To plow the rice or COB stump crops after harvest in order to cause soil degradation processes, which becomes a source of organic matter and plant nutrients.
The incorporation of rice stubble after harvest or crop it. To make the process of land degradation, which will become a source of organic matter and plant nutrients.
Tillage rice straw or crops after harvest. To achieve the decomposition process in the soil, which will become the source of organic matter and nutrients plant.