The effects of selected levels of mechanization on small-scale rice production systems: a case study of central Luzon in the Philippines
| dc.contributor.author | Kigalu, Julius Malimi | |
| dc.date.accessioned | 2026-02-06T10:21:09Z | |
| dc.date.available | 2026-02-06T10:21:09Z | |
| dc.date.issued | 1983 | |
| dc.description | Dissertation | |
| dc.description.abstract | This study was tailored to assess the impact of selected levels of mechanization on crop yields, cropping intensity, labor use and energy utilization in rice production in Central Luzon, Philippines. Labor use was partitioned into labor for land preparation, preharvegt tasks and total post production operations. weeding, other Farm households representing three levels of mechanization, namely fully mechanized (using two wheel (using four-wheel tractors), partially mechanized tractors or power human and animal power), were tillers), and unmechanized (using selected at random from eight villages. Three cropping parentheses): seasons (with number 1979/80 wet season (318), wet season of households planting rice in 1980 dry season (211), and 1980 (302) were investigated. The study uses data obtained from the Consequences of the Small Rice Farm Mechanization (CSRFM) project conducted by the International Rice Research Institute (IRRI). Four of the eight villages contained rainfed farms while the remaining four were irrigated. Patterns documented between using farm mechanization and other three approaches: analysis of variables variance were (ANOVA), analysis of covariance models. ANOVA was (ANACOVA) and production function analysis used to compare variances among different mechanized farms while the ANACOVA models were employed to study variations within different mechanized farms. The production function model investigates the combined effects of was used to several explanatory variables on farm productivity: level of fertilizer used, total labor used, others cash expenses, farm size, and dummy variables mechanization and irrigation. The results revealed a statistical representing level of association of high levels of farm mechanization with high yields intensity, low labor used. per hectare, high cropping high level of fertilizer used. high hired labor expenses and high cash expenses. Irrigation, however, more significant effect on showed a cropping intensity than mechanization. The effect of level of mechanization on energy utilization in rice production was also investigated. mechanized farms had higher output mechanized farms during the Results showed that to input 1979/80 wet and energy ratios 1980 dry partially than fully seasons. reverse was observed during the 1980 wet season. The Fully mechanized farms produced both high rice yields (output) and energy output equivalent of paddy and rice to chemicals and labor hours. Irrigation. The study also accounted for high revealed that energy seed, input in rice production. It was thus concluded that farm mechanization is profitable despite the present high prices of commercial fuel energy. | |
| dc.description.sponsorship | Tanzania Agricultural Research Organization (TARO) | |
| dc.identifier.uri | https://www.suaire.sua.ac.tz/handle/20.500.14820/7300 | |
| dc.language.iso | en | |
| dc.publisher | Sokoine University of Agriculture | |
| dc.subject | Small-scale rice production | |
| dc.subject | Central Luzon | |
| dc.subject | Philippines | |
| dc.title | The effects of selected levels of mechanization on small-scale rice production systems: a case study of central Luzon in the Philippines | |
| dc.type | Thesis |