A new method for determining the propagation constant and the effective width of Substrate Integrated Waveguides (SIWs) is presented in this paper. SIW cells can be viewed as two consecutive rectangular waveguide with same height but different width...

The substrates used for seed germination in experiments in investigating the effect of stresses...

Understanding the interactions and relationships between fertilizer and minerals help to have optimum

fertilization practice with the lowest costs. In a split-split plot field experiment, we studied the effect of

some organic substrate...