Browsing by Author "ALABI, K.O."

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    Evaluation of Growth and Yield of Sorghum Cultivars as Influenced by Intercropping of Soybean
    (J. Appl. Sci. Environ. Manage, 2024-12-15) AFE, A.I; BANKOLE, J.A; OLOWOAKE, A.A; ALABI, K.O.; AWONIYI, O.A.; ABDULKAREEM, F.Y.
    The fast-growing world population and reduction in the land for agricultural purposes have threatened the demand for food thus making intercropping an indispensable farming practice. Hence, the objective of this paper is to evaluate the growth and yield of sorghum cultivars as influenced by intercropping of soybean at a Tertiary Institution Research Farm Ogbomoso, and the National Centre for Agricultural Mechanization (NCAM), Idofian during the 2021 cropping season using appropriate standard techniques. Data obtained show that sole sorghum out-yielded the intercropped and decreased as the population of component soybean decreased. A significantly lower number of pods 18.93 and 32.48 and seeds 79.2 and 68.9 per plant respectively for LAUTECH and NCAM were recorded at the treatment where full populations of both crops were intercropped. Irrespective of cultivar and location the lowest grain yield of sorghum at the intercropped was obtained at the population ratio 100SH:100SO but the least grain yields of soybean were recorded at the 100SH:25SO population ratio. Regardless of the sorghum cultivar, the highest intercropping advantage as measured by Land Equivalent Ratio (LER) and Land Equivalent Coefficient (LEC) indices was observed at 100SH:100SO with Samsorg 47 cultivar. This population ratio and sorghum cultivar is recommended for adoption
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    IMPACT OF HIGH RATES OF THREE ANIMAL MANURES ON SOIL EXCHANGEABLE SODIUM AND POTASSIUM AND WILD OKRA (Corchorus olitorius L.) PERFORMANCE
    (Journal of Agricultural Science and Environment, 2024-09-22) SAKA, H.A.; AZEEZ, J.O.; ALABI, K.O.
    There is paucity of information on effects of manure-induced factors on soil owing to high application rates. This necessitated the study to evaluate effects of three animal manures on soil K+ and Na+, and Corchorus olitorius L. The experiment was a randomized complete block design, replicated three times, in three cycles and six weeks per cycle. Cattle, goat and poultry manures were applied solely at the rates of 5, 10, 20, 40, 60, 80, 120 and 150 t ha-1. During first cycle, percentage increases of soil K+ bi-weekly over the control, were 550, 802, 763 % for cattle; 650, 783 1,086 % for goat and 380, 386, 500 % for poultry manure treatments at first, second and third cycle, respectively. Highest increase in soil Na+ content at 6 weeks after planting of first, second and third cycles, were 9.36, 7.14, 4.83 cmol+ kg-1 for cattle; 8.74, 5.65, 4.49 cmol+ kg-1 for goat and 6.08, 4.80, 3.34 cmol+ kg-1 for poultry amendments, respectively. At third cycle of planting, average reduction of soil Na+ content for cattle, goat and poultry manure treatments, were quadrupled, cubic and doubled that of second cycle, respectively. Increase in Corchorus olitorius (L). leaf area irrespective of manure rates at second and third cycles doubled the values of first cycle. From the study, addition of cattle, goat and poultry manures above 60 t ha-1 increased soil K+ and Na+ but hindered Corchorus olitorius L. performance at first cycle and their residual effects enhanced the performance at second and third cycles.