Abstract

The research aimed to study effect the application of river sand (RS), coconut coir (CC), and banana coir (BC) on growth and yield of rice (Oryza sativa L.) in Ustic Endoaquert. The research was carried out in a green house using 3 × 3 × 3 factorial design. The RS factor consists of three treatment levels which were 0% RS, 25% RS, and 50% RS. Meanwhile, the CC and BC consist of three treatment levels, where each level were 0 Mg ha-1, 10 Mg ha-1 and 20 Mg ha-1. The results showed that RS, CC and BC applications did not have significant effect on plant height. On the other hand, all ameliorant applications had significantly increase leaf length and the highest percentage increasing was in BC (13.49%). The leaf numbers and tiller numbers had relatively similar pattern, except BC that had significantly increased leaf numbers by 77.69% and amount of tiller numbers by 49.45%. Furthermore, for yield components, RS, CC and BC applications had significant increased panicle numbers by 37.76%. It was only RS and BC that increased panicle lenght and the best increasing of 26.82% on RS. Meanwhile, the BC application only increased the rice grain numbers.[How to Cite: Nurdin and F Zakaria. 2013. Growth and Yield of Rice Plant by the Applications of River Sand, Coconut and Banana Coir in Ustic Endoaquert. J Trop Soils, 18 (1): 25-32. doi: 10.5400/jts.2013.18.1.25][Permalink/DOI:www.dx.doi.org/10.5400/jts.2013.18.1.25]

Highlights

  • MATERIALS AND METHODSThe availability of water during cropping season is crucial for crop establishment and satisfied production in all agro-ecosystems, especially in dryland agriculture

  • The United Nations Convention to Combat Desertification (UNCCD) classifies dryland based on the ratio of annual precipitation to potential evapotranspiration (P/PET), when the ratio is between 0.05 and 0.65, it is considered as dryland (UNCCD 2000)

  • A negative correlation was found between sorptivity and bulk density, while a positive correlation was found between sorptivity and water stable aggregates

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Summary

Introduction

MATERIALS AND METHODSThe availability of water during cropping season is crucial for crop establishment and satisfied production in all agro-ecosystems, especially in dryland agriculture. It implies that farming in dryland agroecosystems depends largely on the amount of water captured and stored in the soil profile until the precipitation for successful crop production. It is reported that there are around 107.4 million ha of dryland in Indonesia that spread over lowlands to highlands and 41 million ha of them are occupied by Inceptisols (Mulyani et al 2003; Balitbangtan 2015). With such a large area and very diverse agro-ecosystem, dryland provides broad opportunities for the development of various food crops, horticulture, plantation, and livestock. Poor water management may cause high proportion of rainfall to become surface runoff that increases the risk of soil erosion and only a small portion of rainfall to be infiltrated into soil profile

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