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: '9134f6a2cddf5cd6',cH: 'c8mIUbg6n3Bsl15RgAeuqwAa_803JfxMQ.tv_2k1wCA-1739786772-1.2.1.1-KmW5kWu0OVGY9OpMJqSHJjAKpIau_JwZUzWDjGYx_b1C7RlXLcfhLIdQPmNRZItf',cUPMDTk: "\/abstracts\/search?q=NPKS-fertilizers&__cf_chl_tk=nntFYf6daI_SRdNtNvt1kRvOYTRTg7X4kzY_2TjcuGE-1739786772-1.0.1.1-kT7vyf4azv.7AplNLPuTT3jo60bUoGP3a7Eb18Gnc7Y",cFPWv: 'b',cITimeS: '1739786772',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=NPKS-fertilizers&__cf_chl_f_tk=nntFYf6daI_SRdNtNvt1kRvOYTRTg7X4kzY_2TjcuGE-1739786772-1.0.1.1-kT7vyf4azv.7AplNLPuTT3jo60bUoGP3a7Eb18Gnc7Y",md: "o1y0hstXQiNMi4TfiyTOuTRQyT9IOcdWgCALP7X6zfg-1739786772-1.2.1.1-aPsDFzf9iv5FH8J8qk5JrGW6bTwMfLwqMg0Z1soxz0r12qBAVfLS4xAQTEAN8IqgxgUfOK8RwWY9rKesUTp7we5x0zU1CDSXrRA445bn.K8yBUiY.8JPQrJ8erV6VFGNz.3rsKk_1vZrX7CvOC91pJtv7WxeEeY2K7VH627jcJWaprFC7i.HHYbRHqUaidwgV0nI.mOaRhv_oatjttKK5E9l1CSLF3We2abmPTspwdC9cr42HR.p6VqeMtRrMwVOEBwUwvkHSWWUku3I6HkJ98IiqAVx9goJszU7wU5695OuyS8rEPxYFRTyhYTMPHaH53UfwFOJvKV2sWEtO3P0.SACrebJfrhm0sVYX5SGdefzkvYJj1hMNIG0phqwbzSECT9zJgE80TCpyKHYxucJ4HVHH2Ms._KvbD8uw1UAQV6Z_qnIGdj1p0lgZYgpDA4rWNf58VX9ZI8AB04B5r.aoGHigNX7LmwEy7qXKuRBSfdzSyiCjh1phdQjqi3XJQFjeCjYEjph85AWL8XM2dKhJIERnMc_.ZAoqyodoknulC7MIoHINP6Q.3bSz4zhy5IG8LuJb0AX4jGM3e_IcqOOAqGMHWCcF27dRosjj5blYER9uqV0iwzqSxXcCsFTMn3AgPLqWsNbgEBtq3mi9NHjfPStF3Qj5caPbkDMLl8ZhFzoVxLjEVXSOh4Wuc0RDyFydXdtdEDNERVmSBhflkQ6PPpIgv3LPHYd1..e5SKipETMyofqYVL5dJoE43nH9WtR7ADtmJK5XkmQv3xo0L5R7BxUgz3Pr7Fi4a6C4OHQpDTHcELVQfSzsxdJs59zi3k1yxWaXsYtJd0KzzcAt9dAucYcsO4BZhjj0mQVmJm0vavl.4czQUGhQStqDrt13UZXH5ca3X9qEqHwlu3TJCz8FXuiCuvEV83SOTXTGs2ybqyVIX26hrQwpLcz24zvhbaRXL9T6kjjU3IBDaSEC2gfAhQoW6V.SPLI7gNc2.uFFbcuSRXFyaeIj.s1R8HWFGLOiDPbrxH1l9B5Dtwd5Q0Zp4vgl5UTaxmMULUG9EqAX8aK2dLTh7zULGi59uhCxBnmJU6TpMKpV9Nsjws9Brewmub90LxORF4SNptiC6Q_5.y8KqxfFboLOp3R2eNIcPI4XBjWdkP5pGm0mLjzCsVc9i8xLUEYK4nrOripz1ctvKeKII8UsY2BJhIzq6C7vU2WH4y1.mU6dZbG3_Y9plJE_aBCT9WNUMdt002Z46p.K2gOvOVB7O66wMXpGBfiqCykVh3RkY4GEBnFHGaLl7.nRK.I.Cn9Od3oNnHiwuD_C335XL3QPw2uyNH28lORje1cDVrrESlaUYa.iCt3n2ZRT3kaSm7hQQEIKzLNMy_4irae0bIuBiZN0ND7jPjdPwaetOhoe6fpQxLsVQ_WtrjsW6ocwoL06YKDo1u8YFPvNgRu8UqZNbAYsPqVFQBrdRI8eJtrU_MGVu2LlcLa61baSmgP9LAnTkzYWB348NKUnzG8ea_ITyq4uYMj5nREZaxp2CKa52QMyEkYfKrWMwEALhfHEQyFwtgwr0wDuKoqVMabDFylW12WKLVdXXxGjvEuZqKI9iohIQlve2D9PHbHA7u6bhKLTjbS5053S.9ifAINS7__13yCxU4dRJC8Clo_NDl1SqQqIdqpfdwSCBRTP5lsri_tdwcbqEiBO34R5GKrvCHfQgtsjwBlRAlJZmlnRm38RMpJRlWB8ODDH32m4nPh0YCet4owAxtlBu33lDh7ot_DjNnjUBKZtC0suO5FuE4O5uNtC1sM0LOmVmF2nrOEjPiW0CfAHmJj6_wHa4G.u9WQI1j2ZUEI289XCSriuAycB_l9yc18Yb2BAXJN.gSEJFka8PKjwFKKyG3fmSNX7AHg4E6e80o77wdUdSb0Ca1yf9sH_8Hh2FKjZ7MnIQlFgSDRAIo1SY58z_qCXYY",mdrd: "oTrOzDvuXxPfzCmoD3SglN5BWADNJQhgMjZziOyUciM-1739786772-1.2.1.1-S6mDSx4Oea70pkEMdhPIvADcW43rakhjqF8_s10KIwCeLeQ5rftBiGSwphhGxmxTSB8XimpcLXk0xkQkO6w2R.W42XTL6Q5NYB_HUHCf2.FMJeo4UTpEI7HKihksR3I1ZhF0S7cbHhEeN.CVsd8SaKK46JTx2jFZsA5LJD3Og.J6cq9yXIs5daAUYCmFat57UQgaXFQbMUHZqutEYHnA60GBj49BKt0gVBQAJ1EKJHosaaD.th4Z1epWAb58BNrHW4lIGcBln51SkUGLAGITfHsSmRQp1HPmvxx1gucbw_sYgVAcgfFHZTVMGHGxeCuP7FdrKJ.vDt1acS1TInLlwt2lxp3OFd7z6pN_8Qf73fqtxU8Q6zTQmZrl0fFQMMbKy4zu0Oedjxzz4pdPlx4NWirNFus2ez3mnP4502MvCIjuwtmTV1t4uiSn_O0VXdY5prOdYkYEL_ST9m8ufadNODy3_1nC21zpahRXpt0Zwox0MVgDNCPpfe8rVdvPGgsm6EJmnbzpCwXt_iIzgjLIw_a7pIIOe3wOC773iieeUOXRNcpxfvN8KjNUMAUunwr0wzSJRP_haSsnindhfj94OpF2ZoTmXRylj90EBsrLJm6gnAAzUfGTQwXMI_zPAh_7Evnp8WJVnm9OIGXXroR0Yh0RG3OwgUe1naBe1q13oHNpFDb0vXUKETkVdipxi5YTeeA_NKm8t6e0xizX_J5M7_ihPwh_mqsIoiL08EC_mJRGs0wgBnaf8Vx7AZFsLdy.h7Z1DeqWu7dAHlkfH6NWvX4LNk7KI2s7Pz_VcJAtwrFtpqlg_mr.mdT8OJM_IvEVpQUAE9jnN_qhAQByBVZZbiLKDTd.KzBMh3XSyO2I6qK4Gi3yMOyK1Cs0XHg3e_nsVfjOEBF1NCYjpQfz_LG.7FwXTgt19pBqJIppW32Lej8lShm2LcBjmNNDN5SLAK5VBWu5WME5rINJiGJonTaq9Cxqh0h_3hClBHb8IcP_5IRp5xqbiXCQpSpsLmcfyq011kfRuwM8NwHCZKZuhgUA4GlrLBU4bUQ_7tcJEV9MsYBeF0ZzfcxZKUrxsOiCkaht5UbB5tJlCb_a2x.uGga.hku.Vl4b6Tr43IoVGGKxfpPexuA7ZT527PuNJegp_sJSDh.b0MQQeXow7wb7l0iVbaz3bTT4V94Mh2gFFzCNzGTiPAHdC8Lo1LKz0C9WWKMSDg4Qz8Cv7ZgaO3NSRyCER7_6pRzVdPjxu_Ka5qSC5x8dNJPPJEYOitoqZ66bBWyqZEfyBu67sZbrvBITEJErmTMucgdXoRw5nY1AVXbND_rnUmlW1orFTRy6TYyCzApZUU2yAc.vXlt8B7adxDZH5P_PJenoWKf1oS1UYypMokuiKBHE9Ek6NNBy2WUCSC8mja0FgSswbtSoxA4ZJ7cKJ0510xUq2tkjFo.IVxiHoKbtV2fUbwJod6FaFQJ5GTd3ctg0XBTWRBuWFrTAE..hg8Zi9VgELXvuLuCfhb4u_Sz4kQQ3hdQ1hzIc5P5EWXNe5eDCoVqRZzcy_M_g4xk_7wIIhaUSnteRckblTj7dvOGBigAw1Fpkr1qR2Z8xp7Gm3qS2uM4ceJNKWaxfYOzRuyti_O5oeKaTXvwLWf4TYdmnyZsG8kShSpVrh0hkVPuvB82QvWqcJ0sUOOP6uXAEeWHjwXtkbSyITF7d3paMiDv7SCek5TLTqRM2vyxTjdhYgkwAgxqZuV3Wlkn7aablHrTbHzyWVCAp9dkNqv83bmMUaFkvZMb6FLJ4b1nKgriB3VM2rGOACJWYpdbV8o9C3Qk7HyBZJWOiSbl3uxhZZ9Dp6fVCho8_A6yQE_W9IDVSPfBFjonF7dCUIs1qkA0lPWipi9eeaVidwWkYOkhm9emql9TxDA_8uPfCHueZi4ddJwAMyzNe0DMOcZJzppnU8nHNd2H9Dyi7QNAqPdrluvNadZdxoD.INqLaocVgvpBKFPJaqpVeAJgzcKKZfNGTHQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134f6a2cddf5cd6';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=NPKS-fertilizers&__cf_chl_rt_tk=nntFYf6daI_SRdNtNvt1kRvOYTRTg7X4kzY_2TjcuGE-1739786772-1.0.1.1-kT7vyf4azv.7AplNLPuTT3jo60bUoGP3a7Eb18Gnc7Y" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>