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  ដី និង​ការអង្កតដី កាលពីឆ្នាំ ២០០៥ ខ្ញុំធ្លាប់បានចូលរួមជាគ្រូបណ្តុះបណ្តាលនៅ មជ្ឈមណ្ឌលព្រៃឈើ និងសត្វព្រៃ លើមុខវិជ្ជា​ដី​និង ការអង្កេតដី។ មុខវិជ្ជាអំពីដីគឺជាមុខវិជ្ជាមួយដែលសំខាន់ ដែលឯកសារមិនសូវជាសំបូរប៉ុន្មានទេ ពិសេស ឯកសារដែលសរសេរជាភាសាខ្មែរ។ សូមចុចខាងក្រោមដើម្បីទាញយកឯកសារ… Click here for download hand out

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ប្រភេទដី មានចំណាត់ថ្នាក់ប្រភេទដីខុសៗគ្នាមួយចំនួននៅលើសាកលលោក នៅប្រទេស​កម្ពុជាយើងមានចំណាត់ថ្នាក់ដី ចំនួនពីរ ដែលបាននឹងកំពុងតែប្រើប្រាស់ គឺ ៖ ចំណាត់ថ្នាក់បែបអាមេរិកដែលបានប្រើដោយលោក Croker ១៩៦២ (អាចជាចំណាត់ថ្នាក់តាម លោក Jenny ១៩៣៨) ចំណាត់ថ្នាក់តាម FAO-UNESCO (១៩៦០, ១៩៧៤, ១៩៩០ និង ១៩៩៨) ផែនទី និងទិន្នន័យភាគច្រើនដែលយើងឃើញមានប្រើប្រាស់គឺផែនទីដីដែល រៀបរៀង​ឡើង​ដោយ លោក Croker, 1962 លើមាត្រដ្ឋាន 1/1 000 000 និងផែនទីរបស់គណៈកម្មាធិការ ជាតិ​ទន្លេមេគង្គ ដែលប្រើចំណាត់ថ្នាក់ដីតាម FAO-UNESCO។ ចំណាត់ថ្នាក់ទាំងពីរនេះគឺ​ប្រើ​តាម​ប្រព័ន្ធពីរបែបខុសគ្នា តែយើងអានធ្វើការប្រៀបធៀបដូចក្នុងតារាង ខាងក្រោម តារាងឈ្មោះវេវចនៈរវាងចំណាត់ថ្នាក់តាម Croker និងតាម FAO_UNESCO Croker FAO-UNESCO 1. Red-Yellow Podzols Dystric Fluvisols, occasionally Arenosols 2. Latosols Nitisols, Ferrasols, … Continue Reading

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