Roj hmab lag luam

Tus nqi ntawm cov khoom siv roj hmab hloov pauv tau zoo heev, thiab cov nqi ntawm cov lag luam yog qhov nyuaj rau kev tswj.
Xyoo 2011, tus nqi ntawm cov khoom siv raw xws li roj hmab hloov pauv tau zoo heev. Cov roj hmab ntuj tau ntaus cov ntaub ntawv siab ntawm 43,500 yuan / ton hauv thawj peb lub hlis twg. Cov roj hmab hluavtaws tau nce hauv lub quarter thib ob thiab thib peb, nrog nce ntawm 10,000 yuan/ton. Muaj kev cuam tshuam los ntawm kev sib hloov ntawm cov nqi roj hmab, cov tuam txhab lag luam tseem ceeb ntawm cov khoom lag luam xws li cov log tsheb muaj kev cuam tshuam, cov nqi tsim khoom thiab kev lag luam nyuaj rau kev tswj, cov khoom lag luam pheej hmoo nce, cov nyiaj tau los tau txo qis rau 2% -5%, thiab kev lag luam ntsib teeb meem loj.
Kev loj hlob ntawm kev lag luam tau poob qis, thiab nws tau nkag mus rau txoj kev loj hlob zoo.
Vim qhov kev hloov pauv loj ntawm cov nqi ntawm cov khoom siv roj hmab, kev lag luam hauv tsev thiab thoob ntiaj teb txuas ntxiv poob qis, thiab kev thov hauv tsev tau qeeb. Kev loj hlob ntawm Tuam Tshoj cov khoom lag luam roj hmab tseem ceeb tau poob qis thiab kev xa tawm poob, tab sis tsis muaj qhov nce thiab nqis thiab kev lag luam tag nrho tseem nyob ruaj khov. Nyob rau tib lub sijhawm, kev ua haujlwm zoo tau ua kom zoo dua: cov khoom lag luam hloov kho tau nce zuj zus, tus nqi log tsheb meridization tau mus txog 86.5%, nce 2.5% xyoo-rau-xyoo, thiab lwm yam khoom tsim muaj kuj tau txhim kho zoo heev; kev hloov pauv ntawm kev lag luam roj hmab hom kev loj hlob tau ua tiav cov txiaj ntsig thawj zaug, thiab cov log tsheb tau tso siab rau kev thov sab nraud. Lub degree ntawm kev txo qis yog tsawg; Cov txiaj ntsig ntawm kev siv cov pa roj carbon tsawg yog qhov zoo tshaj plaws, kev siv lub zog ntawm kev lag luam raug txo, thiab cov khoom siv txuag hluav taws xob, cov log tsheb ntsuab thiab lwm yam khoom thiab cov khoom siv ntsuab tau tshwm sim. Cov kev hloov pauv no qhia tau hais tias thaum kev loj hlob ntawm kev lag luam raug txo qis, nws yuav pab kho cov qauv thiab txhawb ntau yam kev hloov kho. Kev lag luam kev lag luam ntawm Tuam Tshoj txoj kev lag luam roj hmab tau pib nkag mus rau txoj kev loj hlob zoo.