[Nick] wrote in telling us about the LED cube he built over the course of six months. He calls LED cubes ‘done to death,’ but [Nick] might be too humble. His 8x8x8 RGB LED cube is the best we’ve ever ...

Abstract: Soil analysis is essential in the process of agriculture. Various parameters can be derived from a soil sample. Some of them are moisture, NPK, fertility, PH value. The process of testing ...