Dinamika P Tersedia, pH, C-Organik dan Serapan P Nilam (Pogostemon cablin Benth.) pada Berbagai Aras Bahan Organik dan Fosfat di Ultisols

Any Kusumastuti

Abstract


The experiment was conducted at field experiment of Lampung State Polytechnic
from June up to November 2012, using complete randomized block design with
factorial pattern, which consists of two factors, and three replications. The first
factor is organic matter (POME) dosage, consists of three dosages (without
POME, 25% POME with 75% soil, and 50% POME with 50% soil). The second
factor is dosage of SP-36 Fertilizer (without SP-36, 1.8 g, 3.6 g, and 5.4 g SP-36
per polybag (plant) respectively. The study aims was to determine (1) The
dynamics of soil available P, (2) The effect of the best POME dosage for pH, C-
organic and P uptake, (3) The effect of the best SP-36 dosage for pH, C-organic
and P uptake, (4) The interaction between dosages of POME and SP-36 on pH,
C-organic and P uptake of plant. The observation consists of (a) Soil available P,
(b) pH and C-organic (c) and P uptake of plant. The data was analysis with
variance analysis, furthermore, if the result is significance, was continued with
LSD test, but soil available P dynamics was presented in graphic form. The
result showed that (a) Applications of POME and SP-36 increase the soil
available P, (b) The media with 25% POME and 50% POME were gave the
better result on pH, C-organic and P uptake by plant, (c) SP-36 fertilizer
fertilizer at various doses has not been any impact on soil pH, organic-C and P
uptake of plants (d) There is no interaction between POME and SP-36 fertilizer
on soil pH, organic C and P uptake of plants

Keywords : P Dynamics, P Uptake of Patchouli, Pogostemon cablin, ultisols


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DOI: http://dx.doi.org/10.25181/jppt.v14i3.153

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