Penilaian Metode Bray II dan Truog pada Tanah Sulfat Masam Potensial untuk Tanaman Padi
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Institusion
Universitas Sumatera Utara
Author
Nst, Achmad Hambali (STUDENT ID : 090301053)
(LECTURER ID : 0020115710)
(LECTURER ID : 0020115710)
Subject
P-Available
Datestamp
2022-12-21 08:21:31
Abstract :
The research was conducted to get the right analysis method for sulfate acid soil Karanganyar village region of Secanggang by examining twoP-available of soil analysis method. The research held in Seed Technology Laboratory (seeding), green house and also in Research and Technology Laboratory Agriculture Faculty University of Sumatera Utara. The research used non factorial Randomized Block Design with 3 repetition, which as main factor is the giving of Natural Phosphate with 9 kind of dosages, that is: 0, 50, 100, 150, 200, 250, 300, 350, and 400 ppm. The giving of Natural Phosphate was significant to the phosphorus sorption and pH with the best dosage is P7 (350 ppm). The examining of analysis method was Bray II and Truog. The right analysis method was chosen by correlating the analysis result of P-available with P-sorption. The method which had the highest coefficient of correlation would be chosen as the right method, and Bray II has chosen as the right method with r value was 0,261. P critical limit of Paddy for Bray II was 24,1 ppm and for Truog was 12,13 ppm.
The research was conducted to get the right analysis method for sulfate acid soil Karanganyar village region of Secanggang by examining twoP-available of soil analysis method. The research held in Seed Technology Laboratory (seeding), green house and also in Research and Technology Laboratory Agriculture Faculty University of Sumatera Utara. The research used non factorial Randomized Block Design with 3 repetition, which as main factor is the giving of Natural Phosphate with 9 kind of dosages, that is: 0, 50, 100, 150, 200, 250, 300, 350, and 400 ppm. The giving of Natural Phosphate was significant to the phosphorus sorption and pH with the best dosage is P7 (350 ppm). The examining of analysis method was Bray II and Truog. The right analysis method was chosen by correlating the analysis result of P-available with P-sorption. The method which had the highest coefficient of correlation would be chosen as the right method, and Bray II has chosen as the right method with r value was 0,261. P critical limit of Paddy for Bray II was 24,1 ppm and for Truog was 12,13 ppm.
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