Ib qho tshiab chiv rau qos yaj ywm tau tsim nyob rau hauv Tatarstan
Cov kws tshawb fawb los ntawm Kazan State Agrarian University (KSAU) tau tsim ib qho tshiab organomineral chiv. Cov kws tshawb fawb tau sim pom tias nws ...
Hnub Sunday, Tsib Hlis 5, 2024
Ntaus cim: cog kev noj haus
Cov kws tshawb fawb ntawm Ural State Agrarian University tab tom kawm txog cov txiaj ntsig ntawm diatomite ntawm qos yaj ywm thiab zaub qhwv.
Diatomite yog ib qho xoob lossis cemented siliceous deposit, dawb, lub teeb grey los yog yellowish sedimentary pob zeb muaj li ntawm ...
SPUDSMART - dej soluble thiab qeeb tso chiv
Tsis yog txhua qhov phosphorus-raws li chiv yog tsim sib npaug. Vim li no, ua kom cov khoom noj khoom haus phosphorus txaus thiab raws sijhawm ...
