{"id":15863,"date":"2023-03-27T04:49:33","date_gmt":"2023-03-27T04:49:33","guid":{"rendered":"https:\/\/file.currentschoolnews.com\/?post_type=product&p=15863"},"modified":"2023-03-27T08:34:17","modified_gmt":"2023-03-27T08:34:17","slug":"mineralization-of-neem-seed-cake-and-effect-on-growth-and-nutrition-of-sorghum-in-a-northern-guinea-savanna-alfisol","status":"publish","type":"product","link":"https:\/\/pastexamquestions.com\/product\/mineralization-of-neem-seed-cake-and-effect-on-growth-and-nutrition-of-sorghum-in-a-northern-guinea-savanna-alfisol\/","title":{"rendered":"Mineralization of Neem Seed Cake and Effect on Growth and Nutrition of Sorghum in a Northern Guinea Savanna Alfisol"},"content":{"rendered":"

Download Mineralization of Neem Seed Cake and Effect on Growth and Nutrition of Sorghum in a Northern Guinea Savanna Alfisol<\/strong><\/span>. Soil Science students who are writing their projects can get this material to aid their research work.<\/span><\/span><\/p>\n

Abstract<\/b><\/span><\/h2>\n

Four neem seed cake levels 0, 1, 2 and 4 ton (t) ha-1 along with varying rates of inorganic fertilizer recommendation (0, \u00bc, \u00bd and full) for sorghum were evaluated in the laboratory, greenhouse and in the field for their mineralization and\/or decomposition potentials, impact on soil fertility, productivity and nutrition of sorghum.<\/p>\n

Results showed that NSC contained 265.35 g kg-1 OC, 45.95 g kg-1 N, 2.75 g kg-1 P, and 12.35 g kg-1 K mean
\nconcentration in both years indicating its potential in improving soil fertility and plant growth.<\/p>\n

Treatments did not significantly (P \u2264 0.05) increase sorghum growth and dry matter yield (DMY) in the greenhouse.<\/p>\n

The quarter recommended rate (RR) recorded a higher increase in DMY and plant height while combinations of 2 t ha-1 NSC + \u00bc RR and 4 t ha-1 + FRR gave non-significant increase in stem girth and number of leaves respectively.<\/p>\n

Treatments showed significant (P \u2264 0.05) difference in only P concentrations in sorghum tissue. The 4 t ha-1 of NSC
\nsignificantly increased P and K concentrations while combined application of 4t ha-1 + FRR recorded the highest N concentration.<\/p>\n

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Introduction<\/span><\/span><\/strong><\/span><\/h2>\n

Alfisols and ultisols comprise the dominant soils in the Northern Guinea Savanna and are estimated to cover about 60% of the region (Ojanuga, 1979; Enwezor et al., 1990; Odunze et al., 1996).<\/p>\n

These soils have a dominance of low activity clays in the surface horizon (Frye et al., 1982; Esu and Ojanuga, 1985) with accompanying low exchange capacity. The soils are fragile and easily degraded under continuous cultivation (Lal, 1975; Jones, 1976; FAO, 1978).<\/p>\n

Consequently, crop production is not profitable without addition of external inputs. Good management of agricultural production systems as a soil resource is a response to challenges posed by world food crisis.<\/p>\n

Dwindling soil fertility has resulted from activities such as annual crop harvests that mine the soil of nutrients, leaching of soil nutrients, loss of biodiversity and retarded biological activities that stagnate nutrient recycling thereby hampering sustainable agriculture in Nigeria.<\/p>\n

Soil fertility management and improvement strategies using inorganic fertilizers are not only expensive but tend to hasten the degradation of the soil ecosystem with all its attendant effects.<\/p>\n

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