RESPON TANAMAN BAYAM (Amaranthus tricolor L.) TERHADAP PEMBERIAN BERBAGAI JENIS PUPUK ORGANIK PADA TANAH MARGINAL

Abstract

ABSTRACT
This study aims to determine the effect of giving various types of organic fertilizer to
the growth and production of spinach plants grown on the marginal soil and which type of
organic fertilizer the best is on the spinach plant. This research was conducted at the village
of Kalasey I for the pot experiment and the analysis of soil, manure and compost was
conducted at the laboratory of Soil Physics and the laboratory of Soil Chemistry and Soil
Fertility, Faculty of Agriculture Sam Ratulangi University of Manado. This research using by
Randomized Block Design Method, where A as a control, B a manure of chicken, C a manure
of cow, D a manure of pig, E a manure of goat and F as a compost. This study was conducted
in 3 groups to obtain 18 pot experiments.
The results showed that the application of various types of organic fertilizer on the
marginal soil affected the availability of nutrients needed by plants in the growth and
production of spinach plants in this case the height of the plant, the number of leaves, the
fresh weight of the plant and the dry weight of the plant. Manure of goat provides the highest
yield for height of the plant, the number of leaves, the fresh weight of the plant and dry
weight of the plant.
Keywords : Marginal Soil, Organic Fertilizer