Can fertilization be a driver of rubber plantation intensification?

Chotiphan, Rawiwan; Vaysse, Laurent; Lacote, Régis; Gohet, Eric; Thaler, Philippe; Sajjaphan, Kannika; Bottier, Céline; Char, Christine; Liengprayoon, Siriluck; Gay, Frédéric

doi:10.1016/j.indcrop.2019.111813

Cited by 10 publications

(5 citation statements)

References 37 publications

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“…The farmers in these groups reported that the reason they applied less fertilizer was that they had observed no significant increase in yield when they applied more. Such observations, however, may not be supported by recent research in Thailand, which found that the yield of fertilized rubber plots does not significantly increase until the third year of fertilization (Chotiphan et al, 2019), indicating that rubber has a delayed response to fertilizer. In India, fertilizer application has not been found to affect latex yield (Sherin & Phebe, 2011).…”

Section: Discussioncontrasting

confidence: 61%

Farmer fertilization practices of mature rubber plantations in Northeast Thailand during a period of low rubber prices

Kullawong

Aditto

Chambon

et al. 2020

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Since 2000, farmers in Northeast Thailand have planted more than 5,000 sq km of rubber on land previously devoted to agriculture. The expansion of rubber led to a significant increase in tree cover in Northeast Thailand. Rubber prices peaked in 2011 and since then farmers have had to adjust to lower prices. Little research has documented how farmers responded to low rubber prices. This paper seeks to describe how small-scale rubber farmers use fertilizer in a region that did not historically grow rubber during a period of low rubber prices. We collected data from structured interviews with 29 farmers in Subsomboon village in Khon Kaen province, Northeast Thailand. Most farmers reported that they reduced fertilizer costs by reducing the number of times they applied fertilizer, as well as changing to cheaper brands and/or using organic fertilizer. The majority of farmers still used large amounts of chemical fertilizers, either alone or in combination with commercial organic fertilizers with unknown nutrient contents. The N and P2O5 contents of the chemical fertilizer alone were consistent with national recommendations (82.0–137.6 kg N/ha/y and 33.3–97.7 kg P2O5/ha/y). Thai national recommendations for rubber, however, were developed for rubber plantations in traditional planting areas where rubber has been grown for over a century, and are considered by many experts to be high. The study’s findings indicated that small scale rubber farmers would benefit from recommendations for fertilizer applications that respond to variations in rubber prices, while taking into account the diversity of individual household characteristics and goals. To optimize recommendations that sustain the growth and yield of rubber, limit the effects of environmental externalities, and maintain rubber’s profitability, policymakers require detailed information on the diverse situations in which rubber is grown. This requires experimental research that tests a variety of fertilization practices under different biological and physical conditions.

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Section: Discussioncontrasting

confidence: 61%

Farmer fertilization practices of mature rubber plantations in Northeast Thailand during a period of low rubber prices

Kullawong

Aditto

Chambon

et al. 2020

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“…In this study, RSH content was not significantly associated with TPD although RSH content trends to drop in the second year after intensive harvesting system d1 ET 12/y. A literature survey reveals the absence of consistent effect of RSH content with regard to stimulation, fertilization ( Chotiphan et al., 2019 ) and a strong seasonal effect ( Rukkhun et al., 2020 ). Many studies reported that some physiological parameters can be associated with TPD such as proline or latex copper ( Yusof et al., 1995 ), proteins ( Kun et al., 2014 ), inorganic phosphorus, Mg 2+ , lutoid bursting index ( Guo et al., 2016 ).…”

Section: Discussionmentioning

confidence: 99%

Dynamic analysis of Tapping Panel Dryness in Hevea brasiliensis reveals new insights on this physiological syndrome affecting latex production

Herlinawati¹,

Montoro²,

Ismawanto³

et al. 2022

Heliyon

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“…Principal Component Analysis (PCA) of mean and residues data for yield, dry cut length (DCL), sucrose, inorganic phosphorus (Pi), and reduced thiols (RSH). (Chotiphan et al, 2019) and a strong seasonal effect (Rukkhun et al, 2020). Many studies reported that some physiological parameters can be associated with TPD such as proline or latex copper (Yusof et al, 1995), proteins (Kun et al, 2014), inorganic phosphorus, Mg 2þ , lutoid bursting index (Guo et al, 2016).…”

Section: Sucrose Content Is a Physiological Marker Associated With Cl...mentioning

confidence: 99%

Dynamic Analysis of Tapping Panel Dryness in <i>Hevea Brasiliensis</i> Reveals New Insights on this Physiological Syndrome Affecting Latex Production

et al. 2021

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Can fertilization be a driver of rubber plantation intensification?

Cited by 10 publications

References 37 publications

Farmer fertilization practices of mature rubber plantations in Northeast Thailand during a period of low rubber prices

Farmer fertilization practices of mature rubber plantations in Northeast Thailand during a period of low rubber prices

Dynamic analysis of Tapping Panel Dryness in Hevea brasiliensis reveals new insights on this physiological syndrome affecting latex production

Dynamic Analysis of Tapping Panel Dryness in <i>Hevea Brasiliensis</i> Reveals New Insights on this Physiological Syndrome Affecting Latex Production

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