NIKLAH, Wahyuni Mawadatin; 						MADRINI, Ida Ayu Gede Bintang; 						WIJAYA, I Made Anom Sutrisna.
 Keragaman Unsur Hara Nitrogen pada Lahan Sawah di Desa Maduran, Kecamatan Maduran, Kabupaten Lamongan Jawa Timur.
<strong>Jurnal Ilmiah Teknologi Pertanian Agrotechno</strong>, [S.l.], v. 4, n. 1, p. 16-23, june 2019.
ISSN 2548-8023.
Tersedia pada: &lt;<a href="http://103.29.196.112/index.php/agrotechno/article/view/50183" target="_new">http://103.29.196.112/index.php/agrotechno/article/view/50183</a>&gt;. Tanggal Akses: 18 dec. 2025
doi: <a href="https://doi.org/10.24843/JITPA.2019.v04.i01.p03">https://doi.org/10.24843/JITPA.2019.v04.i01.p03</a>.