Effect of Azolla Based - Organic Fertilizer, Rock Phosphate and Rice Hull Ash on Rice Yield and Chemical Properties of Alfisols
The application of chemical fertilizer for long time may adverse soil environment. Organic agriculture, for example combination use of azolla based-organic fertilizer, phosphate rock and rice hull ash, was one of ways that able to recover it. Research was conducted in Sukosari, Jumantono, Karanga...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Sebelas Maret University
2014-07-01
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Series: | Sains Tanah: Journal of Soil Science and Agroclimatology |
Subjects: | |
Online Access: | http://jurnal.fp.uns.ac.id/index.php/tanah/article/view/223/214 |