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PERUBAHAN SIFAT KIMIA TANAH DAN PERTUMBUHAN SERTA HASIL TANAMAN KEDELAI DAN JAGUNG PADA TANAH PODSOLIK DENGAN APLIKASI PEMBENAH TANAH DAN POLA TANAM YANG BERBEDA

BACA FULL TEXT ABSTRAK Pemesanan Versi cetak
Pengarang T. Fachrul Razie - Personal Name
SubjectSOIL CHEMISTRY
HARVESTING
SOIL FERTILITY
Bahasa Indonesia
Fakultas Program Studi Magister Agroekoteknologi Universitas Syiah Kuala
Tahun Terbit 2018

Abstrak/Catatan

T. Fachrul Razie. Changes of Chemical Soil Properties and Growth as well as Yield of Soybean and Maize on Podzolic Soil by Application Soil Amendments and Cropping Patterns. Growth and crop yield depend on soil fertility. Aceh has agricultural land with relatively low fertility, some of which are podzolic soil. The properties of podzolic soil should be improved in order to be utilized for cultivated land and produce maximum crop production. The process of improving the properties of podzolic soil can be done by using soil amendments like cow dung and biochar, where the use of soil biochar and cow dung can significantly affect for growth and crop yield. In addition, cropping patterns can also affect the improvement of soil properties that impact on increased growth and yield of crops. Many benefits of the use of soil amendments that have been obtained through research, but information about the use of soil amendments in the form of cow dung and biochar that can increase the production of soybean and maize with various cropping patterns at once can improve the chemical properties of podzolic soil has not been known. The purpose of study was to analyzed the effect of soil amendments and cropping patterns and the interaction of these two factor on the chemical soil properties, growth, and yield of soybean and maize on podzolic soil. The research was conducted in Teurebeh Village, Kota Jantho, Aceh Besar District, Soil and Plant Laboratory, Faculty of Agriculture, Syiah Kuala University, and Plant Physiology Laboratory, Faculty of Agriculture, Syiah Kuala University, from June 2016 to January 2017. The research used a Randomized Block Design factorial 5 x 3 with 3 replication, whereas the soil amendments consisted of : NPK 400 kg ha-1, Biochar 10 ton ha-1, Cow dung 10 ton ha-1, Biochar 10 ton ha-1+NPK 400 kg ha -1, and Cow dung 10 ton ha-1+NPK 400 kg ha-1and cropping patterns consist of : monoculture of soybean, monoculture of maize, and intercropping soybean-maize. The soil chemistry parameters observed baseline soil analysis (routine analysis) and soil analysis after treatment consisting of soil pH, C-organic, N-total, P-available, and K-exch. The growth and yield parameters of soybean crops observed consisted of : change in plant height 3-4, 4-5, and 5-6 week after planting (WAP), and weight of soybean seed per plot and weight of 100 seeds of soybean. The growth and yield parameters of maize observed consisted : change in plant height aged 3-4, 4-5, 5-6 and 6-7 WAP as well as weight of cob without husk per plot and sugar content of maize. To measure the benefits of intercropping system from land use aspect, it is calculated land equivalent ratio (LER). The result of this study indicate that the soil amendments has not significant effect on soil pH, C-organic, and N-total and all growth observation parameters and crop yields as well as have a very significant effect on change of P-available and K-exch.While the cropping patterns had significant effect on soil pH, change in plant height of soybean 3-4 WAP, 5-6 WAP, and LER, and very significant effect on P-available, K-exch, change in plant height of soybean 4-5 WAP, weight of soybean seed per plot, change in plant height of maize 4-5 WAP, 5-6 WAP, 6-7 WAP, weight of cob without husk per plot and sugar content of maize, and not significant effect on C-organic, N-total, weight 100 seeds of soybeans, and changes in plant height of maize 3-4 WAP.There were interactions between soil amendments and cropping patterns on P-available, K-exch, changes in plant height of maize 6-7 WAP, weight of cob without husk per plot, and sugar content of maize. Keywords ; maize, soybean, soil amendments, cropping patterns, podzolic soil

Tempat Terbit Banda Aceh
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