Nutrient inotora curves
Nutrients inotora iri pakanyanya kwazvo panguva yekutakura tuber kumusoro (yakasimba vhoriyamu kuwedzera maitiro).
Huwandu hwezvakadyiwa hunobviswa nechirimwa chembatatisi chakada kufanana negoho. Kazhinji, kaviri goho rinoguma zvakapetwa kubviswa kwehutano. Nutrients inoda kuiswa zvakanyatsokwanisika kunzvimbo yekutora, kumberi, kana panguva iyo chirimwa chinoda. Kukundikana kuona kuti chirimwa chega chega chinowana chiyero chakaringana chemuviri chinogona kukanganisa mhando yezvirimwa uye kudzikisa goho.
Icho chinodikanwa chepamusoro che potassium, sezvakaratidzwa pamufananidzo 4, iri panguva yekukwiridzira kumusoro kweiyo tubers. Kutumbuka kwezvirimwa zvembatatisi chiratidzo kana danho iri morphological ratanga. Nekudaro, yakakodzera nguva yekupfekedza nguva neMulti-K ™ ichave iri panguva yetuber bulking nhanho.
Mufananidzo 4: Kutorwa kwemacronutrient inotorwa nemuti wese wembatatisi
Kwayaka: Harris (1978)
Zvinodikanwa zvezuva nezuva zvetaputi zvembatatisi panguva yekukwirisa nhanho ndeye 4.5 kg / ha N, 0.3 kg / ha P uye 6.0 kg / ha K. Potassium zvinodiwa zvembatatari tubers panguva yekukwikwidza yakakwira zvakanyanya sezvo ivo vachionekwa sevanoshamisira vatengi ye potasium. Kuwedzera kwezuva nezuva goho panguva yakakosha tuber kubhururuka danho rinogona kusvika 1000 - 1500 kg / ha / zuva Naizvozvo, zvakakosha kupa chinodiwa chemiti yezvirimwa panguva yetuber bulking danho mune chaiyo NPK ratio uye muhuwandu hwakawanda.
Mufananidzo 5: Kutora macro uye yechipiri zvinovaka muviri nemizambiringa uye machubhu emiti yematapiri inobereka 55 ton / ha
Kwayaka: Reiz, 1991
Mufananidzo 6: Kutora kwe micro-zvinovaka muviri nemizambiringa uye machubhu emiti yematapiri inobereka 55 ton / ha
2.2 Mabasa makuru ezve michero yemiti
Tafura 1: Pfupiso yemabasa makuru ezvirimwa zvemiti
Nutrient | mabasa |
Nitrogen (N) | Synthesis yemapuroteni (kukura uye goho). |
Phosphorus (P) | Cellular kupatsanurwa uye kuumbwa kwesimba masimba. |
Potassium (K) | Kufambisa kweshuga, stomata kutonga, cofactor yemazhinji enzymes, kunoderedza kugona kubatwa nezvirwere zvezvirimwa. |
Karusiyamu (Ca) | Chivakwa chikuru mumaseru maseru, uye chinoderedza kugona kubatwa nezvirwere. |
Sarufa (S) | Synthesis yeakakosha amino acids cystine uye methionine. |
Magnesium (Mg) | Chikamu chepakati cheklorophyll molecule. |
Simbi (Fe) | Chlorophyll synthesis. |
Manganese (Mn) | Zvinotarisirwa muitiro wephotosynthesis. |
Boroni (B) | Kuumbwa kwesero rusvingo. Kumera uye kukwirisa kwepoleni chubhu. Inotora chikamu mune metabolism uye kutakura shuga. |
Zinc (Zn) | Auxins synthesis. |
Copper (Cu) | Maitiro mune metabolism yenitrogen uye makabhohaidhiretsi. |
Molybdenum (Mo) | Chikamu che nitrate-reductase uye nitrogenase enzymes. |
Tafura 2: Mhedzisiro yezvinovaka muviri uye sosi ye potassium pahunhu hwegoho
Parameter | Wedzera muyero ye | Kushanda kweKCl mukuenzanisa nekloride-isina K (-Cl) | ||
Nitrogen | Phosphorus | Potassium | ||
Saizi Tuber | ↑ | Hapana mhedzisiro | ↑ | Chloride-isina K inobatsira kuwedzera saizi |
Kunzwisisa kune kukuvara kwemagetsi | ↑ | ↓ | ↓ | Hapana ruzivo |
Tuber kusviba 1 | ↑ | Hapana mhedzisiro | Hapana mhedzisiro | KCl inoshanda kupfuura (-Cl) |
% yakaoma nyaya 2 | ↓ | ↑Zvishoma mhedzisiro | ↑ | Dzimwe nhepfenyuro dzinoti kuneta kunyorera kweKCl kunogona kukonzeresa chinhu chepasi chakaoma, izvi zvinogona kunge zvichikonzerwa nekloride mhedzisiro |
% starch 3 | ↓ | ↑ | ↑ | Dzimwe nhepfenyuro dzinoti kuneta kunyorera kweKCl kunogona kukonzeresa chinhu chepasi chakaoma, izvi zvinogona kunge zvichikonzerwa nekloride maitiro |
% mapuroteni | ↑ | ↓ | Mhedzisiro inokanganisa | Chloride-isina K inobatsira kuwedzera zvirimo |
% kudzikisa shuga | Hazvipindirani | ↑ | ↓ | Hapana mutsauko |
manakiro | ↓ | ↑ | Hapana mhedzisiro | Chloride-isina K iri nani |
Kusviba mushure mekubika | ↑ | Hapana mhedzisiro |
1 Kusviba kunokonzerwa neiyo oxidation ye phenol makompuru kana ganda raonekwa.
2 Iyo yakakwira muzana chikamu chakaomeswa chinhu chinodiwa mu mbatatisi yeindasitiri.
3 Kukwirira kwakanyanya kunodiwa. Hunhu hunoenderana nehuremu hwesimba.
Nitrogen (N)
Kukwana N manejimendi ndechimwe chezvinhu zvakakosha zvinodiwa kuwana goho repamusoro (Fig. 7) yemhando yepamusoro mbatatisi. Mwaka wakaringana wekutanga N kupihwa kwakakosha kutsigira kukura kwezvirimwa.
Mufananidzo 7: Mhedzisiro ye nitrogen (N) pane goho rembatatisi
Ivhu rakawandisa N, rinoiswa mukupera kwemwaka kunonoka kukura kwematubhu uye zvinokonzeresa kuseta kweganda, izvo zvinokuvadza hunhu hwetuber uye zvivakwa zvekuchengetedza. Mbatatisi chirimwa chisina kudzika-kudzika, chinowanzo kukura pavhu rine jecha, rakanyoroveswa. Aya mavhu mamiriro ezvinhu anowanzoita kuti mvura uye N manejimendi zviome sezvo nitrate iri nyore kune leaching kurasikirwa. Paivhu rejecha iri, zvinokurudzirwa kuti mbatatisi iwane kupatsanurwa kweN panguva yekukura. Izvi zvinosanganisira kuisa imwe yeiyo N inodikanwa usati wadyara nekuisa zvakasara mumwaka nemashandisirwo emadhirezi kana kuburikidza nehurongwa hwekudiridzira neNutrigation ™ (fertigation).
Iyo nguva yekukwirisa N kudiwa inosiyana nemhando dzakasiyana dzembatatisi uye inoenderana nemhando dzekurima, senge kuwanda kwemidzi uye nguva yekukura. Petiole ongororo panguva yekukura chishandiso chinobatsira, zvichibvumira varimi kuona N mamiriro echirimwa uye kupindura nenzira yakakodzera nezvakakodzera zvinovaka muviri.
Chiyero chakaringana cheammonium / nitrate chakakosha kwazvo panguva yekudyara. Yakawandisa ammonium-nitrogen yakashata sezvo ichideredza midzi-zone pH uye nekudaro inosimudzira chirwere cheRhizoctonia. Nitrate-nitrogen inowedzera kutora kwecations senge calcium, potasium uye magnesium, inodikanwa kune yakakwira yakatarwa giravhiti kukosha.
Mufananidzo 8: Mhinduro yehukama yekukura kwembatatisi kune iyo nitrate-ammonium kuwanda mune inogadzirisika mhinduro
Pa12 mM yeN, zvirimwa zvakaratidza mukati me ammonium chepfu neNH4+ zvinovaka muviri, asi kukura zvine hutano pamwe NO3- zvinovaka muviri. Nekudaro, kunyatso kutonga kweNH4+ kuisa mukati kwakakosha kudzora ammonium chepfu kumiti yemazamu.
Mufananidzo 9: Mhedzisiro yeNitrate / Ammonium reshiyo uye N chiyero pane yakazara goho reUTD tubers
Kwayaka: Miriwo & Zvibereko, Kukadzi / Kurume, 2000. Chamhembe Afrika
Kuongorora kweNitrogen
Kuyedza kwevhu kusvika pakadzika 60 cm. mumatsutso kwakakosha pakuronga inoshanda uye inoshanda N manejimendi chirongwa. Sampuli dzevhu mushure mekukohwa dzinogona kubatsira varimi kusarudza zvirimwa zvinotevera, zvinozoshandisa zvakanyanya masara eN mushure mekurima mbatatisi.
Iyo nitrogen inodiwa nechirimwa panguva yekutakura tuber inogona kunge iri 2.2 kusvika 3.0 kg / ha / zuva. Petiole nitrate sampling inobvumira mu-mwaka kuongorora mamiriro eiyo michero yezvirimwa. Kuunganidza iyo 4th petiole kubva pamakumi matatu kusvika makumi mashanu mbeu dzakasarudzika mumunda wese (Fig. 30) inokurudzirwa. Masampuli enyama anowanzo kuunganidzwa vhiki nevhiki kuteedzera shanduko mumatanho eitrate, uye kuronga zvekuwedzera mafetiraiza, kana mwero ikadzika pasi pazvakaringana.
Yakakosha petiole nitrate-mazinga anoderera sezvo chirimwa chembatatisi chinokura nekukura. Kazhinji, petiole nitrate-N mazinga patuber kubhururuka ari <10,000 ppm = yakaderera, 10,000-15,000 ppm = yepakati,> 15,000 ppm = yakakwana. (Mufananidzo 11)
Mufananidzo 10: Chimiro cheshizha rechina pamuti wembatatisi
Mufananidzo 11: Dudziro yeN-NO3 mazinga mumapotato petioles pamatanho akasiyana ekukura
Phosphorus (P)
Phosphorus yakakosha kumidzi yekutanga uye kukura kwekupfura, ichipa simba pamaitiro emiti senge kutora uye kutakura. Midzi inotora phosphate ions chete kana yanyungudutswa muvhu remvura. Kushomeka kwePhosphorus kunogona kuitika kunyangwe muvhu riine yakawanda P, kana kusanaya kwemvura, tembiricha yakaderera, kana chirwere chinokanganisa kupararira kwaP kumudzi, kuburikidza nemhinduro yevhu. Uku kushomeka kunoguma nekukanganisa midzi kukura uye kukwana basa.
Padanho rekutanga re tuber, kugoverwa kwakakwana kwe phosphorus kunova nechokwadi chekuti huwandu hwakanakisa hwe ma tubers hunoumbwa. Kutevera iyo tuber yekutanga, phosphorus chinhu chakakosha kune starch synthesis, kutakura uye kuchengetedza.
Ongororo ichangoburwa inoratidza kuti kugadziridzwa kweP fetiraiza, senge zvinowedzera ma polymer, zvinhu zvine humhu, uye machira zvinogona kubatsira mukuvandudza kutora kweP nekugadzira mbatatisi.
Potassium (K)
Zvirimwa zvembatatari zvinotora huwandu hwakawanda hwe potassium munguva yekukura. Potasium ine basa rakakosha mukudzora chimiro chemvura yemichero uye yemukati ionic kusungwa kwemasuru emiti, ichinyanya kutarisisa mashandiro epamuviri.
Potassium inotora chikamu chakakura mukuita kwekudzikisa nitrate mukati memuti. Iko kwakakura (eg> 400 kg / ha K2O) inofanirwa kuiswa, mune yakadzikama mamiriro zvinokurudzirwa kupatsanura madhirezi 6-8 mavhiki akapatsanurwa.
Mbatatisi inoda huwandu hwakawanda hwevhu K, sezvo ichi chikafu chakakosha pamabasa ekugadzirisa muviri senge kufamba kweshuga kubva pamashizha kuenda kune tubers uye shanduko yeshuga kuita starch yemazamu. Kushomeka kwe potassium kunoderedza goho, kukura, uye mhando yechirimwa chembatatisi. Kushaikwa kwevhu rakaringana K kunosanganisirwa nehuremu hwakadzama hwembatatisi.
Potassium kushomeka kunokanganisa kuramba kwechirimwa kuzvirwere uye kugona kwayo kutsungirira kushushikana senge kusanaya uye chando. Kuisa fetiraiza yeK nechishambadziro usati wasima ndiyo inowanzokurudzirwa. Kana iyo K yakashandiswa-bhendi, iyo mitero inofanirwa kuchengetwa pazasi pe45 kg K2O / ha kudzivirira chero kukuvara kwemunyu kune anokura anokura.
Kusarudzwa kweakanakisa K fetiraiza
Kwayakabva potassium inoita basa rakakosha pahunhu uye goho rembatatari tubers. Nekuenzanisa zviwanikwa zvakasiyana zveK, Multi-K ™ potassium nitrate yakawanikwa ichiwedzera chinhu chakaoma chiripo uye goho rakakwira zvakanyanya kupfuura mamwe manyuko eK (Fig. 12 & 13). Ichi chidzidzo chakaitwa pamarimwa akasiyana uye ese akapindura neakakwira tuber goho kurapa kweMulti-K ™ kurapwa (Fig 14).
Mufananidzo 12: Mhedzisiro yemafotiraiza akasiyanasiyana pane goho rezvirimwa
Kwayaka: Reiz, 1991
Mufananidzo 13: Mhedzisiro yemafotiraiza akasiyanasiyana pane yakaoma nyaya iri mune mbatatari tubers
Kwayaka: Reiz, 1991
Mufananidzo 14: Mhedzisiro yemafotiraiza ehukama akasiyana pane goho rembatatisi yemarimi akasiyana siyana
Kwayaka: Bester, 1986
Kukweva kwakananga kwembatatisi uye ruvara rwemachipisi kwakakosha ma parameter ekugadziriswa kwemaindasitiri indasitiri. Ose ma parameter aya ari kudaira zvakanaka kune Multi-K ™ potassium nitrate mishonga kana ichienzaniswa nemamwe manyowa eK fertilizer (Fig. 15, 16).
Mufananidzo 15: Mhedzisiro yemafotiraiza akasiyanasiyana echipisi pane chiyero chevaravara
Kwayaka: Reiz, 1991
Mufananidzo 16: Mhedzisiro yemafotiraiza akasiyanasiyana pahunhu hwesimba rembatatisi
Kwayaka: Reiz, 1991
Kunze kwekunakirwa kweMulti-K ™ pahunhu uye goho rembatatari, inovandudza zvakare hupenyu hwesherufu hwemidziyo iri mudura (Fig. 17).
Mufananidzo 17: Mhedzisiro yeakasiyana mafertilis ekurasika kwesimba nekufamba kwenguva (@ 20oC, RH 66%)
Kwayaka: Bester (1986)
Karusiyamu (Ca)
Calcium chinhu chakakosha chemaseru maseru, ichibatsira kuvaka chimiro chakasimba uye kuona kugadzikana kwesero. Karusiyamu-yakasimbiswa masero maseru anonyanya kupokana nehutachiona kana fungal kurwisa. Calcium inobatsirawo simiti kujairana nekushushikana nekufurira chiratidzo cheni kuita kana kushushikana kukaitika. Iyo zvakare ine basa rakakosha mukugadzirisa iko kushanya kwekutakura kwe potassium yekuvhura kwesimba.
Magnesium (Mg)
Magnesium ine chinzvimbo chakakosha muphotosynthesis, sezvo maatomu ayo aripo pakati peimwe neimwe chlorophyll molecule. Inobatanidzwawo mumatanho akakosha akasiyana eshuga uye mapuroteni kugadzirwa pamwe nekutakurwa kweshuga muchimiro cheshuro kubva pamashizha kuenda kune tubers.
Goho rinowedzera kusvika kusvika gumi muzana rakawanikwa mumiyedzo umo kuiswa kwakajairika kwe magnesium fetiraiza kwave kuitwa.
Sarufa (S)
Sulphur inoderedza mwero weakajairika uye upfu hweganda. Izvi zvinoenderana nekuderedzwa kwevhu pH uko sarufa inoiswa muchimiro chayo chepakutanga.
2.3 Matambudziko ehutano mune mbatatisi
Nitrogen
Kushayikwa kweNitrogen kunoratidzwa nekudzora kukura mashizha akacheneruka, uye zvinoguma nekudzikisira goho rehuku (saizi nenhamba). Kushomeka kunowedzerwa neivhu rekuwedzera pH (yakaderera kana yakakwira), yakaderera organic zvinhu, kusanaya kwemvura kana kudiridza kwakanyanya (Fig. 18).
Nitrogen yakawandisa inokonzeresa kunonoka kukura, kuwanda kwepamusoro kukura, mhango yemoyo & kukura kutsemuka, kuwedzerwa kubata kune hutachiona hwehutachiona, yakaderedza tuber yakatarwa giravhiti uye kuoma mumuzambiringa 'kupisa' pamberi pekukohwa.
Mufananidzo 18: Hunhu hwe nitrogen (N) kushomeka kwezviratidzo
Phosphorus
Zviratidzo uye syndroms zvine chekuita nekushomeka kwe phosphorus ndezvi: mashoma ma tubers, madiki madiki, zvinomera zvakaomarara, yero yemashizha akura, mashizha madiki akasvibira madiki (Fig. 19) .P kushomeka kunotungamira pakuderedza simba rekutanga, kunonoka kukura uye kuderera kwegoho.
Kuwedzeredza phosphorus, kana iripo, inosunga zvimwe zvinhu zvakaita secalcium uye zinc, zvichikonzera kusakwana kwavo.
Mufananidzo 19: Hunhu phosphorus (P) kushomeka zviratidzo
Potassium
Potassium inoshomeka inotora kutorwa kweNitrogen, inodzora kukura kwezvirimwa uye inotungamira kudzikisa goho, yakaderera mhando, uye husina kumira zvakanaka hwezvirwere. Zviratidzo zveK kushomeka ndeye necrosis yemashizha emahara, kusati kwatanga mashizha senescence (Fig. 20)
Yakawandisa potassium inokonzeresa kudzikisira tuber yakatarwa giravhiti uye yakaderedza calcium uye / kana magnesium kutora. Inodzikisirawo chimiro chevhu.
Mufananidzo 20: Hunhu potasium (K) kushomeka kwezviratidzo
karusiyamu
Kushaikwa kweCalcium kunokanganisa kukura kwemidzi, kunokonzeresa kushomeka kwemazano ekukura kwemashizha, uye kunogona kukonzera kuderera kwegoho uye husina kunaka mhando. Calcium-inoshomeka mbatatari tubers yakaderedza kugona kwekuchengetedza. Kudzika kwe calcium muvhu kunoguma nehurombo hwevhu mamiriro.
Chaiwo zviratidzo zvekushomeka kwecalcium mashizha akatsvuka akapetwa pamashizha ekumusoro, kutsva kwetipi, uye madiki madiki echlorotic. (Mufananidzo 21)
Kuwedzeredza calcium kunoguma nekudzikisira kukwidzwa kwemagesium, nezviratidzo zvine chekuita nekushomeka kwemagesium.
Mufananidzo 21: Hunhu hwecalcium (Ca) kushomeka zviratidzo
Magnesium
Sezvo magnesium iri chinhu chakakosha muphotosynthesis, mwero wayo unodzikira pasi pemamiriro ekushomeka kwemagesium, zvichikonzera Kuderedzwa kwetuber kuumbwa uye goho rakaderera. Kushaikwa kwakanyanya kwemagesium kunogona kudzora goho kusvika pa15%. Magnesium-inoshomeka tubers inokuvara zvakanyanya panguva yekusimudza uye yekuchengetedza.
Zviratidzo zvekushomeka: Mashizha anowana yero uye shava; Mashizha achaoma ndokufa; Zvirimwa zvakadzikira, kutanga kwekukura kwezvirimwa; Kupera kweganda kupera kweiyo tubers. (Mufananidzo 22)
Kuwanda kwemagesium kunoguma nekudzikiswa kwekutorwa kwecalcium, ine zviratidzo zvine chekuita nekushomeka kwecalcium.
Mufananidzo 22: Hunhu magnesium (Mg) kushomeka kwezviratidzo
Sulfur
Sulphur (S) kushomeka kunokonzera kuderedzwa kukura, uye mashizha anova akacheneruka girini kana yero. Nhamba yemashizha yakaderedzwa. (Mufananidzo 23)
Mufananidzo 23: Hunhu hwesarufa (S) kushomeka kwezviratidzo
simbi
Pasi pekushomeka kweIron (Fe), nzvimbo dzinopindirana dzinowana chlorotic nepo tsinga dzichiramba dzakasvibira. Mumamiriro ekushomeka kwakakomba, iro zhizha rose chlorotic. (Mufananidzo 24). Zviratidzo zvekushomeka kwesimbi zvinotanga kuoneka pamashizha madiki.
Mufananidzo 24: Hunhu Iron (Fe) kushomeka zviratidzo
Boron
Boron (B) inodzora kutakuriswa kweshuga kuburikidza nemakunduru, uye zvakare inoita basa rakakosha mukuparadzaniswa kwemasero, kukura kwesero uye auxin metabolism.
Pasi pemamiriro ekushomeka kweboron inomera inokura, uye zvirimwa zvinoratidzika kunge zvakasviba, zvine mapfupi internode. Inosiya kukora uye kumonera kumusoro; mashizha emashizha anosviba uye anodonha. Brown necrotic patches inoonekwa pane tubers, uye yemukati ngura nzvimbo inoumbwa. (Mufananidzo 25)
Mufananidzo 25: Hunhu Boron (B) kushomeka kwezviratidzo
mhangura
Pasi pemhangura (Cu) kushomeka kwemashizha madiki anova asina kusimba uye akasvava, mabota ekupedzisira anodonha pamaruva budiriro, uye matipi emashizha anova necrotic (Fig. 26).
Mufananidzo 26: Hunhu Boron (B) kushomeka kwezviratidzo
zen'e
Zinc inoshomeka zviratidzo: Mashoma madiki anova chlorotic (yakajeka girini kana yero), yakatetepa, kumusoro-yakaputirwa uye kugadzira tip-kupisa. Zvimwe zviratidzo zvemashizha mitsipa yakasvibirira, kuona nemaviri akafa, kubvarura, uye kumira kwakamira. (Mufananidzo 27)
Mufananidzo 27: Hunhu hweZinc (Zn) kushomeka kwezviratidzo
Manganese
Manganese (Mn) kushomeka kwezviratidzo: dema kana shava mavara pamashizha madiki; mashizha ejena; kupera kweganda kupera kweiyo tubers (Fig. 28). Tubers zvinonyanya kukuvara panguva yekusimudza uye yekuchengetedza.
Mufananidzo 28: Hunhu manganese (Mn) kushomeka kwezviratidzo
Tafura 8: Mareferenzi mazinga ega ega ega zvinovaka muviri padanho remuti:
Mushonga (%) | Zvakakwana | Low | Normal | High | Zvakawandisa |
Nitrogen (N) | <4.2 | 4.2-4.9 | 5.0-6.5 | > 6.5 | |
Phosphorus (P) | 0.23-0.29 | 0.3-0.55 | > 0.6 | ||
Potassium (K) | 3.3-3.9 | 4.0-6.5 | 6.5-7.0 | > 7.0 | |
Karusiyamu (Ca) | 0.6-0.8 | 0.8-2 | > 2.0 | ||
Magnesium (Mg) | 0.22-0.24 | 0.25-0.5 | > 0.5 | ||
Sarufa (S) | 0.30-0.50 |
Chikafu (ppm) | Zvakakwana | Low | Normal | High | Zvakawandisa |
Copper (Cu) | <3 | 3.0 -5.0 | 5.0 -20 | 30-100 | |
Zinc (Zn) | 15-19 | 20-50 | |||
Manganese (Mn) | 20-30 | 50-300 | 700-800 | > 800 | |
Simbi (Fe) | 50-150 | ||||
Boroni (B) | 18-24 | 30-60 | |||
Sodium (Na) | 0-0.4 | > 0.4 | |||
Chloride (Cl) | 0-3.0 | 3.0-3.5 | > 3.5 |
2.5 Dyara zvinodiwa nehutano
Tafura 9: Zvinoenderana nezvinodiwa nembatatisi
Chinotarisirwa goho (ton / ha) | Kubviswa ne goho (kg / ha) | Sarudza nemuti wese (kg / ha) | ||||||||
N | P2O5 | K2O | Cao | MgO | N | P2O5 | K2O | Cao | MgO | |
20 | 38 | 18 | 102 | 2 | 2 | 105 | 28 | 146 | 29 | 19 |
40 | 76 | 36 | 204 | 4 | 4 | 171 | 50 | 266 | 42 | 28 |
60 | 114 | 54 | 306 | 6 | 6 | 237 | 72 | 386 | 55 | 37 |
80 | 152 | 72 | 408 | 8 | 8 | 303 | 95 | 506 | 68 | 46 |
100 | 190 | 90 | 510 | 10 | 10 | 369 | 117 | 626 | 82 | 55 |
110 | 209 | 99 | 561 | 11 | 11 | 402 | 128 | 686 | 88 | 59 |