EFFECT OF PUMICE POWDER RATES IN SA WDUST SUBSTRATE TO THE GROWTH OF GREY OYSTER MUSHROOM,ឥទ្ធិពលនៃការបន្ថែមម្សៅ PUMICE ក្នុងល្បាយអាចម៍រណាទៅលើការលូតលាស់របស់ផ្សិតអំបោះខ្មៅ

EFFECT OF PUMICE POWDER RATES IN SA WDUST SUBSTRATE TO THE GROWTH OF GREY OYSTER MUSHROOM,ឥទ្ធិពលនៃការបន្ថែមម្សៅ PUMICE ក្នុងល្បាយអាចម៍រណាទៅលើការលូតលាស់របស់ផ្សិតអំបោះខ្មៅ YANG VIRAK,យ៉ាង វិរៈ creator text phnom penh rua 2019 monographic x.34p. ill. 29cm. https://drive.google.com/file/d/1fEMVNj9VzKRhAVXMmNvCnHINnWHd9JTy/view?usp=sharing https://drive.google.com/file/d/1fEMVNj9VzKRhAVXMmNvCnHINnWHd9JTy/view?usp=sharing