For planting soy bean on reclaimed bog land, the ex periment w as conducted fo r properproportion and amount of applied ni trogen, phosphate, potassium, fertili zers. The result sshow ed that: it w as necessary to apply phosphate fertili zer fo r planting soybean on reclaimedbog land and complementary with some potassium fertilizer. The suitable proportion w as N:P2O5: K2 O= 1: 2: 0. 3. The sui table fertilizer amount per ha was N34. 5kg , P2O5 69. 5kg ,K2 O 10. 3kg.