Figures and Tables for Effect of Cultivar Preparation on Yield
Description
The data provides figures and tables showing the Effect of Cassava Cultivar (Stakes) Preparation on the Yield, in the semi-arid region of Kibwezi East Sub-County, Makueni, Kenya. Results show that the method of the cultivar preparation and planting has an effect on the cassava yield.
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The research used a randomized block design. A site in the semi-arid region of Kibwezi East Sub-County was located at Lukenya University. The site had a gentle slope and was well drained. Stones were removed from the site. It was ploughed twice using a disc harrow plough to achieve a fine till. The cultivated land was divided in blocks and raised into mounds to form ridges using a hoe. The ridged land was left for three days to break the cycle of any weeds, pests or diseases that may cause harm to the plants. The land was then ready for planting cassava sets. Cassava stems that had grown to a height of 7 meters (that were at least 10 months old and 2.50 cm thick) were picked from four varieties of cassava: Kasukari, mzungu, kitwa and a makueni local variety. Cuttings (stakes), 30 cm long were obtained from the selected stems. Stakes were taken in the middle section of the stems (the section between 75cm and 150 cm from the bottom of the cassava stem). The first 15 cm from the base of the cassava stem was cut off. The stakes were kept in a cool dry place under a shade for 48 hours. This was with an aim of acclimatizing the newly cut stems into the prevailing climatic conditions. The acclimatizing conditions are supported by findings that acclimatizing of cassava stems should be done in an open space (Tumwegamire, et al., 2018). Acclimatizing was followed by planting the cassava stakes in blocks after 48 hours. The experimental blocks were each made up of 8 stakes per cassava variety. Studies show that the best planting depth for the cassava stems is 5cm if the horizontal position is used (Abass, Towo, Mukuka, & Okechukwu, 2014). The studies also stipulate that when planting the stems vertically, one should ensure that the buds point upwards, and are buried with soil, covering up to two-thirds of the entire stem. This implies that one-third of each stem should be left unburied. These specifications were used in this research for the respective planting positions.