https://doi.org/10.36873/agp.v20

PENGARUH DOLOMIT DAN KOTORAN AYAM TERHADAP PERUBAHAN BEBERAPA SIFAT KIMA TANAH SULFAT MASAM DAN PERTUMBUHAN TANAMAN JAGUNG (Zea mays L.) The Effect of dolomite and chicken manure to some soil chemical properties of acid sulfate soil and growth of maize cr, Basuki1) and Sitompul, T. J. 2)

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DOI:

https://doi.org/10.36873/agp.v20i02.147

Keywords:

sulfate soil, dolomite, soil chemical, chicken manures.

Abstract

ABSTRACT
This research was conducted in the Analitic laboratory of Palangka Raya Univercity and in the screen
house of Agriculture Cultivation Department, Palangka Raya Univercity. The purpose of this
experiment was to determine the effect of dolomit and chicken manure to some soil chemical
properties of acid sulfate soil and growth of Maize Crop (Zea mays L.). The research was arranged in
Complete Ramdomized Design with two factors and three replications. The first factors were level of
dolomit with three levels namely 0 ; 1,5 ; 3,0 times exchangeable alumunium. The second factors were
level of chicken manure with three levels namely 0, 6 and 12 t ha-1. The results showed that the
interaction between dolomit and chicken manure significantly affected increasing the soil pH and
decreasing exchangeable alumunium. The combination level of dolomit in level 1,5 times
exchangeable alumunium with application of 6 ton.ha-1 chicken manure will be optimum increasing
the soil pH and decreasing exchangeable alumunium. The application a single factor of dolomit not
significantly affected P-availabilityand growth of Zea mays (plant height, number of leaf and area leaf
index) in age 2, 3, 4, 5, 6 weeks after planting. The application of chicken manure only significantly
affected increasing P- availabilityand growth of Zea mays (plant height, number of leaf and area leaf
index) in age 2, 3, 4, 5, 6 weeks after planting. Optimum dosage of chicken manure was 6 t ha-1
.
Keywords: sulfate soil, dolomite, soil chemical, chicken manures.

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Published

2019-10-01