Effect of Chimato Composts Made Using Optimal Blending Composition of T. diversifolia on Fertilizer Requirements and Maize Yield

Angstone Mlangeni, Sosten Chiotha, Elijah Kamundi and Shaibu Kananji

Journal of Agricultural Science, 2014, vol. 6, issue 12, 185

Abstract: A field experiment was conducted to determine amount of inorganic fertilizer saved by using chimato composts TD60 produced by blending 60% of Tithonia diversifolia with 40% maize stalks in maize production. In this experiment, 0 g, 100 g, 200 g and 400 g of TD60 were supplied per maize planting station in combination with 0%, 33%, 67% and 100% of recommended rates of NPK (23-21-0+4S) inorganic fertilizer. Maize growth parameters and yield were measured. Results showed that maize cob length, cob circumference, leaf length and maize grain mass in treatment supplemented with 200 g of TD60 combined with 33% of NPK were significantly different from those supplemented with lower quantities of chimato composts and were not significantly different from those supplemented with TD400 combined with 23-21-0+4S quantities of equal to or greater than 33% of the recommended rates. However, maize cob length and cob circumference were not significantly different in maize plants supplemented with 400 g and 200 g of TD60. Yield of maize were maximal in planting stations supplemented with 200 g and 400 g of TD60 combined with 67% and 33% of recommended rates of NPK respectively. It is concluded that application of 200 g and 400 g of TD60 combined with 67% and 33% of recommended rate of NPK respectively are likely to produce optimal growth parameters as well as optimal maize yield if recommended to smallholder farmers.

Date: 2014
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