Sustainable management practices do not reduce oil palm yields on smallholder farms on Borneo

References

• Ashton-Butt, A., A. K. Anak, A. S. C. Aryawan, M. N. Hood, D. Purnomo, R. W. Suhardi, R. Wahyuningsih, S. Willcock, G. M. Poppy, J.-P. Caliman, et al. 2018. Understory vegetation in oil palm plantations benefits soil biodiversity and decomposition rates. Frontiers in Forests and Global Change. 1. doi:10.3389/ffgc.2018.00010.
   Google Scholar
• Auliana, S, and W. Kaonongbua. 2018. “Preliminary study on biodiversity of arbuscular mycorrhizal fungi (AMF) in oil palm (Elaeis Guineensis Jacq.) plantations in Thailand.” In IOP Conference Series: Earth and Environmental Science, Samarinda, East Kalimantan, Indonesia. Vol. 144. doi:10.1088/1755-1315/144/1/012010.
   Google Scholar
• Balasundram, S., P. Robert, D. Mulla, and D. Allan. 2006. Relationship between oil palm yield and soil fertility as affected by topography in an Indonesian plantation. Communications in Soil Science and Plant Analysis 37 (9–10):1321–37. doi:10.1080/00103620600626817.
   Web of Science ®Google Scholar
• Barcelos, E., S. D. A. Rios, R. N. V. Cunha, R. Lopes, S. Y. Motoike, E. Babiychuk, A. Skirycz, and S. Kushnir. 2015. Oil palm natural diversity and the potential for yield improvement. Frontiers in Plant Science 6 (MAR). doi: 10.3389/fpls.2015.00190.
   PubMedGoogle Scholar
• Barnes, A. D., M. Jochum, S. Mumme, N. F. Haneda, A. Farajallah, T. H. Widarto, and U. Brose. 2014. Consequences of tropical land use for multitrophic biodiversity and ecosystem functioning. Nature Communications 5. doi:10.1038/ncomms6351.
   Web of Science ®Google Scholar
• Bergen, N., and Ronald Labonté. 2020. ‘Everything is perfect, and we have no problems’: detecting and limiting social desirability bias in qualitative research. Qualitative Health Research 30 (5):783–92. doi:10.1177/1049732319889354.
   PubMed Web of Science ®Google Scholar
• Bonneau, X., R. Impens, and M. Buabeng. 2018. Optimum oil palm planting density in West Africa. OCL - Oilseeds and Fats, Crops and Lipids 25 (2). doi: 10.1051/ocl/2017060.
   Web of Science ®Google Scholar
• Carr, M. K. V. 2011. The water relations and irrigation requirements of oil palm (Elaeis Guineensis): a review. Experimental Agriculture. doi:10.1017/S0014479711000494.
   Web of Science ®Google Scholar
• Chen, X., D. Zeng, X. Ying, and X. Fan. 2018. Perceptions, risk attitude and organic fertilizer investment: evidence from rice and banana farmers in Guangxi, China. Sustainability (Switzerland) 10 (10). doi: 10.3390/su10103715.
   Google Scholar
• Clough, Y., V. V. Krishna, M. D. Corre, L. H. Kevin Darras, A. M. Denmead, S. Moser, S. Moser, O. Musshoff, S. Steinebach, E. Veldkamp, et al. 2016. Land-use choices follow profitability at the expense of ecological functions in Indonesian smallholder landscapes. Nature Communications. 7. doi:10.1038/ncomms13137.
   PubMed Web of Science ®Google Scholar
• Corley, R. H. V. 1973. Effects of plant density on growth and yield of oil palm. Experimental Agriculture 9 (2):169–80. doi:10.1017/S0014479700005639.
   Web of Science ®Google Scholar
• Corley, R. H. V., and P. B. Tinker. 2016. The oil palm. Fifth. Vol. 1. Hoboken, New Jersey, United States: Wiley. ISBN: 9781405189392. doi:10.1002/9781118953297.
   Google Scholar
• Darras, K. F. A., M. D. Corre, G. Formaglio, A. Tjoa, A. Potapov, F. Brambach, K. T. Sibhatu, I. Grass, A. A. Rubiano, D. Buchori, et al. 2019. Reducing fertilizer and avoiding herbicides in oil palm plantations—ecological and economic valuations. Frontiers in Forests and Global Change. 2. doi:10.3389/ffgc.2019.00065.
   Google Scholar
• Descals, A., S. Wich, E. Meijaard, D. Gaveau, S. Peedell, and Z. Szantoi. 2020. High-resolution global map of smallholder and industrial closed-canopy oil palm plantations. Earth System Science Data Discussions. doi:10.5194/essd-2020-159.
   Google Scholar
• Durand-Gasselin, T., and B. Cochard. 2005. Oil palm seed distribution. OCL - Oleagineux Corps Gras Lipides 12:148–53. doi:10.1051/ocl.2005.0148.
   Google Scholar
• Edwards, D. P., J. A. Hodgson, K. C. Hamer, S. L. Mitchell, A. H. Ahmad, S. J. Cornell, and D. S. Wilcove. 2010. Wildlife-friendly oil palm plantations fail to protect biodiversity effectively. Conservation Letters 3:236–42. doi:10.1111/j.1755-263X.2010.00107.x.
   Web of Science ®Google Scholar
• Edwards, D. P. , Magrach, A. , Woodcock, P. , Lim, N. T.-L. , Edwards, F. A. , Larsen, T. H. Hsu, W. W. et al. (2014). Selective-logging and oil palm: Multitaxon impacts, biodiversity indicators, and trade-offs for conservation planning. Ecological Applications 24(8): 2029–2049. doi: 10.1890/14-0010.110.1890/14-0010.1.sm
   PubMed Web of Science ®Google Scholar
• Euler, M., M. P. Hoffmann, Z. Fathoni, and S. Schwarze. 2016. Exploring yield gaps in smallholder oil palm production systems in Eastern Sumatra, Indonesia. Agricultural Systems 146:111–19. doi:10.1016/j.agsy.2016.04.007.
   Web of Science ®Google Scholar
• Fairhurst, T., and W. Griffiths. 2014. Oil palm: best management practices for yield intensification. Singapore: International Plant Nutrition Institute (IPNI).
   Google Scholar
• Fischer, J., D. J. Abson, A. Bergsten, N. F. Collier, I. Dorresteijn, J. Hanspach, K. Hylander, J. Schultner, and F. Senbeta. 2017. Reframing the food–biodiversity challenge. Trends in Ecology & Evolution 32:335–45. doi:10.1016/j.tree.2017.02.009.
   PubMed Web of Science ®Google Scholar
• Formaglio, G., E. Veldkamp, X. Duan, A. Tjoa, and M. D. Corre. 2020. Herbicide weed control increases nutrient leaching compared to mechanical weeding in a large-scale oil palm plantation. Biogeosciences 17 (21):5243–62. doi:10.5194/bg-17-5243-2020.
   Web of Science ®Google Scholar
• Fujii, K., M. Shibata, K. Kitajima, T. Ichie, K. Kitayama, and B. L. Turner. 2018. Plant–soil interactions maintain biodiversity and functions of tropical forest ecosystems. Ecological Research 33 (1):149–60. doi:10.1007/s11284-017-1511-y.
   Web of Science ®Google Scholar
• Gao, X., H. Guo, Q. Zhang, H. Guo, L. Zhang, C. Zhang, Z. Gou, Y. Liu, J. Wei, A. Chen, et al. 2020. Arbuscular Mycorrhizal Fungi (AMF) enhanced the growth, yield, fiber quality and phosphorus regulation in upland cotton (Gossypium Hirsutum L.). Scientific Reports. 10(1). doi:10.1038/s41598-020-59180-3.
   Web of Science ®Google Scholar
• García-Orenes, F., A. Roldán, J. Mataix-Solera, A. Cerdà, M. Campoy, V. Arcenegui, and F. Caravaca. 2012. Soil structural stability and erosion rates influenced by agricultural management practices in a semi-arid Mediterranean agro-ecosystem. Soil Use and Management 28 (4):571–79. doi:10.1111/j.1475-2743.2012.00451.x.
   Web of Science ®Google Scholar
• Gaveau, D. L. A., M. A. Bruno Locatelli, H. Y. Salim, P. Pacheco, and D. Sheil. 2018. Rise and fall of forest loss and industrial plantations in Borneo (2000–2017). Conservation Letters. doi:10.1111/conl.12622.
   Web of Science ®Google Scholar
• Grass, I., V. V. Christoph Kubitza, M. D. Krishna, O. M. Corre, P. Pütz, J. Drescher, J. Drescher, K. Rembold, E. S. Ariyanti, A. D. Barnes, et al. 2020. Trade-offs between multifunctionality and profit in tropical smallholder landscapes. Nature Communications. 11(1). doi:10.1038/s41467-020-15013-5.
   Web of Science ®Google Scholar
• Guillaume, T., A. M. Holtkamp, M. Damris, B. Brümmer, and Y. Kuzyakov. 2016a. Soil degradation in oil palm and rubber plantations under land resource scarcity. Agriculture, Ecosystems & Environment. 232:110–18. doi:10.1016/j.agee.2016.07.002.
   Web of Science ®Google Scholar
• Guillaume, T., D. Maranguit, K. Murtilaksono, and Y. Kuzyakov. 2016b. Sensitivity and resistance of soil fertility indicators to land-use changes: new concept and examples from conversion of Indonesian rainforest to plantations. Ecological Indicators 67:49–57. doi:10.1016/j.ecolind.2016.02.039.
   Web of Science ®Google Scholar
• Hafeez, C. K., C. K. Denang, K. S. D. Singh, A. Arifin, and S. R. Keeren. 2020. Effects of empty fruit bunch (EFB) application on oil palm yield, soil properties and cost-benefits analysis. Journal of Environmental Science and Pollution Research 6 (3). doi: 10.30799/jespr.208.20060301.
   Google Scholar
• Harris, I., T. J. Osborn, P. Jones, and D. Lister. 2020. Version 4 of the CRU TS monthly high-resolution gridded multivariate climate dataset. Scientific Data 7 (1). doi: 10.1038/s41597-020-0453-3.
   PubMed Web of Science ®Google Scholar
• Hilborn, R., J. K. Parrish, and K. Litle. 2005. Fishing rights or fishing wrongs? Reviews in Fish Biology and Fisheries 15 (3):191–99. doi:10.1007/s11160-005-5138-7.
   Web of Science ®Google Scholar
• Hoffmann, M. P., C. R. Donough, S. E. Cook, M. J. Fisher, C. H. Lim, Y. L. Lim, J. Cock, S. P. Kam, S. N. Mohanaraj, K. Indrasuara, et al. 2017. Yield gap analysis in oil palm: framework development and application in commercial operations in Southeast Asia. Agricultural Systems 151:12–19. doi:10.1016/j.agsy.2016.11.005.
   Web of Science ®Google Scholar
• Hoffmann, M. P. , Donough, C. , Oberthur, T. , Castaneda Vera, A. , Van Wijk, M. T. , Lim, C. H. , Asmono, D et al. 2015. Benchmarking yield for sustainable intensification of oil palm production in Indonesia using PALMSIM. . The Planter, Kuala Lumpur. 91(1067).
   Google Scholar
• Jelsma, I., K. Giller, and T. Fairhurst. 2009. Smallholder oil palm production systems in Indonesia: lessons learned from the NESP Ophir project.
   Google Scholar
• Jelsma, I., L. S. Woittiez, J. Ollivier, and A. H. Dharmawan. 2019. Do wealthy farmers implement better agricultural practices? An assessment of implementation of good agricultural practices among different types of independent oil palm smallholders in Riau, Indonesia. Agricultural Systems 170:63–76. doi:10.1016/j.agsy.2018.11.004.
   Web of Science ®Google Scholar
• Kobae, Y. 2019. Dynamic phosphate uptake in arbuscular mycorrhizal roots under field conditions. Frontiers in Environmental Science 6. doi:10.3389/fenvs.2018.00159.
   Web of Science ®Google Scholar
• Krishna, V. V., M. Euler, H. Siregar, Z. Fathoni, and M. Qaim. 2015. “Farmer heterogeneity and differential livelihood impacts of oil palm expansion among smallholders.” EFForTS Discussion Paper Series No. 13.
   Google Scholar
• Krumpal, I. 2013. Determinants of social desirability bias in sensitive surveys: a literature review. Quality & Quantity 47:2025–47. doi:10.1007/s11135-011-9640-9.
   Web of Science ®Google Scholar
• Kurniawan, S., M. D. Corre, S. R. Utami, and E. Veldkamp. 2018. Soil biochemical properties and nutrient leaching from smallholder oil palm plantations, Sumatra-Indonesia. Agrivita 40 (2). doi: 10.17503/agrivita.v40i2.1723.
   Web of Science ®Google Scholar
• Kwatrina, R. T., B. Yanto Santosa, N. Santoso, and N. Santoso. 2018. The impacts of oil palm plantation establishment on the habitat type, species diversity, and feeding guild of mammals and herpetofauna. Biodiversitas 19 (4):1213–19. doi:10.13057/biodiv/d190405.
   Google Scholar
• Lazaroiu, G., M. Andronie, C. Uţă, and I. Hurloiu. 2019. Trust management in organic agriculture: sustainable consumption behavior, environmentally conscious purchase intention, and healthy food choices. Frontiers in Public Health 7. doi:10.3389/fpubh.2019.00340.
   PubMed Web of Science ®Google Scholar
• Lee, J., S. Huay, J. Ghazoul, K. Obidzinski, and L. P. Koh. 2014. Oil palm smallholder yields and incomes constrained by harvesting practices and type of smallholder management in Indonesia. Agronomy for Sustainable Development 34 (2):501–13. doi:10.1007/s13593-013-0159-4.
   Web of Science ®Google Scholar
• Lin, X., and D. Zhang. 1999. Inference in generalized additive mixed models by using smoothing splines. Journal of the Royal Statistical Society. Series B, Statistical Methodology 61 (2):381–400. doi:10.1111/1467-9868.00183.
   Google Scholar
• Luke, S. H., D. Purnomo, A. D. Advento, A. A. K. Aryawan, M. Naim, R. N. Pikstein, S. Ps, T. D. S. Rambe, J.P. Caliman, Snaddon, J. L., Foster, W. A., Turner, E. C., et al. 2019. Effects of understory vegetation management on plant communities in oil palm plantations in Sumatra, Indonesia. Frontiers in Forests and Global Change. 2. doi:10.3389/ffgc.2019.00033.
   Google Scholar
• Marcelino, J., and E. Diaz. 2016. Frond pruning enhanced the growth and yield of eight-year-old oil palm (Elaeis Guineensis Jacq.). Annals of Tropical Research 96–105. doi:10.32945/atr3827.2016.
   Google Scholar
• Marra, G., and S. N. Wood. 2011. Practical variable selection for generalized additive models. Computational Statistics & Data Analysis 55 (7):2372–87. doi:10.1016/j.csda.2011.02.004.
   Web of Science ®Google Scholar
• Martey, E., and J. K. M. Kuwornu. 2021. Perceptions of climate variability and soil fertility management choices among smallholder farmers in Northern Ghana. Ecological Economics 180:106870. doi:10.1016/j.ecolecon.2020.106870.
   Web of Science ®Google Scholar
• Obiri, B. D., E. A. Obeng, K. A. Oduro, M. M. Apetorgbor, T. Peprah, A. Duah-Gyamfi, and J. K. Mensah. 2021. Farmers’ perceptions of herbicide usage in forest landscape restoration programs in Ghana. Scientific African 11:e00672. doi:10.1016/j.sciaf.2020.e00672.
   Google Scholar
• Oettli, P., S. K. Behera, and T. Yamagata. 2018. Climate based predictability of oil palm tree yield in Malaysia. Scientific Reports 8 (1). doi: 10.1038/s41598-018-20298-0.
   PubMedGoogle Scholar
• Panagos, P., A. Jones, C. Bosco, and P. S. Senthil Kumar. 2011. European digital archive on soil maps (EuDASM): preserving important soil data for public free access. International Journal of Digital Earth 4 (5):434–43. doi:10.1080/17538947.2011.596580.
   Web of Science ®Google Scholar
• Pandey, C., and H. Diwan. 2020. Assessing fertilizer use behaviour for environmental management and sustainability: a quantitative study in agriculturally intensive regions of Uttar Pradesh, India. Environment, Development and Sustainability. doi:10.1007/s10668-020-00848-1.
   Web of Science ®Google Scholar
• Pauli, N., C. Donough, T. Oberthür, J. Cock, R. Verdooren, R. G. Abdurrohim, G. Abdurrohim, K. Indrasuara, A. Lubis, T. Dolong, et al. 2014. Changes in soil quality indicators under oil palm plantations following application of ‘best management practices’ in a four-year field trial. Agriculture, Ecosystems & Environment 195:98–111. doi:10.1016/j.agee.2014.05.005.
   Web of Science ®Google Scholar
• Rafii, M. Y., Z. A. Isa, A. Kushairi, G. B. Saleh, and M. A. Latif. 2013. Variation in yield components and vegetative traits in Malaysian oil palm (Elaeis Guineensis Jacq.) Dura×pisifera hybrids under various planting densities. Industrial Crops and Products 46:147–57. doi:10.1016/j.indcrop.2012.12.054.
   Web of Science ®Google Scholar
• Rahman, N., K. E. Giller, D. N. Andreas, J. Magid, D. V. Gerrievan, and T. B. Bruunc. 2021. The Effects of Management Practices on Soil Organic Carbon Stocks of Oil Palm Plantations in Sumatra, Indonesia. Journal of Environmental Management 278:111446. doi:10.1016/j.jenvman.2020.111446.
   PubMed Web of Science ®Google Scholar
• R Core Team. 2019. R: A language and environment for statistical computing. Vienna, Austria: R Foundation for Statistical Computing.
   Google Scholar
• Rhebergen, T., S. Zingore, K. E. Giller, C. A. Frimpong, K. Acheampong, F. T. Ohipeni, E. K. Panyin, V. Zutah, and T. Fairhurst. 2020. Closing yield gaps in oil palm production systems in Ghana through best management practices. European Journal of Agronomy 115:126011. doi:10.1016/j.eja.2020.126011.
   Web of Science ®Google Scholar
• Romero, M. M., K. R. Wollni, R. Asnawi, B. Irawan, and B. Irawan. 2019. Promoting biodiversity enrichment in smallholder oil palm monocultures – experimental evidence from Indonesia. World Development 124:104638. doi:10.1016/j.worlddev.2019.104638.
   Web of Science ®Google Scholar
• RSPO P&C. 2018. Principles and criteria for the production of sustainable palm oil. Kuala Lumpur, Malaysia: RSPO P&C.
   Google Scholar
• Sahat, S., Z. Yusop, M. Askari, and A. D. Ziegler. 2016. “Estimation of soil erosion rates in oil palm plantation with different land cover.” In IOP Conference Series: Materials Science and Engineering, 2015. Langkawi, Malaysia. Vol. 136. doi:10.1088/1757-899X/136/1/012086.
   Google Scholar
• Samedani, B., A. S. Juraimi, S. A. S. Abdullah, M. Y. Rafii, A. A. Rahim, and M. P. Anwar. 2014. Effect of cover crops on weed community and oil palm yield. International Journal of Agriculture and Biology 16 (1):23–31.
   Web of Science ®Google Scholar
• Savilaakso, S., C. Garcia, J. Garcia-Ulloa, J. Ghazoul, M. R. Martha Groom, Y. L. Guariguata, Y. Laumonier, R. Nasi, G. Petrokofsky, J. Snaddon, et al. 2014. Systematic review of effects on biodiversity from oil palm production. Environmental Evidence. 3. doi:10.1186/2047-2382-3-4.
   Google Scholar
• Soliman, T., F. K. S. Lim, J. S. H. Lee, and L. R. Carrasco. 2016. Closing oil palm yield gaps among Indonesian smallholders through industry schemes, pruning, weeding and improved seeds. Royal Society Open Science 3 (8):160292. doi:10.1098/rsos.160292.
   PubMed Web of Science ®Google Scholar
• Sundram, S., L. P. L. Angel, and S. A. Sirajuddin. 2019. Integrated balanced fertiliser management in soil health rejuvenation for a sustainable oil palm cultivation: a review. Journal of Oil Palm Research 31 (3). doi: 10.21894/jopr.2019.0045.
   Web of Science ®Google Scholar
• Tamburini, G., R. Bommarco, T. C. Wanger, C. Kremen, M. G. A. van der Heijden, M. Liebman, and S. Hallin. 2020. Agricultural diversification promotes multiple ecosystem services without compromising yield. Science Advances 6 (45). doi: 10.1126/SCIADV.ABA1715.
   PubMed Web of Science ®Google Scholar
• Tao, H. H., C. Donough, M. P. Joska Gerendas, A. C. Hoffmann, H. Sugianto, R. Wandri, R. Wandri, G. A. Rahim, M. Fisher, R. P. Rötter, et al. 2018a. Fertilizer management effects on oil palm yield and nutrient use efficiency on sandy soils with limited water supply in Central Kalimantan. Nutrient Cycling in Agroecosystems 112 (3):317–33. doi:10.1007/s10705-018-9948-0.
   Web of Science ®Google Scholar
• Tao, H. H., E. M. Slade, K. J. Willis, J. P. Caliman, and J. L. Snaddon. 2016. Effects of soil management practices on soil fauna feeding activity in an Indonesian oil palm plantation. Agriculture, Ecosystems & Environment 218:133–40. doi:10.1016/j.agee.2015.11.012.
   Web of Science ®Google Scholar
• Tao, H. H., J. L. Snaddon, E. M. Slade, J. P. Caliman, R. H. Widodo, Suhardi, K. J. Willis, and J. Kathrine. 2017. Long-term crop residue application maintains oil palm yield and temporal stability of production. Agronomy for Sustainable Development 37 (4). doi: 10.1007/s13593-017-0439-5.
   PubMed Web of Science ®Google Scholar
• Tao, H. H., J. L. Snaddon, E. M. Slade, L. Henneron, J. P. Caliman, and K. J. Willis. 2018b. Application of oil palm empty fruit bunch effects on soil biota and functions: A case study in Sumatra, Indonesia. Agriculture, Ecosystems & Environment. doi:10.1016/j.agee.2017.12.012.
   Web of Science ®Google Scholar
• Tengoua, F. F., M. M. Hanafi, A. S. Idris, and S. R. Syed-Omar. 2015. Screening for optimum concentrations of boron, copper and manganese for the growth of three-month old oil palm seedlings in solution culture. Pertanika Journal of Tropical Agricultural Science 38 (1):113–126.
   Google Scholar
• Tscharntke, T., A. M. Klein, A. Kruess, I. Steffan-Dewenter, and C. Thies. 2005. Landscape perspectives on agricultural intensification and biodiversity - ecosystem service management. Ecology Letters 8:857–74. doi:10.1111/j.1461-0248.2005.00782.x.
   Web of Science ®Google Scholar
• Varkkey, H., A. Tyson, and S. A. B. Choiruzzad. 2018. Palm oil intensification and expansion in Indonesia and Malaysia: environmental and socio-political factors influencing policy. Forest Policy and Economics 92:148–59. doi:10.1016/j.forpol.2018.05.002.
   Web of Science ®Google Scholar
• Vos, R. E., A. S. De, P. J. Maja Slingerland, D. M. Van, and J. M. Lucey. 2021. Independent oil palm smallholder management practices and yields: can RSPO certification make a difference? Environmental Research Letters 16 (6). doi: 10.1088/1748-9326/ac018d.
   Web of Science ®Google Scholar
• Webb, E., J. Michael, P. N. Nelson, C. Bessou, J.-P. Caliman, and E. S. Sutarta. 2013. “Sustainable management of soil in oil palm plantings.” In Proceedings of a Workshop Held in Medan, Indonesia, 2013. Medan, Indonesia.
   Google Scholar
• Woittiez, L. S., M. Slingerland, R. Rafik, and K. E. Giller. 2018. Nutritional imbalance in smallholder oil palm plantations in Indonesia. Nutrient Cycling in Agroecosystems 111 (1):73–86. doi:10.1007/s10705-018-9919-5.
   Web of Science ®Google Scholar
• Woittiez, L. S., M. T. van Wijk, M. Slingerland, V. N. Meine, and K. E. Giller. 2017. Yield gaps in oil palm: A quantitative review of contributing factors. European Journal of Agronomy. doi:10.1016/j.eja.2016.11.002.
   Web of Science ®Google Scholar
• Wood, S., and F. Scheipl. 2017. “Gamm4: generalized additive mixed models using Mgcv and Lme4.” R Package Version 0.2-5. 2017.
   Google Scholar
• Yi, L. G., S. A. A. Wahid, P. Tamilarasan, and C. S. Siang. 2019. Enhancing sustainable oil palm cultivation using compost. Journal of Oil Palm Research 31 (3). doi: 10.21894/jopr.2019.0037.
   Web of Science ®Google Scholar
• Zeng, Z., A. D. Lyndon Estes, A. C. Ziegler, T. Searchinger, F. Hua, K. Guan, A. Jintrawet, E. F. Wood, and E. F. Wood. 2018. Highland cropland expansion and forest loss in southeast asia in the twenty-first century. Nature Geoscience 11 (8):556–62. doi:10.1038/s41561-018-0166-9.
   Web of Science ®Google Scholar
• Zheng, F.-L. 2006. Effect of vegetation changes on soil erosion on the loess plateau. Pedosphere 16 (4):420–27. doi:10.1016/s1002-0160(06)60071-4.
   Web of Science ®Google Scholar