Abstract
Peat swamp forest have a high economic value and are potential for agricultural development. However, peatlad are fragile ecosystems because they are easily damaged and difficult to restore. The main problem of all peat soil types is their irreversible drying. In this condition the peat soil is easy burning, unable to store water, and if the groundwater is far from the surface, the plants will be stressed from lack of water. Therefore to support sustainable agricultural development on peatlands it requires careful planning, application of appropriate technology and suitable management. One of the land management systems that can be applied on peatlands is combining agricultural crop and forest plant (agroforestry). Forest plant and seasonal agriculture crops can increase CO2 absorption so that photosynthetic efficiency and oxygen production increase. These proses increase the production of biomass which can maintain soil organic matter and prevent erosion. Organic matter enhance the effectiveness of rewetting and water retention capacity. In addition, this system also affects the microclimate, such as the soil becoming more humid because it gets shade from the vegetation above it, so reduce temperature and elevated air moisture. Indirectly, agroforestry can reduce excessive evaporation and maintains the ground water level, especially during the dry season. This review aim to explain the role of intercropping system in peatland water conservation.
Highlights
Peatlands are wetlands that are formed from piles of organic matter which are plant debris, whether decayed or not
Peat soil has the ability to absorb and store water is much higher than land mineral. the ability of peat soils to absorb water is related to the degree of decomposition
This review aim to explain the role of intercropping system in peatland water conservation
Summary
Peatlands are wetlands that are formed from piles of organic matter which are plant debris, whether decayed or not. This accumulation occurs continuously, and because the decomposition process is inhibited due to anaerobic conditions and / or unfavorable environmental conditions so that the development of decomposing microbes is inhibited. Peat material that has undergone irreversible drying has a surface like sand (pseudosand) and becomes poor/does not function as soil due to inherent changes in its organic matter. A planting system that combines trees with food crops is called agroforestry In this system, tree plants will absorb carbon from the atmosphere and convert it into biomass which is a source of organic matter. This review aim to explain the role of intercropping system in peatland water conservation
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