Cultivation of rice and tiger shrimp system in brackish water induced land
Author:
Sahabuddin Sahabuddin1, Agus Cahyadi, Nafisah Nafisah, Suryanto Suwoyo. H1, Agus Nawang1, Early Septiningsih1, Hendrajat Erfan.A1, Imam Taukhid1, Andi Sahrijannah1, Rosmiati Rosmiati1, Herlinah Herlinah1, Susianingsih Endang1
Affiliation:
1. National Research and Innovation Agency
Abstract
Abstract
Land that is displaced due to seawater intrusion is very much found in Indonesia, even in the world, usually rice fields adjacent to ponds. This study aims to try wasteland for the cultivation of rice and tiger shrimp with a brackish water system. The land used belongs to a farmer group that has not been used for the past ten years due to seawater intrusion, located in Oring Hamlet, Lawallu Village, Barru Regency, South Sulawesi Province, Indonesia. Owners leave their lands unproductive, often even diverted to anthropogenic activities. The abandoned land was reconstructed into rice fields for rice crops and trenches for tiger shrimp cultivation. The rice seeds used are saline tolerant, namely the INPARI-34 and INPARI-35 varieties obtained from the Sukamandi Indonesia Rice Seed Center, Ministry of Agriculture. Planted in the rice field after seeding for 25 days. Tiger shrimp post larvae have been adapted for 30 days at a salinity of 7 − 5 ppt (low salinity), with a dense spread of 4 individuals per m2 (traditional plus system). Integrated maintenance of rice and tiger shrimp, following the cultivation procedures, namely, rice weeding, eradication of rice pests and tiger shrimp, and additional fertilization. A sampling of rice and tiger shrimp growth and water quality selection is carried out every 14 days. The results showed that saline-tolerant rice varieties INPARI 34 and INPARI 35 can grow well in saltwater-induced fields with a rice maintenance period of 105 days. Tiger shrimp cultivation integrated with salt-tolerant rice varieties produces a survival value of 20%, and a body weight of 12 grams/individu for 65 days of cultivation.
Publisher
Research Square Platform LLC
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