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Research Article

Climate smart crop-livestock integrated farming as a sustainable agricultural strategy for humid tropical islands

, , , , , , , & show all
Article: 2298189 | Received 09 Apr 2022, Accepted 18 Dec 2023, Published online: 01 Jan 2024

Figures & data

Figure 1. Experimental layout and design of BBF. (a) Layout of raised bed and sunken furrow system; (b) Field layout and components of a crop-livestock integrated farming system.

Figure 1. Experimental layout and design of BBF. (a) Layout of raised bed and sunken furrow system; (b) Field layout and components of a crop-livestock integrated farming system.

Table 1. General crop/enterprise rotations followed in the crop-livestock IFS system.

Table 2. Climate smart practices followed in the study.

Table 3. Production and net return from different components of crop-livestock IFS over the years.

Figure 2. Relationship between system yield (REY) and diversity index which increased with the progression of integration of different IFS components.

Figure 2. Relationship between system yield (REY) and diversity index which increased with the progression of integration of different IFS components.

Figure 3. Sustainable yield index for individual components and crop-livestock IFS.

Figure 3. Sustainable yield index for individual components and crop-livestock IFS.

Figure 4. Resource flow between different components of crop-livestock IFS.

Figure 4. Resource flow between different components of crop-livestock IFS.

Figure 5. Glimpses of different components of climate smart IFS that provides food security evaluated for tropical island conditions. a. Vegetables in the raised beds, rice + fish in the furrows, fodder + agroforestry along boundries with dairy component; b. Land preparation and simultaneous sowing on the raisded bed even during monsoon season; c. Cultivation of improved rice varieties instead of photosensitive cultivar during wet season; d. Maize + pulse after rice harvest during dry season increased the cropping intensity.

Figure 5. Glimpses of different components of climate smart IFS that provides food security evaluated for tropical island conditions. a. Vegetables in the raised beds, rice + fish in the furrows, fodder + agroforestry along boundries with dairy component; b. Land preparation and simultaneous sowing on the raisded bed even during monsoon season; c. Cultivation of improved rice varieties instead of photosensitive cultivar during wet season; d. Maize + pulse after rice harvest during dry season increased the cropping intensity.

Table 4. On-farm production of various food items from the crop-livestock IFS over the years and household food security.

Figure 6. Effect of farm diversification on GHG emissions, C sink and net emissions.

Figure 6. Effect of farm diversification on GHG emissions, C sink and net emissions.

Figure 7. Temporal changes in emission intensity in the crop-livestock IFS.

Figure 7. Temporal changes in emission intensity in the crop-livestock IFS.

Figure 8. Observed variations in rainfall and the submergence of lowlands during the past 10 years.

Figure 8. Observed variations in rainfall and the submergence of lowlands during the past 10 years.

Table 5. Contribution of CSA practices to total farm production.

Supplemental material