Afandi, . (2017) Water Management along the Year A case Study in Pineapple Plantation under humid tropical climate of Indonesia. In: Proceeding of The 5th International Workshop on Recent Progress in Agriculture and Water Management in Asia. UGSAS Gifu University, Hanoi, Vietnam, pp. 35-40. ISBN 978-4-909365-01-9

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Abstract

SUMMARY Pineapple is a very unique crop. It is very sensitive to waterlogging, and could survive in dry condition, however, under water stress, the yield could reduce significantly. The humid tropical climate of Lampung, Indonesia, had total rainfall 2600 mm /year, where dry season usually occurred from June to October, sometimes very severe with zero rainfall in August and September. However, in rainy season, more than of 2000 mm rainfall will be poured during November until April, so waterlogging become severe problem, especially in flat area, and soil erosion in sloping area. Due to the facts that pineapple crop need long periods from planting to harvesting (around 18 months), the pineapple will face dry season and rainy season. In consequence, in pineapple culture , irrigation and drainage would be done during its cycle life. Irrigation were generally done in all pineapple stage, with the amount 20-30 mm/ha every 10 days using big gun sprinkler irrigator, and applied at the moisture content in soil readily available water (RAW) or 50% of soil field capacity. The source of irrigation water is deep well and natural pond, so preventing local pond from soil sedimentation due to soil erosion in rainy season become very important. Drainage system was designed based on local problems in each field (5-10 ha) and also in catchment scale (200-500 ha). In severe waterlogging area, natural pond and its tributaries must be deepen to reduce water table in catchment area scale, while local drainage channel with 0.5-1 m deep between pineapple field, will be dug along the field area. The natural pond which was used to improve drainage in rainy season, became source of irrigation water during the dry season. Key words: pineapple, waterlogging, irrigation, humid tropical climate

Item Type:	Book Section
Subjects:	S Agriculture > S Agriculture (General) T Technology > TC Hydraulic engineering. Ocean engineering
Divisions:	Fakultas Pertanian (FP) > Prodi Ilmu Tanah
Depositing User:	AFANDI
Date Deposited:	25 Jun 2018 03:43
Last Modified:	25 Jun 2018 03:43
URI:	http://repository.lppm.unila.ac.id/id/eprint/7673

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