,2, ALBERT NGAKOU2*, MBAILAO MBAIGUINAM3, FABIENNE NAMBA4 AND PATAI ANNA5
Abstract
The present experiment was conducted in Pala, region of the Mayo-Kebi West division, in a contribution to improve maize production in Chad. The work was oriented towards the evaluation of the interactions between chemical (NPK) and organic (bat’s manure) fertilizers on growth and yield attributes of TZEE-W and IB selected maize varieties. The experimental design was a (5x2)x4 factorial design in which the main factor was the proportion of organic/chemical fertilizer (%), and the maize variety as the secondary factor, comprising the following six treatments repeated four times: control (T0) with 0 % NPK and 0 % bat’s manure; T1 with 100% NPK; T2 with 100% bat’s manure; T3 with 75% NPK and 25% bat’s manure; T4 with 75% bat’s manure and 25% NPK; T5 with 50% bat’s manure and 50% NPK. Results show a variation in experimental soils pH of treatments from 5.91 to 7.92, depending on the proportion of the fertilizers applied. There were significant yield differences among treatments, as well as maize varieties. The 50% NPK+50% bat’s manure was found as the best treatment to significantly (p
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