Academic literature on the topic 'Hedgerow intercropping'

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Journal articles on the topic "Hedgerow intercropping"

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Bannister, Michael E., and P. K. R. Nair. "Alley cropping as a sustainable agricultural technology for the hillsides of Haiti: Experience of an agroforestry outreach project." American Journal of Alternative Agriculture 5, no. 2 (June 1990): 51–59. http://dx.doi.org/10.1017/s0889189300003283.

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AbstractAlley cropping is a form of hedgerow intercropping where fast-growing leguminous trees are planted at dense within-row spacing, with agricultural crops planted between the hedgerows. This agroforestry technology, with the hedgerows planted on the contour across the slope, appears promising for small farmers on the hittslopes of Haiti An agroforestry outreach project operating in Haiti since 1981 has helped thousands of farmers plant hedgerows on their farms. The farmers are increasingly accepting the technology: the length of hedgerows planted by the farmers in the project area increased from 11 lineal km in 1987 to 140 lineal km in 1988. An evaluation of 50 farms where hedgerows had been installed shows that this technology results in soil conservation and microsite enrichment between hedgerows; the hedgerows also provide fodder and fuelwood. However, refinements are needed in technical aspects of hedgerow management, such as planting configurations, pruning regime, and choice of species. Moreover, soil and plant parameters as well as socioeconomic characteristics must be monitored in a systematic way in order to assess the impact of hedgerow intercropping on the sustainability of Haitian farming systems.
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Lei, Ping, Chengsheng Ni, Fangxin Chen, Sheng Wang, Shouqin Zhong, Shaojun Tan, Jiupai Ni, and Deti Xie. "Effects of Crop–Hedgerow Intercropping on the Soil Physicochemical Properties and Crop Yield on Sloping Cultivated Lands in a Purple Soil of Southwestern China." Forests 12, no. 8 (July 21, 2021): 962. http://dx.doi.org/10.3390/f12080962.

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Crop–hedgerow intercropping systems are important agroforestry systems for preventing soil degradation and soil nutrient losses on sloping cultivated land in the Three Gorges Reservoir (TGR) area of China. However, the mechanism by which hedgerow spatial layouts and the planting patterns affect soil nutrients and crop yields is still uncertain. A two-year field experiment was performed on a 10° slope to investigate the effects of slope position and different crop–hedgerow intercropping systems on soil physicochemical properties and crop yields. The treatments were a two-belt mulberry contour hedgerow (TM), a two-belt compound mulberry–vetiver hedgerow (TCMV), a two-belt compound mulberry–alfalfa hedgerow (TCMA), a seven-year-old two-belt mulberry contour hedgerow (7YTM), a seven-year-old mulberry border hedgerow (7YBM), a seven-year-old pure mulberry (7YPM), and a control treatment (CT, no hedgerows). In all treatments, except 7YPM, there was a significant (p < 0.05) increase in crop yield, clay content, soil total nitrogen (STN), acid-hydrolyzable nitrogen (AHN), and soil organic carbon (SOC) with declining slope position, whereas soil bulk density (BD), sand content, and soil pH showed the opposite trend. In TM, TCMV, TCMA, and 7YTM, the mustard yields and soil properties were better than those in CT, and there was no significant (p > 0.05) difference in mustard yield or soil properties between the upper-middle and lower-middle slope positions. Compared with CT, TCMV, and TCMA increased mustard yields by 8.28% and 9.86%, respectively, while 7YTM, 7YBM, and 7YPM reduced mustard yields by 7.69%, 17.69%, and 29.73%, respectively. TCMV and TCMA were confirmed to be viable intercropping systems for significantly reducing nutrient losses, improving soil quality, and changing soil nutrient distributions to maintain optimum crop yields on sloping lands.
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Ssekabembe, Charles K. "Perspectives on hedgerow intercropping." Agroforestry Systems 3, no. 4 (1985): 339–56. http://dx.doi.org/10.1007/bf00055716.

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SHEPHERD, K. D., J. K. NDUFA, E. OHLSSON, H. SJÖGREN, and R. SWINKELS. "ADOPTION POTENTIAL OF HEDGEROW INTERCROPPING IN MAIZE-BASED CROPPING SYSTEMS IN THE HIGHLANDS OF WESTERN KENYA. 1. BACKGROUND AND AGRONOMIC EVALUATION." Experimental Agriculture 33, no. 2 (April 1997): 197–209. http://dx.doi.org/10.1017/s0014479797000082.

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The biophysical performance of hedgerow intercropping for soil fertility inprovement was assessed in a farmer-participatory trial in western Kenya over three years. Farmers successfully established dense hedgerows (median 6680 trees ha−1 on plots of 790 m2, but annual yields of hedgerow prunings of Leucaena leucocephala and Calliandra calothyrsus (1–4 t ha−1), were low compared to potentials in the region (4–8 t ha−1). The hedgerows reduced slopes from 7.2 to 4.5% within alleys (p < 0.01) but had no effect on grain yield over five seasons. Little of the variation in grain yield between hedgerow plots and control plots without hedgerows (adjusted r2 = 11%) and among control plots (adjusted r2 = 29%) could be accounted for by linear regression with measured agronomic and socio-economic variables. Fully researcher-managed trials are recommended for agronomic evaluation of complex agroforestry technologies.
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DE COSTA, W. A. J. M., and P. SURENTHRAN. "Resource competition in contour hedgerow intercropping systems involving different shrub species with mature and young tea on sloping highlands in Sri Lanka." Journal of Agricultural Science 143, no. 5 (September 30, 2005): 395–405. http://dx.doi.org/10.1017/s0021859605005563.

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Tea (Camellia sinensis) in Sri Lanka is grown predominantly on sloping highlands. Incorporating trees as hedgerows along contours is aimed at reducing erosion and improving soil fertility through addition of prunings as mulch. However, there could be significant competition for essential growth resources between the hedgerows and tea. The primary objective of this study was to determine the influence of six hedgerow species (Calliandra calothyrsus, Senna [Cassia] spectabilis, Eupatorium inulifolium, Flemingia congesta, Gliricidia sepium and Tithonia diversifolia) on mature (6-year-old) and young (6-month-old) tea. This study had three on-farm, long-term (from Nov 1998 to Dec 2002) field experiments. Experiment 1 had 12 treatment combinations with the six shrub species and two mulching treatments (i.e. hedgerow prunings added to the tea plot as a mulch, and unmulched) on mature tea plus a sole tea crop as control. The same was repeated on young tea in Experiment 2 to determine whether resource competition on young tea was greater than that on mature tea. Experiment 3 examined the effects of removing tree root competition on tea by cutting a 1-m deep trench between hedgerows and tea.In all experiments, total tea yields of hedgerow intercrops, cumulated over the 50-month experimental period, were significantly lower (by 3–50%) than sole tea crops, thus indicating significant resource competition except in the case of mulched hedgerow systems involving Eupatorium and mature tea (18% yield increase). Removal of below-ground competition significantly increased tea yields by 11–19%. Addition of hedgerow prunings as a mulch significantly increased yields of both mature and young tea by 13–21%. Tea yields of hedgerow systems with Calliandra, Flemingia and Eupatorium showed greater yield reductions in young tea than in mature tea, but the opposite was shown with other hedgerow species. There was a significant negative linear relationship between tea yield and pruned biomass of hedgerows. Tea yields of all experiments showed significant negative correlations with several hedgerow characters, which are indicators of their competitive ability. These included hedgerow root density, canopy lateral spread, height and cross-section. In a majority of hedgerow systems, the available phosphorus content of topsoil (0–20 cm depth) was up to 51% lower compared to sole crops. It is concluded that incorporation of contour hedgerows in to an existing tea crop could result in significant resource competition with tea and thereby cause tea yield to decrease. However, there is scope for selection of hedgerow species that minimize competition through spatial and temporal complementarity with tea in resource capture.
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Lemage, B., M. Tsegaye, and Y. Anmaw. "Evaluation and demonstration of leguminous shrubs hedgerows intercropping with maize crop." International Journal of Agricultural Research, Innovation and Technology 11, no. 1 (July 2, 2021): 60–68. http://dx.doi.org/10.3329/ijarit.v11i1.54467.

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Smallholder farmers influenced from the challenges of production constraints to afford farm family with surplus food. To improve this problem the present study was designed to evaluate legume shrubs hedgerow intercropping with maize. In the present study, the growth performance of Sesbania sesban and Cajanus cajan was evaluated to determine their potential in hedgerow intercropping. The result revealed that Sesbania sesban performs better than Cajanus cajan in terms of biomass provision in the successive pruning, mean height, branching, diameter at breast height and root collar diameter. Biomass produced from Sesbania sesban was significantly higher than Cajanus cajan, this plays great role in soil nutrient improvement and maize yield also increased. There was an increasing trend in soil properties in terms of organic C, total N, in legume treatments especially in Sesbania sesban hedgerow to the initial and control soils. Maize grain yield higher under Sesbania sesban hedgerow plot than Cajanus cajan, maize with fertilizer and control. This should be intensively demonstrated to sustain the agricultural production as an organic farming through integration of easily adapting, less competing with the companion crop, deep rooted and fast growing legume tree/shrub species. Further research is important in areas of determining decomposing rate of different parts, pruned biomass and potential species should be identified. Int. J. Agril. Res. Innov. Tech. 11(1): 60-68, June 2021
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SWINKELS, R., and S. FRANZEL. "ADOPTION POTENTIAL OF HEDGEROW INTERCROPPING IN MAIZE-BASED CROPPING SYSTEMS IN THE HIGHLANDS OF WESTERN KENYA 2. ECONOMIC AND FARMERS' EVALUATION." Experimental Agriculture 33, no. 2 (April 1997): 211–23. http://dx.doi.org/10.1017/s0014479797000094.

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Hedgerow intercropping is evaluated both economically and from the farmers' viewpoint, based on four years of experience of 45 farmers in western Kenya. Farmers were able to establish and prune the hedges; however, both activities considerably increased labour use during the busiest period of the year. Women did not generally prune the hedges. The average extra maize yield required each year, beginning in the second year, to cover the added cost of hedgerow intercropping was 10.5% (s.d. 5.5) when based on returns to land and 17.5% (s.d. 6.5) based on returns to labour. Although about half the farmers claimed that hedges improved crop yields, after three years of experimentation only about one-fifth planted additional hedges and only 14% did so to improve soil fertility. It thus appears that the potential for its adoption as a soil fertility practice in this area is low. Control plots were of little use as farmers were more interested in contrasting test-plot yields with past yields than comparing the test and control plots. Different types of trials may be required to obtain reliable biophysical data on yield response and socio-economic data on farmer assessment of complex agroforestry technologies.
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., M. I. U. Mollah, A. Khatun ., M. M. Alam ., A. H. Khan ., and N. E. Elahi . "Hedgerow Intercropping of Pigeonpea in Rainfed Upland Ecosystems of Bangladesh." Journal of Biological Sciences 2, no. 2 (January 15, 2002): 133–35. http://dx.doi.org/10.3923/jbs.2002.133.135.

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Sun, Hui, Ya Tang, and Jiasui Xie. "Contour hedgerow intercropping in the mountains of China: a review." Agroforestry Systems 73, no. 1 (February 21, 2008): 65–76. http://dx.doi.org/10.1007/s10457-008-9113-x.

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Govindarajan, Muthiah, Meka R. Rao, Moses N. Mathuva, and P. K. Ramachandran Nair. "Soil‐Water and Root Dynamics under Hedgerow Intercropping in Semiarid Kenya." Agronomy Journal 88, no. 4 (July 1996): 513–20. http://dx.doi.org/10.2134/agronj1996.00021962008800040003x.

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Dissertations / Theses on the topic "Hedgerow intercropping"

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Weerasinghe, Sumedha Madawala. "Hedgerow intercropping for soil improvement in Sri Lanka." Thesis, University of Cambridge, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401387.

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Keen, Christopher Simon. "Utilization of water and light resources by annual crops under semi-arid conditions when planted between Leucaena leucocephala (Lam.) deWit hedgerows." Pretoria : [s.n.], 2007. http://upetd.up.ac.za/thesis/available/etd-07212008-135423.

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Rowe, Edwin Christopher. "The safety-net role of tree roots in hedgerow intercropping systems." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313884.

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Leblanc, Ureña Humberto Antonio. "Evaluation of Inga spp. for dinitrogen fixation and nitrogen release in humid-tropical alley cropping /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p3137724.

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Settle, Thomas A. "Tall fescue seed production alley cropped in a hardwood tree plantation." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/5088.

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Thesis (M.S.)--University of Missouri-Columbia, 2007.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on April 3, 2008) Includes bibliographical references.
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MacLean, Richard Havelock. "The effect of alley cropping on an upland rice agroecosystem." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=41035.

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If upland rice production is to be sustained on sloping land, soil erosion and fertility decline must be addressed. Where soil profiles are deep, hedgerows of Gliricidia sepium and Cassia spectabilis, planted on the contour, reduce soil erosion by promoting terrace formation and overcome fertility depletion by providing nutrient rich biomass. G. sepium and C. spectabilis established by seed survived better than by cuttings. Although increased hedgerow biomass was initially obtained when both species were intercropped, intense competition was observed in established hedgerows. Consequently, mixing both species at high planting density is not recommended as C. spectabilis, a non-fixing legume, may deplete soil-N reserves. In acid soils, biomass production of G. sepium was significantly increased when lime (6 t/ha) was applied. On 18 to 30% slopes, upland rice and maize production improved along fertility and moisture gradients. Rice yields were increased when biomass of G. sepium was incorporated into the soil, up to an optimum level equivalent to 40 kg N/ha. Mulching C. spectabilis increased maize productivity during the drought prone second season. Competition was observed at the hedgerow-crop interface particularly at the upper one as a result of terracing. Although green manuring increased crop yield, broadleaf weeds, seedling maggot, stemborer and blast also increased. Strategies to manage hedgerow biomass that minimize these problems need to be developed.
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Gray, Dean E. "Chemical quality in two medicinal plants : St. John's wort and purple coneflower /." free to MU campus, to others for purchase, 2000. http://wwwlib.umi.com/cr/mo/fullcit?p9974634.

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Mungai, Nancy Wangari. "Distribution of soil organic carbon and nitrogen fractions, enzyme activities and microbial diversity in temperate alley cropping systems /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p3137732.

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Ghezehei, Solomon Beyene. "Plant productivity, radiation interception and water balance as indicators of tree-crop interactions in hedgerow intercropping systems : a Jatropha - Kikuyu case study." Thesis, University of Pretoria, 2012. http://hdl.handle.net/2263/40252.

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The potential of agroforestry to alleviate problems related to scarcities of arable land, water, food and fuel wood is subject to understanding system functioning and implementing and managing an efficiently designed system. The objectives of this study were to understand interactions and productivity of a hedgerow intercropping system with reference to water and radiation use, and analyse system design and management scenarios in order to enhance returns. Field trials monitoring soil water, solar radiation and plant productivity were conducted during 2006-2008 at Ukulinga Research Farm (KwaZulu Natal, South Africa) using a Jatropha-Kikuyu (Pennisetum clandestinum) hedgerow intercropping system as case study. In order to extrapolate results, a process-based hedgerow intercropping model was developed by building intercropping and tree growth into the SWB-2D model. Data collected from the field trials were used to parameterise and evaluate the model, which was used to analyse hedgerow orientation and spacing to determine income scenarios of virtual system and to help develop design criteria. Allometric relationships of Jatropha using basal stem diameter and crown width as predictor variables were found to be very reliable. Stem diameter was linearly related with wood and branch proportions and inversely proportional to foliage. Neither below-ground (BG) interspecies competition nor tree spacing had any significant effects on allometry. Allometric equations were proven valid for accurate, non-destructive and rapid predictions of tree growth under various growing and non-destructive canopy management conditions. When interspecies competition was present, none of the tree spacing/arrangement options tested resulted in consistently highest tree relative growth rates (RGR). Treatments had no effect on tree RGR when high water availability and kikuyu dormancy coincided. The single-row treatment (SR) produced the shortest trees, but generally had the highest stem RGR during low rainfall periods. The standard-spacing treatment (SS) had the highest RGR during the spring and summer seasons. Jatropha-only treatment (JO) trees were the tallest and biggest. Treatments affected post-pruning tree height increase, even when rainfall was high. Length of tree-crop interface (TCI) generally decreased tree yield, especially as trees matured toward their maximum-yield age (4-5 years). SR trees showed slow response to pruning due to a high TCI. They, however, exhibited compensatory growth during May to August, when competition for water with grass was low. BG competition reduced tree nut yield more than tree biomass. Tree spacing/arrangements had no effect on tree harvest index. Soil water varied among treatments and was asymmetrically distributed across tree hedgerows. System ET was generally the highest in SR and lowest in the double-row treatment (DR). Differences were mainly due to transpiration. Treatments affected tree root distribution, which was inferred using correlations between tree RGR and soil water deficit (SWD). In JO and SR, fine tree roots were asymmetrically distributed. Their distribution in DR was essentially symmetrical. Strong vegetative RGR-SWD correlations during the 2007/08 season indicated that tree growth was mainly water-limited. Though DR and SR had comparable tree RGRs, DR produced less grass than SR. This implied DR had more intensive BG competition than SR. Interspecific competition was severe due to a lack of temporal complementarity between Jatropha and kikuyu and a shallow soil profile (0.6 m). Tree water uptake predominantly came from the 0.2 – 0.6 depth, which had about 8.6% of the total root biomass in the profile. There was no clear relationship between intercrop growth and root distribution. Radiation use efficiency of kikuyu decreased towards tree hedgerows possibly due to preceding interaction of the irradiance with tree canopy reducing photosynthetically active radiation. The effect of radiation distribution on tree-crop (T-C) interactions was mainly to magnify effects of water. Finally, tree spacing/arrangement could be manipulated to optimise radiation and soil water distribution and intercrop growth. Predictions of solar radiation distribution, profile water content and tree water use were quite accurate. In general, intercrop productivity simulations were acceptable. Intercrop growth was overestimated when rainfall was high and underestimated when rainfall was low. During model calibration, tree woody biomass, leaf area index, crown width and nut yield were predicted adequately, while leaf dry mass was overestimated. During model validation, woody biomass and crown width were simulated reasonably well. However, foliage biomass, leaf area index and nut yield were overestimated. Overall, adequacy of the model for simulating tree productivity was established. Using scenario modelling, model capabilities to facilitate design/planning and management of hedgerow intercropping systems and interpretation of model outputs were demonstrated. The model can be used to determine the T-C trade-off that yields maximum income. By selecting best-case row orientation and spacing scenarios using the model, and keeping in mind values of tree and intercrop yields, system returns can be maximised. Tree crown growth can also be predicted in order to decide on the extent and timing of pruning. The present model is applicable to any potential tree-intercrop combination. It should be linked to a nutrient simulator of SWB, its component, and appraised further by considering shade-intolerant and shade-loving crop species, along with evergreen and deciduous tree species. This provides model users with numerous T-C combinations to choose from. Various tree spacing/arrangement options can also be explored using the model in order to realise the full potential and implications of the experimental findings of this study and others.
Thesis (PhD)--University of Pretoria, 2012.
gm2014
Plant Production and Soil Science
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Suprayogo, Didik. "Testing the safety-net hypothesis in hedgerow intercropping : water balance and mineral N leaching in the humid tropics." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326060.

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Books on the topic "Hedgerow intercropping"

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Hodge, Sandra. Alley cropping: An agroforestry practice. Lincoln, Neb: USDA, National Agroforestry Center, 1999.

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Adesina, A. A. Policy shifts and adoption of alley farming in west and central Africa. Ibadan, Nigeria: IITA, 1999.

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E, Garrett H., Bratton Jerry, and National Agroforestry Center (U.S.), eds. Alley cropping: An agroforestry practice. Lincoln, Neb: USDA, National Agroforestry Center, 1999.

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United States. Natural Resources Conservation Service. Alley cropping: Conservation practice job sheet. Washington, D.C: United States Natural Resources Conservatuion Service, 1997.

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Huxley, P. A. Rationalising research on hedgerow intercropping: An overview. Nairobi, Kenya: ICRAF, 1986.

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Schlauderer, Ralf. Socio-economics of the introduction of alley cropping systems in traditional farming. Kiel: Wissenschaftsverlag Vauk, 1997.

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Chamberlain, James L. Forest farming ramps. Lincoln, Nebraska: USDA National Agroforestry Center, 2014.

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Kang, B. T. Alley farming. Basingstoke: Macmillan Education, 1999.

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Nair, P. K. R. Technical evaluation of living hedgerow gardens in Haiti: Report of observations and recommendations. Haiti?: s.n., 1988.

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Lawry, Steven W. Tenure and alley farming in the humid zone of West Africa: Final report of research in Cameroon, Nigeria, and Togo. [Madison, Wis.]: Land Tenure Center, University of Wisconsin- Madison, 1991.

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Book chapters on the topic "Hedgerow intercropping"

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De Costa, W., A. Chandrapala, P. Surenthran, and L. Dharmasir. "A Case Study on the Potential of Contour Hedgerow Intercropping for Sustainable Crop Production on Sloping Highlands in Humid and Subhumid Zones of Sri Lanka." In Ecological Basis of Agroforestry, 109–55. CRC Press, 2007. http://dx.doi.org/10.1201/9781420043365.ch7.

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