Teak (Tectona grandis), fruit trees and other perennials used by hill farmers of northern Laos

Röder, W.; Keoboualapha, Bounthanh; Manivanh, V.

doi:10.1007/bf00711281

Cited by 27 publications

(11 citation statements)

References 3 publications

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“…Findings discussing weed distribution, land use, use of perennial crops, and traditional rice varieties have been reported separately (Roder et al, , 1995aPhouaravanh et al, 1994). This paper summarizes results relating to soil properties and rice yield.…”

Section: Description Of Individual Studiesmentioning

confidence: 99%

Relationships between soil, fallow period, weeds and rice yield in slash-and-burn systems of Laos

Röder

Phengchanh²,

Keoboulapha³

1995

Plant Soil

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100

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Decline in soil fertility accelerated by shorter fallow periods was expected to be a major constraint in slash-andburn rice production systems in northern Laos. In this paper we describe relationships between fallow period, soil fertility parameters, weeds and rice yield. Soil infertility is not perceived a major yield constraint by the farmers. Of the various soil parameters observed only soil organic matter showed consistent association with rice yield (r =0.42, p<0.01). Fallow period and rice yield showed no association and the relationship between fallow and organic matter was very weak (r=-0.16, p<0.01). Rice yield was negatively related to densities of Ageratum conyzoides and Lygodium flexuosum. Soil loss during the cropping period ranged from 300-29.300 kg ha -l . For the same period organic matter, total N, available P and available K content in the top 0-3 cm decreased by 11,12,17, and 17%, respectively, and loss of total N for the soil depth of 0-25 cm was estimated at 400 kg ha-I. Soil physical properties, moisture stress and available N are the most likely detriments to rice yields. Further attempts to relate soil properties to rice yield should include repeated measurements during the cropping season and observations on soil physical properties.

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Section: Description Of Individual Studiesmentioning

confidence: 99%

Relationships between soil, fallow period, weeds and rice yield in slash-and-burn systems of Laos

Röder

Phengchanh²,

Keoboulapha³

1995

Plant Soil

Self Cite

100

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“…Farmers were asked to rank the constraint from 1 to 5 as the extent of prevalence of that constraint and rank average is the mean of ranks given to a single constraint. Accordingly, the lack of land is identified as being a major obstacle for farm forestry (Roder, Koeboualapha and Manivanh 1995). However, examples exist where increasing land scarcity caused farmers to replace agriculture with tree cultivation and to change the farm objective from food production to the generation of cash with which food could be bought (Saxena 1995).…”

Section: Resultsmentioning

confidence: 99%

Analysis of Performance of Farm Forestry and Its Role in Household Income in District Faisalabad, Pakistan

Ahmad¹,

Shahbaz²,

Shehzad³

et al. 2017

JGIASS

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Institute of Agricultural Extension and Rural Development, University of Agriculture Faisalabad, Pakistan. Forests are very significant in terms of the existence of living things on the earth. Forests cover a small area (5.3% of total land area) in Pakistan and they are under severe pressure of deforestation. They are also undergoing land-use change, grazing, browsing, erosion, and so forth that is all because of increasing human and cattle populations. Most of the forests are located in the northern part and this part is also under worst deforestation. The annual wood drain is 3 times greater than the replenishment which much more than expected. Farm forestry is being promoted all over the world as a part of sustainable agricultural system. In order to gain dual benefits, deliberate integrated cultivation of crops and trees is very important. By adopting the system of farm forestry, the shortfall of forest resources in Pakistan can be overcome especially in the provinces of Sindh and the Punjab. The present study has been carried out to determine the scope of farm forestry as a collateral source of socio-economic benefits to the farmers of Tehsil Faisalabad. Farmer's perceptions regarding farm forestry and its impact on their socio-economic conditions are the major factors under discussion in this study. Further, the study identified the constraints of agro-forestry and compiled the suggestions of farmers for its promotion. Out of the whole, five union councils were selected on the basis of simple random sampling technique and two villages were selected from each union council randomly. Then 12 farmers were selected from each village purposively as respondents amongst the farmers practicing farm forestry. Hence total number of respondents was 120. Pre-tested interview schedule was used for interview of the respondents. Statistical Package for Social Sciences (SPSS) was used to analyze the data. It was found that the share of farm trees in the annual income of the respondents was very low. Currently, the population of sheesham (Dalbergia sissoo) tree was highest while sumbal (Salmalia malabarica) and sufeda (Eucalyptus camaldulensis) was highly preferred for future plantation. Sufeda, sheesham, and bakain (Melia azedarach) were preferred due to their fast growth rate and fuel and timber qualities. The main limitation of farm forestry were water scarcity, lack of capital and lack of information. It was suggested that in order to promote farm forestry, irrigation water and information about plantation, pruning, and felling techniques should be provided.

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“…Furthermore, as lands are converted from wild to humanoriented use the loss of biodiversity is high, even in agricultural systems with higher biodiversity, e.g., agroforestry and organic farming (Steffan-Dewenter et al 2007). Traditional shifting cultivation, on the other hand, is often augmented by wild collection as well as haphazard polycultivation agroforestry and forest gardens, which have both economic and ecological benefits (Roder et al 1995). In Luang Prabang Province these practices are considered key assets for ecological and community resilience.…”

Section: Introductionmentioning

confidence: 99%

Conservation and Ethnobotanical Knowledge of a Hmong Community in Long Lan, Luang Prabang, Lao People's Democratic Republic

Whitney

Sin²,

Hong

et al. 2014

Ethnobot. Res. App.

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txoj cai Hmoob coj yog ib txoj cai zoo rau ntawm kev pov hwm hav zoov hav tsuag rau qhov hav zoov niaj hnub no raug luaj ntov nyob rau xeev Luang prabang, los Tsuas Teb. IntroductionLand use change from forests to agriculture and industry are the leading cause of deforestation in the tropics and sub-tropics, which contain more than half of the world's forests (FAO 2011). The causes for the high rates of deforestation in the Lao People's Democratic Republic (hereinafter "Laos") are varied and the subject of some debate. Logging has been officially banned since the early 1990s (except in National Production Forest under approved management plans, for reservoir clearance, or for a variety of "special quotas") but still plays a major role in deforestation, in conjunction with pressure from immigration (Thapa 1998). Pioneer shifting agriculture has also recently been banned, but this may lead to more permanent agriculture and greater losses of biodiversity (Fox 2000). Conservation and Ethnobotanical Knowledge of a Hmong Community in Long

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Teak (Tectona grandis), fruit trees and other perennials used by hill farmers of northern Laos

Cited by 27 publications

References 3 publications

Relationships between soil, fallow period, weeds and rice yield in slash-and-burn systems of Laos

Relationships between soil, fallow period, weeds and rice yield in slash-and-burn systems of Laos

Analysis of Performance of Farm Forestry and Its Role in Household Income in District Faisalabad, Pakistan

Conservation and Ethnobotanical Knowledge of a Hmong Community in Long Lan, Luang Prabang, Lao People's Democratic Republic

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