Sera shine mafi kyawun abinci na huɗu a cikin samarwa na alkama bayan nitrogen, phosphorus da potassium. A baya can, tsire-tsire suna da 'yancin isar da sulfur a kan filayen ta hanyar gurbataccen ruwan sama, amma kamar yadda sassan dinki ya inganta adadin ruwan sama, ya ragu sosai. Kuma agrusansan agrais suna cokali don takin mai launin toka, tun in ba haka ba na yawan al'adu zai iya raguwa, yana gaya wa Bill Spegel a cikin labarin akan tashar yanar gizo.
Rashin ƙarancin sulfur a alkama kamar wannan.
"A matsayinka na mai mulki, alkama tare da raunin sulfur ji hauhawar da aka saukar da shi a baya, - Specier Speciist daga Jami'ar Kansas. - Kuna iya ganin yankuna tare da rashi sulfur a kan fi na tuddai ko gangara inda lalacewa ta faru da kuma lalacewa a inda lalacewa ta faru da kuma abubuwan da ke tattare da abubuwan halitta suka ragu. Ko alkama a cikin wuraren da aka cire saman ƙasa na ƙasa ko yankan, terred ko filayen da aka ɗora - alkama da aka yanka - alkama shuka. "
"Lura: Rashin karancin s in girma amfanin gona yawanci kuskure ne don rashin nitrogen (n). Koyaya, ba kamar rashi nitrogen ba, lokacin da tsofaffin ganye suke "ƙonewa" da rawaya, tare da karancin launin shuɗi, launuka masu launin shuɗi suna bayyana da farko a kan matasa ko saman ganye. Alkalin alkama tare da rashi na s ƙarshe ya zama chlorobic, "ya bayyana Rui Diz Diiz Diz.
Rashin ƙarancin sulfur a cikin alkama ya bayyana da wuri a cikin bazara, kafin kwayoyin halitta s an yi min dallaɗa daga cikin alkama na kasar, kuma kafin tushen alkama na iya shuka zurfi ga amfani da kowane salas S (sulfate).
"Rashin sulfur galibi yana da wuya a gane, saboda chororosis ba koyaushe a bayyane yake ba," Ruiz Dai yayi kashedin. - Al'adu tare da rashi na sulfur kuma zai iya zama low, bakin ciki-sikelin kuma spindle-dimbin yawa. Game da alkama da sauran albarkatun hatsi, maturation an jinkirta. Hakanan an karfafa gasar tseren na shekara-shekara na ciyayi na hunturu saboda haɓakar girma da rashin kyakkyawan bunning. "
Idan a cikin tarihin filin akwai wani saitin kasawa na sulfur, manoma na iya la'akari da amfani da s kamar yadda ake hana rigakafi a cikin hunturu.
Wadanne kayayyaki tare da launin toka za a iya amfani da su
Akwai takin zamani da yawa da suka dace sosai don yin yanayi da kuma kawar da raunin sulfur:
Ammonium sulfate shine kayan bushe wanda asalin tushen duka nitrogen da S., yana da babban ƙarfin acid, kuma ya kamata a kula da shi. Kwallan Ammunumum yana nufin zaɓuɓɓuka masu kyau don sarrafawa na pre-shuka ko ciyar da su gyara yanayin sulfur data kasance.
Gypsum Gypsum ne sulfate kuma galibi ana samun shi a cikin wani nau'in hydrated tsari wanda ya ƙunshi 18.6% s, kuma a cikin granules, wanda zai ba ka damar haɗa shi da wasu kayan. Tunda wannan tushen tushen sulfate, zai zama nan da nan kuma ya dace don ciyar da bazara. Koyaya, gypsum ba haka ba ne sosai a cikin ruwa kamar yadda yawancin takin zamani, gami da ammonium sulfate.
Sabbin samfuran NPS, kamar ƙananan microsotes da sauransu, kayan abu ne daga phosphate na ammonium, wanda ya haɗa da s, kuma a wasu lokuta kamar zinc. A mafi yawan waɗannan samfuran, s suna nan a cikin nau'in haɗuwa da firam na farko da sulfate.
Ammonium Thiosulfate shine mafi mashahuri samfurin da aka fi amfani dashi a cikin samar da takin mai magani, tunda ya dace da mafita nitrogen da sauran kayayyakin ruwa da aka gama. Dace da ciyarwar bazara.
Potassium thiosulfate shine samfurin ruwa mai ruwa mai shigowa, ana iya haɗe shi da sauran takin mai takin ruwa. Kamar Thiosulfate, dace da ciyarwar farkon a cikin bazara.
A matsayin mafi girman abinci na huɗu, sulfur yana taka muhimmiyar rawa a cikin samino acid, sunadarai da mai kuma yana da mahimmanci ga samuwar chlorophyll.
Nitrogen da sulfur suna da alaƙa da wani, saboda sulfur yana taka rawa a cikin kunna enzyme, wanda ke taimakawa canza nitrates a cikin amino acid. Sakamakon haka, ingancin nitrogen amfani na iya raguwa tare da rashin sulfur, in ji Ruis Diaz.
(Tushen: www.arcicult.com. An buga ta: Bill Spegel).