Abstract
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span lang="IN">One of the factors that decrease the production of the soybean crop is the low level of soil fertility. Soil fertility can be improved with the use of mulch combined with proper tillage. This Research is needed to determine the dose and the right soil processing combined with optimal doses of straw mulch to improve the growth and yield of soybean.This research conducted wit Split Plot Design with three replication, with soil tillage as main plot and rice straw mulch as sub plot. Soil tillage arranged with 3 level, </span><span lang="PT-BR">O1:</span><span lang="IN"> maximum soil tillage</span><span lang="IN">O2: </span><span lang="PT-BR">minimum</span><span lang="IN"> soil tillage and </span><span lang="PT-BR">O3: </span><span lang="IN">without soil tillage. Rice straw mulch arranged with 4 level, </span><span lang="PL">M<sub>0</sub>: </span><span lang="IN">without rice straw mulch </span><span lang="PL">(</span><span lang="IN">c</span><span lang="PL">ontrol)</span><span lang="IN">, </span><span lang="IT">M<sub>1</sub>: </span><span lang="IN">rice straw mulch 2 </span><span lang="IT">ton/ha</span><span lang="IN">, </span><span lang="IT">M<sub>2</sub>: </span><span lang="IN">rice straw mulch 4</span><span lang="IT"> ton/ha</span><span lang="IN"> and </span><span lang="IT">M<sub>3</sub>: </span><span lang="IN">rice straw mulch 6</span><span lang="IT"> ton/ha</span><span lang="IN">. </span><span lang="IN">The results showed there were no significant interactions and influences between pemulsaaan treatment combined with tillage on the growth and yield of soybean.</span></p><pre><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif';" lang="IN"><br /></span></pre><pre> </pre><pre style="text-align: justify;"><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif';" lang="IN">One of the factors that decrease the production of the soybean crop is the low level of soil fertility. Soil fertility can be improved with the use of mulch combined with proper tillage. This Research is needed to determine the dose and the right soil processing combined with optimal doses of straw mulch to improve the growth and yield of soybean.This research conducted wit Split Plot Design with three replication, with soil tillage as main plot and rice straw mulch as sub plot. Soil tillage arranged with 3 level, </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: PT-BR;" lang="PT-BR">O1:</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN"> maximum soil tillage</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN">O2: </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: PT-BR;" lang="PT-BR">minimum</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN"> soil tillage and </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: PT-BR;" lang="PT-BR">O3: </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN">without soil tillage. Rice straw mulch arranged with 4 level, </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: PL;" lang="PL">M<sub>0</sub>: </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN">without rice straw mulch </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: PL;" lang="PL">(</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN">c</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: PL;" lang="PL">ontrol)</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN">, </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: IT;" lang="IT">M<sub>1</sub>: </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN">rice straw mulch 2 </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: IT;" lang="IT">ton/ha</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN">, </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: IT;" lang="IT">M<sub>2</sub>: </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN">rice straw mulch 4</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: IT;" lang="IT"> ton/ha</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN"> and </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: IT;" lang="IT">M<sub>3</sub>: </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN">rice straw mulch 6</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-ansi-language: IT;" lang="IT"> ton/ha</span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri;" lang="IN">. </span><span style="font-size: 11.0pt; font-family: 'Times New Roman','serif';" lang="IN">The results showed there were no significant interactions and influences between pemulsaaan treatment combined with tillage on the growth and yield of soybean.</span></pre><p class="MsoNormal" style="margin-top: 6.0pt; margin-right: 0cm; margin-bottom: 6.0pt; margin-left: 0cm; line-height: 150%;"><span style="font-family: 'Times New Roman','serif';" lang="IN">Key words: Soybean, Rice Straw Mulch dan Soil Tillage. </span></p>
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