Jum, 30/09/2016 - 01:49

Here are some pictures of the third stage - Quantification Nitrogen-fixing and Phosphate Solubilizing Bacteria. A sample of composite soil was taken diagonally from 9 points in sampling soil on every soil type and land surface group. The depth of soil sampling is 0-20 cm. The quantification on the population of nitrogen-fixing bacteria and phosphate solubilizing bacteria.