KEKUATAN GESER TANAH PADA BERBAGAI DOSIS PUPUK ORGANIK GRANUL
Abstract: Plants can grow and
reach maximum production on optimum soil condition. Plants growth and
agricultural machines application in farm fields were influenced by physical,
chemical, and mechanical properties of soil. Granule organic fertilizer (GOF)
application with a certain dosage could influence physical, chemical, and
mechanical properties of soil. The objective of the research was to analyse
interaction relationship between physical and mechanical soil properties
alterations on GOF dosages variation. Soil consistency test, compaction test
(Proctor’s test), and direct shear test were applied to soil samples on GOF
dosages variation. Research results showed that the increasing of GOF dosages
from 0 ton/ha up to 90 tons/ha would increase soil posity of (49.43-55.85)%,
soil moisture content of (24.14-49.97)%, plastic limit of (35.96-41.82)%, and
liquid limit of (56.01-61.75)%, but it would decrease maximum soil dry bulk
density of (1.34-1.17) g/cc. Soil shear strength decreased from (0.91-1.41)
kgf/cm2 down to (0.42-0.58) kgf/cm2 by the decreasing of soil dry bulk density
of (1.14-1.09) g/cc and soil cohesion of (0.68-0.34) kgf/cm2 which resulted by
the increasing of the GOF dosages.
Penulis: Gatot Pramuhadi,
Dymaz Gonggo Yuda Arditha
Kode Jurnal: jppertaniandd110226