Palm oil mill effluent (POME) is the wastewater produced during the palm oil sterilization
process, which contains substantial amounts of nutrients and phosphorous that are harmful …

The tomato plant is a vegetable plant that contains lots of vitamins and minerals that are
needed by humans to complete their nutritional needs in life. One effort to increase tomato …

The application of organic fertilizers can improve soil fertility specifically on Inceptisol soils
which are quite extensive but have problems with relatively low nitrogen nutrients so that the …

This study aims to identify the fertility variable that is an obstacle in Bilah Hulu Subdistrict,
Labuhanbatu Regency by evaluating the status of soil fertility and assessing alternative …

Efforts to improve tomato production can be done with the use of organic fertilizers derived
from agricultural waste, manure, green manure, manure-human waste, and compost as a …

Palm oil mill effuent (POME) has the potential to become an environmental pollutant if left
unutilized. This study aims to examine the effect of POME on catfish and water spinach …

This study aims to identify the fertility variable that is an obstacle in Bilah Hulu Subdistrict,
Labuhanbatu Regency by evaluating the status of soil fertility and assessing alternative …

Abstract Giving Uera Fertilizer and Goat Coop Fertilizer in Ultisol Land for green mustard
plants (Brassica Juncea L) aims to determine the fertilizer treatment of goats sometimes …

Longterm use of pesticides can cause side effects on the environment and human health.
PGPR is an environmentally friendly solution for biological control of leaf spot disease. This …

The physical properties of the soil that need to be considered are the problem of
degradation and soil structure due to management functions so that cultivated land is not …