Peb Muab Yeeb Yaj Kaub Rau Peb Cov Khoom Rau Youtube

Tsis ntev los no, txhawm rau pab cov neeg siv khoom kom paub txog peb cov cuab yeej zoo, peb yuav xa cov yeeb yaj kiab rau peb cov khoom lag luam rau

Youtube, zoo siab txais tos saib, hnub no, peb muab cov yeeb yaj kiab rau: Cov Chlorophyll meter thiab Photosynthesis metres.

Txuas yog raws li nram no:

https://youtu.be/YnvTNJp4VC8 Cov Tshuaj Chlorophyll

https://youtu.be/1k9PmF56Xd8 Cov duab hluav taws xob zoo nkauj

Yog xav paub ntxiv cov txheeb ze cov khoom lag luam, thov tuaj saib: https://www.chinatestequipments.com/agro-ecologigal-testing-equipment/