Developing a machine for fertilizing vegetable crops with compost

Document Type : Original Article

Authors

1 Department of Agricultural Structures and Environmental Control Engineering, Faculty of Agricultural Engineering, Al-Azhar University, Cairo, Egypt.

2 Department of Agricultural Machinery and power Engineering, Faculty of Agricultural Engineering, Al-Azhar University, Cairo, Egypt.

3 Graduate student, Department of Agricultural Structures and Environmental Control Engineering, Faculty of Agricultural Engineering, AlAzhar University, Cairo, Egypt.

Abstract

The objective of the present work was to develop and evaluate compost fertilizing machine for vegetable to make under Egyptian condition. The compost fertilizing machine was evaluated versus four forward speed (2.8, 3.2, 3.6 and 4.0 Km/h), three feeding area (50, 100 and 150 cm2), three fertilizing depth (15, 20 and 25 cm) and two bully diameters with land wheel (15 and 25 cm). The results showed that the highest productivity was 31.11 m3/fed and 82.84 % fertilizing homogeneous fertilizing obtained at 2.8 km/h forward speed ,150 cm2 feeding area, 25 cm fertilizing depth and bully diameter with land wheel 15 cm. The best result field efficiency was 85.12% and minimum specific energy 31,41 kw.h/fed at obtained forward speed 4 km/h, 150 cm2 feeding area, 15 cm fertilizing depth and bully diameter with land wheel 15 cm. The maximum operation cost was 128.27 LE/fed and 5.76 LE/ m3.

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