Single Super Phosphate mu Phosphate Feteleza
Single Super Phosphate (SSP), ndi feteleza wodziwika bwino wa phosphatic pambuyo pa DAP popeza ali ndi michere itatu ikuluikulu ya zomera zomwe ndi Phosphorus, Sulfur ndi Calcium pamodzi ndi kachulukidwe ka michere kakang'ono kambiri. SSP imapezeka m'dera lanu ndipo ikhoza kuperekedwa posachedwa. SSP ndi gwero labwino kwambiri lazakudya zitatu zamasamba. Chigawo cha P chimagwira m'nthaka mofanana ndi feteleza wina wosungunuka. Kukhalapo kwa zonse ziwiri P ndi sulfure(S) mu SSP zitha kukhala mwayi pazachuma pomwe zonse ziwirizi zikusowa. M’kafukufuku wa agronomic komwe SSP imasonyezedwa kuti ndiyoposa feteleza wina wa P, nthawi zambiri imakhala chifukwa cha S ndi/kapena Ca yomwe ili nayo. Ikapezeka kwanuko, SSP yapeza kugwiritsidwa ntchito mofala kwa kuthirira msipu komwe zonse P ndi S zimafunikira. Monga gwero la P yokha, SSP nthawi zambiri imawononga ndalama zambiri kuposa feteleza wina wokhazikika, chifukwa chake yatsika pakutchuka.
Single Superphosphate(SSP) inali feteleza woyamba wamalonda wazamalonda ndipo zidatsogolera ku chitukuko chamakampani amakono azomera. Izi kale zinali feteleza omwe amagwiritsidwa ntchito kwambiri, koma feteleza wina wa phosphorous(P) alowa m'malo mwa SSP chifukwa chokhala ndi P yochepa.
| Kanthu | Nkhani 1 | Zamkatimu 2 |
| Zonse P 2 O 5 % | 18.0% mphindi | 16.0% mphindi |
| P 2 O 5 % (Kusungunuka kwa Madzi): | 16.0% mphindi | 14.0% mphindi |
| Chinyezi | 5.0% kupitirira | 5.0% kupitirira |
| Free Acid: | 5.0% kupitirira | 5.0% kupitirira |
| Kukula | 1-4.75mm 90%/Ufa | 1-4.75mm 90%/Ufa |
Phosphate ndi imodzi mwazinthu zomwe zimafunikira kutsika kwa phosphoric acid, zomwe zimapitilira 30%. Ndi chimodzi mwazinthu zachilengedwe pafupifupi zakudya zonse. Monga chopangira chofunikira chazakudya komanso chowonjezera chogwira ntchito, phosphate imagwiritsidwa ntchito kwambiri pokonza chakudya. China ili ndi zinthu zambiri za phosphate ndi phosphate zopanga zazikulu. Pali mitundu pafupifupi 100 ndi mafotokozedwe azinthu za phosphate ndi phosphide, ndipo Zongsheng ili ndi mphamvu yopanga matani pafupifupi 10 miliyoni. The mankhwala waukulu ndi asidi phosphoric, sodium tripolyphosphate, sodium hexametaphosphate, chakudya mankwala, phosphorous trichloride, phosphorous oxychloride, etc.
Pakadali pano, kufunikira kwa zinthu zachikhalidwe za phosphate ku China ndikofooka. Traditional mankwala monga sodium tripolyphosphate adzayambitsa vuto la "eutrophication" m'madzi, zili sodium tripolyphosphate mu kutsuka ufa pang'onopang'ono kuchepa, ndipo mabizinesi ena pang'onopang'ono m'malo sodium tripolyphosphate ndi mankhwala ena, kuchepetsa kufunika kwa mafakitale kumtunda. Kumbali inayi, kufunikira kwa mankhwala abwino komanso apadera a phosphorous monga sing'anga komanso apamwamba kwambiri a phosphoric acid ndi phosphate (giredi yamagetsi ndi kalasi yazakudya), phosphorous pawiri ndi organic phosphate yakula kwambiri.
kulongedza katundu: 25kg muyezo katundu phukusi, nsalu PP thumba ndi Pe liner
Kusungirako: Sungani pamalo ozizira, owuma komanso mpweya wabwino
