Sanchez (1976) found that the quantity อินทรีย objects in a tropical forest with approximately 8500 – 12000 kg per hectares, which is greater than the khetopun object in อินทรีย forest has a value of approximately 920 – 3100 kg per hectares.
Sanchez (1976) found that the amount of organic matter in tropical forests is approximately 8,500 - 12,000 kg per hectare. Which is greater than the amount of organic matter in the forest zone of approximately 920 to 3100 kg per hectare.
Sanchez (1976) showed that organic matter content in the tropical forest, approximately 8, 500 - 12 000 kg per hectare. The more organic carbon in forest districts with the 920 - warm, 3 100 kg per hectare.