SUKARTONO, Sukartono.
S NUTRIENTS RTENTION OF SEVERAL BIOCHARS AND THEIR EFFECT ON N,P, K UPTAKE OF  UPLAND-RICE ..
<strong>CROP AGRO, Scientific Journal of Agronomy</strong>, [S.l.], v. 12, n. 01, p. 9-19, feb. 2019.
ISSN 2621-5748.
Available at: &lt;<a href="https://cropagro.unram.ac.id/index.php/caj/article/view/247" target="_new">https://cropagro.unram.ac.id/index.php/caj/article/view/247</a>&gt;. Date accessed: 25 apr. 2024.
doi: <a href="https://doi.org/10.29303/caj.v12i01.247">https://doi.org/10.29303/caj.v12i01.247</a>.