Correlation between nematode and soil properties on some pepper-cultivated areas in Gia Lai province

Abstract

The research aimed to understand the soil structure for pepper agriculture, the relationship between nematodes distribution and some soil quality parameters. Secondary data collection, field survey, and soil sampling and analysis were conducted in field and in laboratory. The results showed that the soil had pH values ranging from acid to neutral, average N and P levels, and high organic matter content. The isolation of nematodes showed that there were 26 genera of nematodes belonging to 17 families and 7 orders in soil. The lower the soil organic matter content and pH value were, the higher the density of nematodes was, indicating the possibility of survival and development of nematodes in extreme soil environment. This is one of significant factors that may impact the pepper productivity. Therefore, increasing nutrient contents of soil would prevent nematode activities and at the same time enhance the resistance of pepper to nematodes.