| dc.description.abstract | Coastal land is a marginal land that has a low soil productivity as a result of
loose soil structure, low water holding ability, high infiltration and evaporation,
low fertility, low organic matters, high temperatures and strong winds, low cation
exchange capacity and high infiltration. Excessive availability of air in the pores
causes drying and oxidation of organic materials to run fast. In 2014, in the
southern coastal area of Jember Regency had experiments on cassava cultivation
been conducted from January 2014, with a variety of organic fertilizer treatments
such as: control, liquid organic fertilizer, fish hydrolyzate fertilizer, and manure.
However, the research only examined the productivity of cassava and did not
investigate the physical and chemical properties of the soil that affected the
productivity of cassava plants. The physical properties have either direct or
directly impacts and control the growth of plants, roots, oxygen, and temperature. | en_US |
