Ukuze wandise ukusebenza kahle kokukhulelwa kwe-nitrogen, umanyolo ozinzile ungasiza. Sisho ukuthi yini engenzeka ezimeni ezomile naseminyakeni ejwayelekile.
Izimo zokukhulelwa kahle kwe-nitrogen zihluke kakhulu eJalimane. E-Lower Saxony, ngokwesibonelo, amanzi angakwazi ukuma emasimini, kuyilapho izinkambu zaseSaxony-Anhalt zome kakhulu futhi.
Ngaphezu kolwazi lwesayensi yezomhlabathi, izici zezolimo nezimo zezulu nezimo zokusebenza zaziyizinqumo ezifanele isu lokukhulelwa . Izinselelo ziyakhula. Ngakolunye uhlangothi, i- isimiso somanyolo kusebenza, ngakolunye uhlangothi, ukuguquka kwesimo sezulu kudala izinkinga.
Isu njengohlelo lwe-modular ngomanyolo ozinzile
Ukwandisa ukusebenza kahle kwe-nitrogen akulula kangako lapho isivuno siphezulu. Ucwaningo luthatha ukuxhumana okubalulekile igxathu negxathu ukuze kuqhutshekwe kuthuthukiswe amasu akhona.
I-SKW UPiesteritz uthembele kumasistimu we-modular. Bahlaziya izici zemvelo nezokusebenza. Amasu wokufaka umquba ahlukahlukene akhela phezu kwalokhu. "Ngemuva kwezinhlelo zethu zemoduli nakho konke okuhlangenwe nakho kwethu kusuka ocwaningweni oluningi, kumaphrojekthi ocwaningo, kumasifundisane nasezingxoxweni ezisebenzayo," kusho uDkt.Thomas Kreuter, oyiNhloko ye-Agricultural Application Research.
Inhlanganisela ye izinzile kanye nomanyolo wendabuko, ngaphansi kwezimo ezithile, angavula amathuba amakhulu. Isiqalo esizinzile sinciphisa ubungozi bokulahleka futhi sinikeze isitshalo ukutholakala okuhle kwe-nitrogen kusukela ekuqaleni kokukhula.
Nge i-ammonium- ukufakelwa okugcizelelwe akukho songo sokwanda ngokweqile kwezitendi. Lokhu kunciphisa ukulahleka kwe-nitrate noma igesi ngamaphesenti angama-40 kuya kwangama-75. Futhi uma amasheya aholelwa ngokuphelele kahle ezigabeni zakamuva zokukhiqizwa kwesivuno ngamasu azinzile, isicelo sendabuko sekwedlule isikhathi nakanjani singakha isiphetho, inqobo nje uma umthetho kamanyolo usakuvumela.
Ukuphendula ngokuhlelekile kusimo sezulu esibi kakhulu
Amasu alandelayo angenzeka ngonyaka wokukhulelwa nge evamile ukusatshalaliswa kwezulu:
- 60 ukuze 70 amaphesenti wemfuneko kamanyolo kukhishwe i-Nmin kukolweni wasebusika kumthamo wokuqala njenge-nitrogen ezinzile I-AlzonNeo-N, isibonelo, izuzisa.
- 30 ukuze 40 amaphesenti wemfuneko ku-BBCH 37 kuya ku-39 kumthamo wesibili onendabuko umanyolo we-nitrogen .
Isu eminyakeni eyomile
Phakathi ku eyomile unyaka nemvula encane kakhulu, lokhu kwehlukana kungenzeka:
- 70 ukuze 80 amaphesenti kususwe amaNmin njengokuzinza kokukhulelwa kusicelo sokuqala. Ekuhlolweni kwe-SKW, okwahlukahluka kokukhulelwa kokuqala ngaphambi kokuqala kwezimila ngokuvamile kwakuphakeme kakhulu ngoba kwakusenamanzi anele okutholakala ukuze amunce izakhamzimba ngaphambi kokuba ome,
- 0 ukuze 30 amaphesenti wemfuneko kamanyolo njengomthamo wesibili ku-BBCH 32 kuye ku-37. Umanyolo wesintu onjengoPiamon33-S ungasetshenziswa. Uma kunjalo yomile kakhulu futhi imvula ayibonakali, le dose yesibili kufanele ishiywe
Isidingo sezeluleko zikamanyolo siyanda kakhulu
Eminyakeni embalwa edlule isidingo sokwelulekwa ngochwepheshe sesikhuphukile, kusho uDkt. Izeluleko ezisungulwe kahle kufanele zifake ulwazi lomsebenzisi kucebo lokufaka umquba. Ukudluliswa kolwazi phakathi kwezeluleko ezisemthethweni, isayensi, ezolimo kanye nezimboni kubalulekile.
Ngo-2020 kuphela, iSKW Piesteritz yandisa izeluleko zochwepheshe ngamaphesenti ayi-15. Ukuhlolwa okuvela ku-2020 kukhombisa ukusebenzisana kwamasu wokufaka umanyolo ahlukahlukene ngezeluleko zomuntu siqu: EBarfelde, eLower Saxony, kwenziwa ukuhlolwa okuqondile ukuqhubekisela phambili izinhlelo ze-modular. Uma kuqhathaniswa nokukhulelwa kwendabuko, izinzuzo zokuvuna nokuncishwa kwe-nitrogen kulindeleke. Lokhu kusho ukuthi amasistimu we-modular abalulekile ekukhuliseni kahle i-nitrogen.