CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '913491e918dd44bb',cH: 'bfY_8c3efV.ntRPSz4jwiz3MQwRC_z4lIlMpYPseGkg-1739782647-1.2.1.1-aTEVBf_IAOzsoFIiUmcuxvjeUqbBZEv6MbZIuuikxTGMYjL7vZND_Qbl5SbtFTJ_',cUPMDTk: "\/abstracts\/search?q=rigors%20of%20farming&__cf_chl_tk=AFeyTYcbhtBlcKXt.JY9iC1C92rZK13g2xrGjnc8vbM-1739782647-1.0.1.1-kDvf3.EkmfTefbCmVjcAsn0kHeRV4Y0b.1tBpQ6eO.A",cFPWv: 'b',cITimeS: '1739782647',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=rigors%20of%20farming&__cf_chl_f_tk=AFeyTYcbhtBlcKXt.JY9iC1C92rZK13g2xrGjnc8vbM-1739782647-1.0.1.1-kDvf3.EkmfTefbCmVjcAsn0kHeRV4Y0b.1tBpQ6eO.A",md: "84Ui3NBtE6jYNUbE.tZnljynwcqdnbIkwweMF4o7BwQ-1739782647-1.2.1.1-EaMtiUVmPBQl2bk806FGSaVrRXN5m.77IHqN13oJWCUe9sjo9YzFeU0szvqa1CAzGs7Gat5YAORFwR.7ZUGLraIehRQQu.vSwREy1DkjkJ63qTgFWVmcj3DKaPI3KCcVrjXEVjswcFUgVBK2ozswmGsKdCgzf0tagbj1wMT13PFT9qhxhh2M9dmB_8T_tuUqn81Dhxv81SdqdVcRTa1fT7X7Wime6jJL60E4ilrzHaUKf2SsTR93cwMj8h9T8QwXtWQUJi7oL2j8ZOJJM5GkGZbh1q.QbqLZZMFdNAgpPk4321s2lHcQ4HaZZrrjkZfy9nGGevBO3Msfw.546o8WVuR98CK3J9Soo9W2_YuwkrEcf4RdR.BeDQVTwZ5dX2_841g.0eRigSHlXhRaBWtnDnt.D8JQBElXGndxmRX8aUxjxw89h876AgsZNx8Lh_XnNflebagUKavGy0W3Ds_f5XclpxFzlAMikXAGaewP22YwNF6Q74phSVDbr2Xv9mwa5ZrOwFKk8Ed79XqZ0gHWLCnYpTyY.i_rHrmAmeNAVp7LRM0c4dQzM1SQCypnHe.YNlcviysJYn.f1fG9CSO5e8NVdRROfDmmMZ9m5rxPz0imizqb7snGHyl_WsiiUrSK8xCrcknIMAHP2MuW8Jhd9dH4cm170NYoXU54ITlaSi7D3n08Wz3n56IqJX4CaQerpiQj7NGxcQu9CB7zrVqM2RIsxMB4ZFvt6MYXqEdTTZT43hy2mT8745eWzoaDDinMVAFTqbTtEwlUx5ElfNiiZQPwJ9J978NewVk2knkSVLE7UC3Z8vaWkpSHmo_hqbnYNluPY10tLkV2GIDDbLfU5JdSoT1EU1TS1pYOQ91mBhZMSxZw8IQgtv6lGElnK8AQ.kj8wjZ9ZNyG2yvG0L7ETE8qmJAGXJj6BjtdREwJ7Jqy1B.WAtcQg1Fn9MphShr8UPcMLaXqIgrn4D98_iB3zjIMzTLn_2CvnfgrLyj3OU1cIvdTsKhKJ3aD4yMTaUcXDaA6QB_nNzUK9dFQ1oZTmGOhZih2__kIInSnE8um5Nk3UAb4lQ0KsPaMxOKXWd8c9oU2uxPlBPDzt_cZAcj_NHwLcqppS7fEkaFI2EuOBuyNckSwgklj0qXqwayJY4hm.mJ.cr_l33WjkVWBuslW0I22tTpUAacmWJGr8PQaumzHeGE9YhkvqSZ6bEpLb176C0Uy4H3i_hdiiLz1LCIgf.t0tX_ncRNzRX3YfjEgsglO_lLEzhfWB1RiXMmSdtRv726X8LFKZcPH0T6_n1FjypA3OGN.MscBnD41_JBEagTck437wktYF8pyb5osylHVD97KarfXJ73IhX6ouloQn..ugKY9sDUYFKls8D5QkMjRQsN5MbMcg4WyyXTXVAhbk.dhctVRej26N1MKlp2iEoGHkqhgddVq_if1AyQtU4jDuam5DiyUkEtnpmLdYQkIi0fZfoDIIXpyvYTunZ7Awd6t.qKwV0eTkwWn4Z42FL4OGDWeaWPVhCh5b..JUk7VlRwdlN6JgyJzhKNAqq2JlnIsAb2mkYBY9Eb.qFTMFsyXoQZdD8ghI.GKdkUhlzcKmthHc8aGrEY3i0M6Yy8QuFgPtnyfyrbt4DU_8ELu8CZijj76r4SaAvk8tox8T_tbwtpFmrhBcOZYylQghLPX9ijWJ0xC3S8pQWzL5Dn1FCL335HZ6WFSm_FK0i_VITk2e8QJ9DHexFxMIJxM2fXKrYSc7KfR73BV1iD0NeHudXUQJ8zgbzo57vjRiqmy8VNe7auOz4XyoWZ8o8_2veEeJNL0HXfbg2hzsu1e1VEerRunFj1_26efOTS38xicOuHtSqAfSpL_QrL6eBl0CjEcRVLJxJzbzvNhcrvJtgRYsL5iz3pUyXnDTGXz6VIDaiO9MV7PFbFD3xG2E.6u3kY8cWnP4PSCnPmV4im7AyvY7JQ3YMNVK1K8RN1qq4TLqVkL",mdrd: "7GZNtiFdEjdTGkinKoW3xtC4VtukSCP3_Mq4KzBSg_8-1739782647-1.2.1.1-N0Rr8zUelPnSdkuMFKrK5uI3Hhk2abxSRmUp8GMbnxuIOi1ps3omJlvwXB9TwNUn1wCPYn4slTzSf68g4xMrVhV.vwAO8ihe4nQJl2XWp.auou6e9NYjURfPCHBG9Ni0p4kj7uVIrsoj8Y4DwIUXXeZ6pAywuVqt8Ekad5cDnltOHYHXpH3HoNTAZRnw2c2iJmvGfmx5Dgpe4KnBdGQjIQDxDsye4IXjFoiNw2UT_JjP9dPx3SNbznTZ0ey..34_DQkIg6fA666w5nUJZCQ4ODdvO5OuTMN9vTL1evkq46ZDlZzq6iCWv.r0H3csEoyN5ZO7nuSE9rFW_wnPUHWCRuA8JZXaVmDkcoBh2cJSPPGPVRqbh35rM7PpOeiLnlAe6bNSr_OzMpq4Ur6igNhZN7LLTtfxGFWWFudu2g48HYY7bth6n7HIncZVTOOBAyIGZWS6Ul6cmph07j07rUDP84YGM2ohlx_tiGY6uCPUiozGkG7td0O5M3M8pmwnkZcB7sau0sIW5I0uprK0yD.nA53T0vN9owNJkWWQlE2Udo9FE_Yeem8Yvyq8LWeSf3GLOt4rQ5lueJHAzIALJ1YBDv4Lulq7d5Gyn7I3YEYRK6XX5a9Za4NdsgXZbbr82OB.8Kk96nWlaNAV6LnK.beAHyNPUMHNP6GkaJhzKaaLxhBgyAQXtfQE_czAiYlEeI6rcoprDPRtFljKWxaVdzJTYzIu75L1cVtWNcz3tXjLO8J_SoXWLYtuoeRz3ir10G4xUJ0Emri_E._eugLLhu4NUQjxZg8D9UIaGzSaDz3U48AKjyxzetHJgIIl6KWACNDJ4RgDUd7JIcTabf.WQ1Us1qBQGWOiVmi3SF8X3zyky8aEAxTYDKjEbH426nE2AIK4h3xGxJN9hcHev4hWkf8amblDP6CadX.BMTjTJNJlY0R1eaIaU3PhDDeK1Cr5vHdGhGpifVIAftQ76VCxIh0Tr7.6f.HcP8cLVI3ENvdmHyx.usC.yRh8PaCgs.Gl5W2ipg1oL4MiCOWrXBRXaW7O_Oj6o54Y84LXi6sWOIAcHCKHox9MmPuLaTOib7r7JCjz1PGVEoMkiTO1HP8wwhxo2Z3bIyiz8PDtNf0eM2YErbfFe2PYWPxuRSSdSWTjM2M6HNtbffN4KfRA9fOA2G1LWSCkaf1tDqWaLE3bdI0u4JvU6K1uG5WLY7YYi9a_pIDeQlYYQfpM_SJQfjQMps4KJqCSlI320eljkWQOalP.SKb26pLDx6NvFIyWFi9HSlvnw.rQvCpX6X2jsp72xnUknt7mL_8Sy9U82qb.lgNHdRJKtN_uz.cyt9Bf9TPKvMBdggmmOohDYrnM7NTGiwOAhi56eeu.1gZ9NuaBKK0DKxXpczpC_v94j4JnR8NUusvOx5x5mcGCQHNixlOoefGuIoLPsy.PH2sRZwthdG2yHlFOk9rVXBehil4S4MXxF1_DMzIr6DBidTyT._gU_HLReqEOPodvgIR3xt_QYp776npIAbekEGalNaatF2CR8pcycyaXNoCnyx4eHvqSj_.roaBry2IMG8pdWIfYxkNzMyJDj1il0WQEAMER6o5i6Uq8meS9edNGHlRoSKR7N3unAqUnnIppbly9Q3vdWYXa6plZuSP_ToQNyXXosvJjUH891peY4UJ6I8ceu1Je_wLryYrU41ejXMuJx5mHdaMbiAIoPQxhJxiuMWSV4l8649AwTGmYnt4rPEAuu1foMrgEmIu.SyVbX_hJdpw4syxlwEtfpI3sLgMb0Phrr3odHjhJrb0CvO6OBI7pB72KugoOsv12EMhUaQAlmbMdhCRM6c.coUb60eHQ9lGlt47RmAMgS.ZUpJhX8TwaQvAxQxIQZTZ8K9uERJtpV5E4yEib8g2vHR1Zh4d3mu5gfomy3QfzGTOqMOjyHJ6Y9naE_F5SwYhMwRE0CnSN5ZZAmRRJyygs8gBbvRQsUUV1Ajl_WbvCcv_PLw4GEDl9POL0nC1r2g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=913491e918dd44bb';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=rigors%20of%20farming&__cf_chl_rt_tk=AFeyTYcbhtBlcKXt.JY9iC1C92rZK13g2xrGjnc8vbM-1739782647-1.0.1.1-kDvf3.EkmfTefbCmVjcAsn0kHeRV4Y0b.1tBpQ6eO.A" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>