E3S Web Conf.
Volume 306, 2021The First International Conference on Assessment and Development of Agricultural Innovation (1st ICADAI 2021)
|Number of page(s)||8|
|Section||Agricultural Environmental and Engineering|
|Published online||24 September 2021|
Assessment of water management technology on rice productivity on iron poisoning rice fields in Jambi
1 Asessment Institute for Agricultural Technology of Jambi Province
2 Center for Research and Development of Agricultural Land Resources Bogor
* Corresponding author: email@example.com
The study of “Water Management Technology Against Rice Productivity in New wetland Openings of Iron Poisoning Rice” was carried out in Betara District, West Tanjung Jabung Regency from April to October 2018. The research used a randomized block design (RBD) with four replications. The treatment consisted of four intervals of providing irrigation water, namely; (CI) Continuous irrigation, (DWI1) Dry wet irrigation (DWI) 5 day intervals from 1 week to 7 weeks after planting (WAP), (DWI2) DWI with 7 days interval from 1 week to 7 WAP, and (DWI3) DWI 7 days interval from 1 WAP to 65 days after planting (DAP) and inundation 15 days before harvest (DBH). Fertilizer recommendations based on soil nutrient status as a result of analysis with the Swamp Soil Test Kit (SSTK), namely 1.0 tonnes / ha lime, 75 kg ha-1 Urea (basic fertilizer) then based on LCC, 150 kg ha-1 SP 36 (given entirely at planting time) and 125 kg ha-1 KCl (1/3 part at planting, 1/3 part at 3-4 WAP and 1/3 part at plant age 6-7 WAP. Result showed the water supply interval significantly affects the growth and production of rice, the highest yield is obtained with a 7 day water supply interval from 1 to 7 WAP, with rice production 4,29 tonnes ha-1, whereas with the provision of water from 1 WAP until just before harvest, the rice production was 2.06 tonnes ha-1.
© The Authors, published by EDP Sciences, 2021
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