Pengaruh Pemberian Fosfat Alam dan Bahan Organik Terhadap Sifat Kimia Tanah, Pertumbuhan dan Produksi Padi (Oryza sativa L.) pada Tanah Sulfat Masam Potensial
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Institusion
Universitas Sumatera Utara
Author
Batubara, Iman Saleh (STUDENT ID : 090301034)
(LECTURER ID : 0020115710)
(LECTURER ID : 0031087002)
(LECTURER ID : 0020115710)
(LECTURER ID : 0031087002)
Subject
acid sulphate soils
Datestamp
2022-12-22 07:26:40
Abstract :
This research aims to find out the influence of application organic matter and rock phosphate to improve soil chemical characteristic, growth and production of rice plant in acid sulphate soils, it is related to acid sulphate soils case, such as low pH, high iron (Fe2+) making less production. It is conducted in Faculty of Agriculturegreenhouses, University of North Sumatra, using a randomized block design factorial, with 2 factors; organic matter (B), B0 = (0 g /pot); B1 = (40 g straw /pot); B2 = (80 g straw/pot); B3 = (80 g cow?s manure/pot); B4 = (80 g cow?s manure/pot); B5 = (26,7 g straw + 53,3 g cow?s manure/pot) and rock phosphate (P), P0 = (0 g /pot); P1 = (0,64 g rock phosphate /pot); P2 = (1,28 g rock phosphate /pot). The measured parameters were pH, C-organic, P-avaliable, Fe2+, plant height, maximum seedlings and weight of dried grains. The results showed that organic matter application significantly affected in increasing pH, P-avaliable,maximum seedlings, plant height, weight of dried grains while decreasing Fe2+at final vegetative phase. Rock phosphate application significantly affected in increasing pH, P-avaliable, and weight of dried grains while decreasing Fe2+at final vegetative phase. Combination of the two factors significantlyaffected in increasing pH, P-avaliable, and weight of dried grains while decreasing Fe2+at final vegetative phase.
This research aims to find out the influence of application organic matter and rock phosphate to improve soil chemical characteristic, growth and production of rice plant in acid sulphate soils, it is related to acid sulphate soils case, such as low pH, high iron (Fe2+) making less production. It is conducted in Faculty of Agriculturegreenhouses, University of North Sumatra, using a randomized block design factorial, with 2 factors; organic matter (B), B0 = (0 g /pot); B1 = (40 g straw /pot); B2 = (80 g straw/pot); B3 = (80 g cow?s manure/pot); B4 = (80 g cow?s manure/pot); B5 = (26,7 g straw + 53,3 g cow?s manure/pot) and rock phosphate (P), P0 = (0 g /pot); P1 = (0,64 g rock phosphate /pot); P2 = (1,28 g rock phosphate /pot). The measured parameters were pH, C-organic, P-avaliable, Fe2+, plant height, maximum seedlings and weight of dried grains. The results showed that organic matter application significantly affected in increasing pH, P-avaliable,maximum seedlings, plant height, weight of dried grains while decreasing Fe2+at final vegetative phase. Rock phosphate application significantly affected in increasing pH, P-avaliable, and weight of dried grains while decreasing Fe2+at final vegetative phase. Combination of the two factors significantlyaffected in increasing pH, P-avaliable, and weight of dried grains while decreasing Fe2+at final vegetative phase.
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