Publisher: Bachudo Science Co. Ltd

The Effect of Tillage Types On Microcumatic Condition and Yield of Inter-Cropped Vegetables In Midwestern Nigeria

P. A. O. Odjugo
KEYWORDS: Tillage types, microclimate, intercropping, vegetables and yield

ABSTRACT:

This paper examined the effect of tillage types on microclimatic condition and the yield of inter-cropped vegetables (okra, tomatoes pepper and garden egg) in Midwestern Nigeria. Climatic data (air and sod temperature, soll moisture, rainfall. and relative humidity) and physiological parameters (emergence, growth, leaf area and yield) of the crops were collected at the agroclimatology experimental farm situated at the University of Benin, Benin City, Nigeria. between March and November 2004 and 2005. The data were analysed using time series product moment correlation. stepwise regression, analysis of variance and least square. range test The results show that soil temperature at 5 -cm and 10 -cm depths was highest in mound followed by ridge, bed and hole tillage while the reverse pattern was displayed by soil moisture at O. 15 -cm depth. Bed tilage favoured the yield of tomatoes (~9.84 t ha ), okra produced more in ridge (10.46 t ha·), while pepper (12.23 t ha 1) and garden egg (15.73 t ha ) had higher yields in mounds. While mono cropping yielded more than mixed cropping, the latter reduced crops yield by between 8.41 Yo and 41.28%. If mixed cropping is to be practiced. the only economically viable combinations are okra/pepper and garden egg /pepper.


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