Studies on the Use of Solid Digestate from Biogas Production in Asparagus Cultivation

Project no. 32334 · Status: Kapanmış (Yayın bekleniyor) · 2024

Summary

<p>The&nbsp;application&nbsp;of&nbsp;organic&nbsp;fertilizer&nbsp;is&nbsp;a&nbsp;sustainable&nbsp;approach&nbsp;to&nbsp;maintain&nbsp;soil&nbsp;fertility&nbsp;in&nbsp;agricultural&nbsp;crop&nbsp;production.&nbsp;In&nbsp;contrast&nbsp;to&nbsp;other&nbsp;organic&nbsp;fertilizers,&nbsp;it&nbsp;is&nbsp;important&nbsp;to&nbsp;determine&nbsp;the&nbsp;agronomic&nbsp;properties&nbsp;of&nbsp;the&nbsp;fermented&nbsp;products&nbsp;from&nbsp;biogas&nbsp;plant&nbsp;production&nbsp;in&nbsp;order&nbsp;to&nbsp;manage&nbsp;them&nbsp;sustainably.&nbsp;The&nbsp;trials&nbsp;were&nbsp;conducted&nbsp;during&nbsp;the&nbsp;2024&nbsp;growing&nbsp;season&nbsp;on&nbsp;the&nbsp;producer’s&nbsp;land,&nbsp;in&nbsp;a&nbsp;three-year-old&nbsp;asparagus&nbsp;plantation&nbsp;consisting&nbsp;of&nbsp;the&nbsp;‘Sunlim’&nbsp;variety,&nbsp;using&nbsp;a&nbsp;randomised&nbsp;block&nbsp;design&nbsp;with&nbsp;three&nbsp;replicates.&nbsp;In&nbsp;this&nbsp;study,&nbsp;the&nbsp;following&nbsp;fertilization&nbsp;treatments&nbsp;using&nbsp;solid&nbsp;digestate&nbsp;were&nbsp;examined&nbsp;with&nbsp;the&nbsp;aim&nbsp;of&nbsp;evaluating&nbsp;asparagus&nbsp;growth,&nbsp;yield&nbsp;and&nbsp;spear&nbsp;quality,&nbsp;as&nbsp;well&nbsp;as&nbsp;the&nbsp;nutrient&nbsp;content&nbsp;of&nbsp;spear,&nbsp;leaf,&nbsp;stem&nbsp;and&nbsp;root:&nbsp;control&nbsp;(U1:&nbsp;unfertilized),&nbsp;farmer’s&nbsp;practice&nbsp;(U2),&nbsp;100%&nbsp;solid&nbsp;digestate&nbsp;(U3),&nbsp;100%&nbsp;chemical&nbsp;fertilizer&nbsp;(U4),&nbsp;75%&nbsp;solid&nbsp;digestate&nbsp;+&nbsp;25%&nbsp;chemical&nbsp;fertilizer&nbsp;(U5),&nbsp;50%&nbsp;solid&nbsp;digestate&nbsp;+&nbsp;50%&nbsp;chemical&nbsp;fertilizer&nbsp;(U6)&nbsp;and&nbsp;25%&nbsp;solid&nbsp;digestate&nbsp;+&nbsp;75%&nbsp;chemical&nbsp;fertilizer&nbsp;(U7).&nbsp;The&nbsp;data&nbsp;indicated&nbsp;that&nbsp;the&nbsp;U5&nbsp;and&nbsp;U7&nbsp;treatments&nbsp;increased&nbsp;asparagus&nbsp;growth,&nbsp;yield&nbsp;and&nbsp;yield&nbsp;parameters,&nbsp;although&nbsp;the&nbsp;U6&nbsp;treatment&nbsp;had&nbsp;a&nbsp;positive&nbsp;effect&nbsp;on&nbsp;spear&nbsp;thickness.&nbsp;&nbsp;Furthermore,&nbsp;although&nbsp;all&nbsp;applications&nbsp;provided&nbsp;adequate&nbsp;nutrition,&nbsp;it&nbsp;was&nbsp;determined&nbsp;that&nbsp;the&nbsp;U6&nbsp;and&nbsp;U7&nbsp;applications&nbsp;performed&nbsp;slightly&nbsp;better.&nbsp;These&nbsp;results&nbsp;suggest&nbsp;that&nbsp;the&nbsp;combined&nbsp;use&nbsp;of&nbsp;digestate&nbsp;with&nbsp;chemical&nbsp;fertilizers&nbsp;can&nbsp;improve&nbsp;asparagus&nbsp;growth,&nbsp;yield&nbsp;and&nbsp;spear&nbsp;quality,&nbsp;thereby&nbsp;enabling&nbsp;a&nbsp;reduction&nbsp;in&nbsp;the&nbsp;use&nbsp;of&nbsp;chemical&nbsp;fertilizers.</p><p></p><p>Key&nbsp;Words:&nbsp;Solid&nbsp;digestate,&nbsp;asparagus,&nbsp;fertilization,&nbsp;quality,&nbsp;yield,&nbsp;nutrient&nbsp;content</p>

View details