Nualchavee Roongtanakiat . The behaviour of ammonium, nitrate and urea fertilizers applied to soils of different pH values for corn as indicated by 15N . Doctoral Degree(Soil Science). Kasetsart University. Office of the University Library. : Kasetsart University, 1992.
| Title | Contributor | Type |
|---|---|---|
| The behaviour of ammonium, nitrate and urea fertilizers applied to soils of different pH values for corn as indicated by 15N
มหาวิทยาลัยเกษตรศาสตร์ Nualchavee Roongtanakiat | Amnat Suwanarit | วิทยานิพนธ์/Thesis |