Results 81 to 90 of about 5,933 (242)

A Non‐Destructive Method for Sex Identification in a Tubuliferan Thrips

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
Accurate sex identification of the biological control agent Pseudophilothrips ichini Hood (Thysanoptera: Phlaeothripidae) is a useful tool for colony management and experimental applications in biological control. Destructive methods of sex identification limit specimen usage, prompting the need for a sex identification method for live thrips.
Brianna Foster   +2 more
wiley   +1 more source

From shifting agriculture to sustainable rubber agroforestry systems (jungle rubber) in Indonesia: a history of innovations processes. [PDF]

open access: yes
The aim of this chapter is to describe changes in the Indonesian jungle rubber system from the angle of the production of innovation by farmers themselves (indigenous knowledge) and the process of integration of external technical innovations in an ...
Eric Penot
core  

Social Relations in Clove and Rubber Plantations

open access: yes
Plantations are a vital non-oil and gas sector that contributes to state revenues. However, the potential of plantations in Indonesia has not fully provided welfare for planters due to the complexity of social networks in management and harvesting.
Gunawan, Gunawan   +4 more
core   +1 more source

SOC Stock Changes and Greenhouse Gas Emissions Following Tropical Land Use Conversions to Plantation Crops on Mineral Soils, with a Special Focus on Oil Palm and Rubber Plantations

open access: yesAgriculture, 2018
The increasing global demand for vegetable oils has resulted in a significant increase in the area under oil palm in the tropics during the last couple of decades, and this is projected to increase further.
Sanjutha Shanmugam   +4 more
doaj   +1 more source

Between famine and freedom: Food prices during the Indonesian War of Independence, 1945–9

open access: yesThe Economic History Review, EarlyView.
Abstract This paper investigates how the Indonesian War of Independence (1945‒9) influenced staple food prices, and how fluctuations in those prices, in turn, shaped the trajectory and dynamics of the conflict. We compiled a dataset comprising more than 8600 prices for staple foods covering the entire Indonesian archipelago from 1939‒49, allowing us to
Ingrid de Zwarte   +2 more
wiley   +1 more source

Rubber smallholders' flexibility No windfall, no crisis [PDF]

open access: yes
A few decades ago rubber was one of the first tree crops to be characterized by a spectacular breakthrough, the production of new, highly productive clonal material.
F. Ruf, E. Penot
core  

Rubber Plantation Expansion Leads to Increase in Soil Erosion in the Middle Lancang-Mekong River Basin During the Period 2003–2022

open access: yesRemote Sensing
The booming nature rubber industry has contributed to the extensive expansion of rubber plantations in the Lancang-Mekong River Basin over recent decades.
Hongfeng Xu   +6 more
doaj   +1 more source

Soil carbon stocks decrease following conversion of secondary forests to rubber (Hevea brasiliensis) plantations.

open access: yesPLoS ONE, 2013
Forest-to-rubber plantation conversion is an important land-use change in the tropical region, for which the impacts on soil carbon stocks have hardly been studied.
Marleen de Blécourt   +4 more
doaj   +1 more source

Managing agency business groups, elite directors, and the rubber boom, 1897–1913

open access: yesThe Economic History Review, EarlyView.
Abstract We identify a new organizational form, the Managing Agency Business Group (MABG), demonstrating how agency houses used interlocking directorships to build groups on the basis of commercial and plantation expertise to access finance on London stock markets and local capital markets in the pre‐1914 rubber boom.
David Higgins, Steven Toms
wiley   +1 more source

THE RUBBER SHOWCASE IN SUMATRA [PDF]

open access: yes
As with cocoa a combination of available land and centres with fairly dense population is a prerequisite for a boom. But in the case of rubber the boom has been far more progressive than that for cocoa due to 3 main factors.
Eric Penot
core  

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