| Summary: | Sustainable farming systems can be implemented through the crops
livestock system (CLS). Implementation of this system will be achieved
diversification of food products, farming efficiency, increase farmers' incomes, and
food security. The objectives of the research were as follows: (a) to analyze the
level of implementation of a sustainable agriculture in swamp area and the factors
that influence it, (b) to analyze the degree of household food security in the swamp
area and the factors that influence it, (c) to analyze optimization of farming in
various both land typologies and overflow types respect to sustainable agriculture
and food security based on crops livestock system (CLS), (d) to analyze the
sensitivity of changes in input prices, output prices, food prices, and the use of
resources, (e) to simulate changes in input prices, output prices, and food prices, to
optimal models, (f) to simulate technology improvements and increased livestock
scale to optimal models. The data required in this study is primary data and
secondary data. Primary data were collected from the sample of farmers, while
secondary data were collected from related institutions. The samples were selected
using stratified random sampling. The data were analyzed using ordinary least
squares, ordinal logit, and linear programming. The results of the research showed
that (a) the level of implementation of sustainable agriculture in swamp area in
West Kalimantan classified as sustainable enough. The factors that influence the
level of sustainable agriculture were organic fertilizer, herbicides, household
income, education, and ethnic (Javanese, Madurese). (b) Based on the indicators of
food availability, food stability, food accessibility, food availability and continuity
can be seen that there are 14% of households classified as food insecure, 37.35% of
households classified as relatively less food, and 48.65% of households classified
as food secure. The factors that influence to food security were land, seed prices,
and the price of Urea. (c) Household income can be improved through optimization
of farming. (d) The increase in input prices, output prices, and food prices were up
to 30% in Kubu Raya Regency does not change the optimal solution, while the
declines of output price more than 20% will change the optimal solution and
household income into deficit. (g) The increase in input prices, output prices, and
food prices were up to 30% in Pontianak Regency does not change the optimal
solution, the declines of output price more than 10% will change the optimal
solution and household income into deficit. (h) The use of recommendation
technology and increased livestock scales up to 2 tail/household will achieve a state
of sustainable agriculture and household food security.
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