ASSESSMENT OF MICRONUTRIENTS STATUS OF DAMATURU SOILS OF YOBE STATE, NIGERIA | Asian Journal ....

Through their involvement in various plant enzymic systems and other physiologically active molecules, micronutrients play an important role in gene expression, protein biosynthesis, nucleic acid biosynthesis, growth substances, carbohydrate and lipid metabolism, and other physiologically active molecules. In general, there are few research on the micronutrient status of northern Nigerian Savanna soils. As a result, various studies argue that soil micronutrient level should be assessed. This would allow resource-poor farmers to make better use of soil resources and aid the government's efforts to achieve food security. During the dry season of 2016, a study was done at the New Research Farm (NRF) of College of Agriculture, Gujba, in Damaturu, the state capital of Yobe State, Nigeria. In Damaturu LGA, Yobe State, Nigeria, a total of 12 composite soil samples were collected at 0-15 and 15-30 cm depths from six different, purposively selected representative locations. The physical and chemical parameters of the soil samples were determined using standard laboratory methods. The information gathered was subjected to descriptive statistics (mean value), and soil parameters were calculated and used to compare the results to the relevant findings. Esu's critical limitations for assessing soil fertility levels were implemented (1991). According to the findings of this study, the soils were mostly sandy loam in character. The majority of macronutrients were found to be mildly acidic. The study site's total N and accessible P imply medium content, whereas the available K indicates high richness. With the exception of Mn, which was discovered to be in the low category of fertility rating, the micronutrients were usually found in the safe zone or rather a medium category. This indicates that the soils in the study area lack sufficient Mn for successful agriculture, and this could be a limiting factor in the area's crop production. It is advised that, in order to maintain sustainable arable crop production on the soils tested, organic matter should be applied to improve the overall fertility of the soil and organo-mineral amendments should be developed to boost Mn availability in particular.

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