E3S Web Conf.
Volume 361, 20223rd International Conference on Agribusiness and Rural Development (IConARD 2022)
|Number of page(s)||6|
|Section||Agricultural Technology and Smart Farming|
|Published online||29 November 2022|
Response of sorghum variety growth in the first ratoon with liquid organic fertilizer application
1 Department of Agronomy, Graduate School, Universitas Sebelas Maret (UNS), Jl. Ir. Sutami 36A, Kentingan, Surakarta, 57126, Central Java, Indonesia
2 Department of Agrotechnology, Faculty of Agriculture, Universitas Sebelas Maret (UNS), Jl. Ir. Sutami 36A, Kentingan, Surakarta, 57126, Central Java, Indonesia
* Corresponding author: email@example.com
The advantages of ratoon system are short harvesting time, minimum irrigation needed, and lower farming cost compared with the first plant of seed. Liquid organic fertilizer (LOF) application is selected to increase nutrition absorption and as an attempt of supporting sustainable agriculture program. The objective of research is to study the effect of first-ratoon sorghum variety and LOF dose on sorghum growth. This research used completely randomized block design factorial. The first factor is sorghum variety consisting of Numbu, Kawali, and Suri 3. The second treatment of LOF dose consisted of 0 L.ha-1, 3 L.ha-1, 6 L.ha-1, and 9 L.ha-1. Data analysis was conducted variance analysis of 5% followed with least significant different test 5% and polynomial regression test. The result of research shows that Numbu with the optimum dose of LOF 3,8 L.ha-1 produced the highest leaf area and LAI of 2570 cm2 and 2,56 compared to other varieties. Suri 3 and Numbu yield higher fresh stove weight than Kawali. This means that Numbu and Suri 3 can be used as a source of animal feed.
© The Authors, published by EDP Sciences, 2022
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