| Author | Ng, Chuen How |
| Call Number | AIT Thesis no. AE-91-45 |
| Subject(s) | Vegetable gardening
|
| Note | A thesis submitted in partial fulfillment of
requirements for the degree of Master of Science. |
| Publisher | Asian Institute of Technology |
| Abstract | This study consists of two parts: (1) On- farm vegetable
production system. This is to study the feasibility of vegetable
production for the consumption of the farm family in the dry
season (November to April) by using the water collected in the
catchment pond during the rainy season. (2) Research study. Two
experiments (20 December, 1990 to 31 January, 1991 and 22 February
to 5 April 1991) were conducted to find out a more appropriate
watering rate (by Pan Evaporation Method) and watering interval to
produce maximum vegetable yield under the prevailing
environment of the farm.
The research studies showed that water using efficiency was
higher on lower watering rates and shorter watering interval. The
crop water requirement was different in each periods of study and
the later period of the dry season showed a much higher crop
water requirement than the early dry season. There was no
significant difference among the treatments on plant canopy size
and leaf number of both experiments. This suggested that the
plants which received a lower watering rate and longer watering
interval were growing as normal a s that of plants received higher
watering rate and shorter watering interval.
For the on-farm vegetable production study, the rate of
water drop (10.4 mm/day) of the catchment pond was higher than the
allowed rate of water drop (8.6 mm/day), indicated that the water
collected in the catchment pond was not enough for growing of
vegetable throughout the dry season under the present watering
rate (kc 0.9) and garden size. While the production of vegetable
surplus the required quantity of vegetable by the farm family.
Labour supply was also found to surplus the demand on vegetable
production.
Water availability was the concluded the prime factor to
constrain the production of vegetable in the dry season for the
farm. Therefore, several revision were made to reduce the
irrigation water rate, principally by: (a) Reduction of the
farm garden size, and (b) modification of crop coefficient values
from 0.9 to 0.5. |
| Year | 1991 |
| Type | Thesis |
| School | School of Environment, Resources, and Development (SERD) |
| Department | Department of Food, Agriculture and Natural Resources (Former title: Department of Food Agriculture, and BioResources (DFAB)) |
| Academic Program/FoS | Agricultural and Food Engineering (AE) |
| Chairperson(s) | Gartner, J.A.; |
| Examination Committee(s) | Upasena, S.H.;Murty, V.V.N.;Sumitra Poovarodom; |
| Scholarship Donor(s) | The Deutscher Akademischer
Austauschdienst(DAAD);
The Federal Republic of Germany; |
| Degree | Thesis (M.Sc.) - Asian Institute of Technology, 1991 |