Mineral nutrient fluxes derived from litterfall are key components of nutrient biogeochemical
cycles in both natural and agroforesty systems. Cocoa production systems are generally …

Crops need nutrients to grow, develop, and produce yields, both in macro and
micronutrients form. One of the essential macronutrients is phosphorus (P). Phosphorus is …

In Aceh, Indonesia, low dryland crop yields entrench rural poverty. The lack of soil fertility
information hinders the development of soil management programs to assist farmers to …

This study aimed to identify the characteristics of Andisols under tea plantations affected by
different Oldeman's agro-climatic zones, of different ages, and containing different types of …

Abstract Background and Objective: Andisols has relatively low phosphorus availability due
to its adsorption by allophane. Microbial phosphate solubilization and organic matter are …

The study aimed to determine the total and available amounts of iron (Fe), manganese (Mn),
zinc (Zn), and copper (Cu) in the humid tropical acid soils of Lampung, Indonesia, and to …

The purpose of this research was to determine: 1) phosphate bacteria (PB) mechanisms
responsible for enhancing the soil's soluble phosphorus (P), using the processes of …

Volcanic slope soils in Indonesia may have degradation due to forest conversion to
intensive agriculture since more than three decades. This research aimed to assess soil …

Andisols is a soil that develops from pyroclastic materials of volcanic eruption with the high P-
Retention (85% or more). The aim of this research was to know the effect between the …

Myzus persicae is one of the major potato plant pests, and also a vector of potato viruses.
This pest may cause low quality as well as quantity of potato production. Entomopathogenic …