Växtnäring till potatis - Lyckeby Industrial AB

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Innehållsförteckning INTRODUKTION ....................................................................................................................................................... 9 Syfte och mål ................................................................................................................................................. 9 BAKGRUND .......................................................................................................................................................... 10 Sveriges <strong>potatis</strong>produktion .......................................................................................................................... 10 Grödans näringsinnehåll .............................................................................................................................. 11 <strong>Växtnäring</strong> ................................................................................................................................................... 11 Makro-, mikro och hjälpnäringsämnen .................................................................................................................... 11 Potatisens näringsbehov .......................................................................................................................................... 12 Analysmetoder ......................................................................................................................................................... 12 Gödsel och gödning .................................................................................................................................................. 14 MAKRONÄRINGSÄMNENAS PÅVERKAN PÅ POTATIS ....................................................................................................... 17 Kväve (N) ..................................................................................................................................................... 17 Funktion ................................................................................................................................................................... 18 Upptag ...................................................................................................................................................................... 18 Skördepåverkan ........................................................................................................................................................ 20 Sjukdomar och kvalitet ............................................................................................................................................. 21 Analysmetod............................................................................................................................................................. 22 Gödslingsstrategier ................................................................................................................................................... 24 Synergi och antagoni ................................................................................................................................................ 25 Fosfor (P) ..................................................................................................................................................... 26 Funktion ................................................................................................................................................................... 26 Upptag ...................................................................................................................................................................... 26 Skördepåverkan ........................................................................................................................................................ 27 Sjukdomar och kvalitet ............................................................................................................................................. 28 Analysmetod............................................................................................................................................................. 29 Gödslingsstrategi ...................................................................................................................................................... 30 Synergi och antagoni ................................................................................................................................................ 34 Kalium (K) .................................................................................................................................................... 34 Funktion ................................................................................................................................................................... 35 Upptag ...................................................................................................................................................................... 36 Skördepåverkan ........................................................................................................................................................ 37 Sjukdomar och kvalitet ............................................................................................................................................. 39 Analysmetod............................................................................................................................................................. 40 Gödslingsstrategi ...................................................................................................................................................... 41 Synergi och antagoni ................................................................................................................................................ 42 Kalcium (Ca) ................................................................................................................................................. 43 Funktion ................................................................................................................................................................... 43 Upptag ...................................................................................................................................................................... 43 Skördepåverkan ........................................................................................................................................................ 44 Sjukdomar och kvalitet ............................................................................................................................................. 45 Analysmetod............................................................................................................................................................. 46 Gödslingsstrategi ...................................................................................................................................................... 46 Synergi och antagoni ................................................................................................................................................ 47 Svavel (S) ...................................................................................................................................................... 48 Funktion ................................................................................................................................................................... 48 Upptag ...................................................................................................................................................................... 48 Skördepåverkan ........................................................................................................................................................ 49 Sjukdomar och kvalitet ............................................................................................................................................. 50 Analysmetod............................................................................................................................................................. 50 Gödslingsstrategi ...................................................................................................................................................... 51 Växtföljd ................................................................................................................................................................... 51 Synergi och antagoni ................................................................................................................................................ 52 Magnesium (Mg) ......................................................................................................................................... 52 Funktion ................................................................................................................................................................... 52 Upptag ...................................................................................................................................................................... 53 Skördepåverkan ........................................................................................................................................................ 53 Sjukdomar och kvalitet ............................................................................................................................................. 54 Analysmetod............................................................................................................................................................. 55 Gödslingsstrategi ...................................................................................................................................................... 55 6
Synergi och antagoni ................................................................................................................................................ 56 MIKRONÄRINGSÄMNENAS PÅVERKAN PÅ POTATIS ........................................................................................................ 57 Järn (Fe) ....................................................................................................................................................... 57 Funktion ................................................................................................................................................................... 57 Upptag ...................................................................................................................................................................... 57 Skördepåverkan ........................................................................................................................................................ 58 Sjukdomar och kvalitet ............................................................................................................................................. 58 Analysmetod............................................................................................................................................................. 58 Gödslingsstrategi ...................................................................................................................................................... 59 Synergi och antagoni ................................................................................................................................................ 59 Mangan (Mn)............................................................................................................................................... 59 Funktion ................................................................................................................................................................... 60 Upptag ...................................................................................................................................................................... 60 Skördepåverkan ........................................................................................................................................................ 60 Sjukdomar och kvalitet ............................................................................................................................................. 61 Analysmetod............................................................................................................................................................. 61 Gödslingsstrategi ...................................................................................................................................................... 62 Synergi och antagoni ................................................................................................................................................ 62 Bor (B) .......................................................................................................................................................... 62 Funktion ................................................................................................................................................................... 63 Upptag ...................................................................................................................................................................... 63 Skördepåverkan ........................................................................................................................................................ 64 Sjukdomar och kvalitet ............................................................................................................................................. 64 Analysmetod............................................................................................................................................................. 64 Gödslingsstrategi ...................................................................................................................................................... 65 Synergi och antagoni ................................................................................................................................................ 66 Zink (Zn) ....................................................................................................................................................... 66 Funktion ................................................................................................................................................................... 66 Upptag ...................................................................................................................................................................... 66 Skördepåverkan ........................................................................................................................................................ 67 Sjukdomar och kvalitet ............................................................................................................................................. 67 Analysmetod............................................................................................................................................................. 67 Gödslingsstrategi ...................................................................................................................................................... 67 Synergi och antagoni ................................................................................................................................................ 68 Koppar (Cu) .................................................................................................................................................. 68 Funktion ................................................................................................................................................................... 69 Upptag ...................................................................................................................................................................... 69 Sjukdomar och kvalitet ............................................................................................................................................. 69 Analysmetod............................................................................................................................................................. 69 Gödslingsstrategi ...................................................................................................................................................... 70 Synergi och antagoni ................................................................................................................................................ 70 Molybden (Mo) ............................................................................................................................................ 70 Funktion ................................................................................................................................................................... 70 Upptag ...................................................................................................................................................................... 70 Sjukdomar och kvalitet ............................................................................................................................................. 71 Analysmetod............................................................................................................................................................. 71 Gödslingsstrategi ...................................................................................................................................................... 71 Synergi och antagoni ................................................................................................................................................ 72 Klor (Cl) ........................................................................................................................................................ 72 Funktion ................................................................................................................................................................... 72 Upptag ...................................................................................................................................................................... 72 Skördepåverkan ........................................................................................................................................................ 73 Sjukdomar och kvalitet ............................................................................................................................................. 73 Analysmetod............................................................................................................................................................. 74 Gödslingsstrategi ...................................................................................................................................................... 74 Synergi och antagoni ................................................................................................................................................ 74 Nickel (Ni) .................................................................................................................................................... 74 Inledning ................................................................................................................................................................... 74 Funktion ................................................................................................................................................................... 75 Upptag ...................................................................................................................................................................... 75 Skördepåverkan ........................................................................................................................................................ 75 Gödslingsstrategi ...................................................................................................................................................... 75 Synergi och antagoni ................................................................................................................................................ 75 HJÄLPÄMNENAS PÅVERKAN PÅ POTATIS ..................................................................................................................... 76 7
Page 1 and 2: Landskap Trädgård Jordbruk Växtn
Page 3 and 4: Förord Näringstillförsel till po
Page 5: Magnesium behövs i ännu mindre om
Page 9 and 10: Introduktion Potatisplantans upptag
Page 11 and 12: Grödans näringsinnehåll Potatis
Page 13 and 14: det värdet som är avgörande när
Page 15 and 16: med markvätskan om mineraliseringe
Page 17 and 18: Enligt de senare undersökningarna
Page 19 and 20: sker via kontrollerad diffusion[61]
Page 21 and 22: kväve är unik för varje sort och
Page 23 and 24: För att optimera kvävetillförsel
Page 25 and 26: i de flesta fall via droppslang vil
Page 27 and 28: undersidan av bladet. Vid brist på
Page 29 and 30: Ett problem forskare måste hantera
Page 31 and 32: kan beskrivas som sortens förmåga
Page 33 and 34: kan exempelvis vara i kalla mulljor
Page 35 and 36: [217]. I mineraljordar är kalium e
Page 37 and 38: Läckage Det kalium som inte tas up
Page 39 and 40: Stärkelsehalt (%) 21 20,5 20 19,5
Page 41 and 42: Tabell 8. Jordens klass i fem steg
Page 43 and 44: På samma sätt som kalium påverka
Page 45 and 46: Sjukdomar och kvalitet Rostfläckig
Page 47 and 48: knölen [142]. Det beror som sagt t
Page 49 and 50: snabbast när temperaturen är öve
Page 51 and 52: Gödslingsstrategi Svavel behövs i
Page 53 and 54: magnesium och ämnet behövs även
Page 55 and 56: Analysmetod Jordanalys Magnesium ka
Page 57 and 58:
Mikronäringsämnenas påverkan på
Page 59 and 60:
hög, för att tillfredsställa pot
Page 61 and 62:
sjönk skördenivån, knölantal oc
Page 63 and 64:
Funktion Plantan behöver bor för
Page 65 and 66:
flera näringsämnen kan analyseras
Page 67 and 68:
För att minska problem med zinktox
Page 69 and 70:
Funktion Koppar är en byggsten i k
Page 71 and 72:
Det är framför allt vissa utdikad
Page 73 and 74:
överstiger 12 mg Cl/g (DM) [235].
Page 75 and 76:
Funktion Nickel är en essentiell k
Page 77 and 78:
Skördepåverkan Skördenivå och s
Page 79 and 80:
Kobolt kan stimulera potatisens til
Page 81 and 82:
24. Addiscott, T., Potassium and th
Page 83 and 84:
67. Ojala, J., J. Stark, and G. Kle
Page 85 and 86:
109. Lambert, D., Powelson, ML and
Page 87 and 88:
151. Bilsky, J.J., Nelson, D.C. and
Page 89 and 90:
193. Rocha, F., et al., Critical ph
Page 91 and 92:
236. Wright, K. and K. Oparka, Hexo
Page 93 and 94:
278. Cother, E. and B. Cullis, The
Page 95 and 96:
319. Rogozińska, I., et al., The e
Page 97 and 98:
362. Burgos, G., et al., Iron and z
Page 99:
403. Juzl, M., Analysis of differen
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