Browsing Jurnal Ilmu Tanah & Lingkungan by Author "Suwarno"
Now showing items 1-2 of 2
-
The Effect of Organic Matter (Centrosema pubescens) and Rock Phosphate Application on the Activity of Phosphatase and P Fraction of Latosol Soil in Darmaga, Bogor
Djuniwati, S. | Pulunggono, H.B. | Suwarno (2007)One of the problems of acid soils such as Latosol is very low in P-availabi/ity due to high P-j'vcation in those soils. Since soils is deficiency of P, adaptation of plants and microorganisms to overcome deficiency of P ... -
Potential and Possibility of Direct Use of Guano as Fertilizer in Indonesia
Suwarno | Idris, Komaruddin (2007)Guano is a material originally from sea bird or bat excrement. This material is an important source of P fertilizer during nineteenth century and the early part of twentieth century. The development of artificial fertilizers ...