油菜毯状育苗的基质改良Ⅰ常规育苗基质细土添加比例

Chinese Journal of Oil Crop Sciences(2020)

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Abstract
以甘蓝型双低油菜品种宁杂1818为材料,设置了常规育苗基质中不同细土添加比例处理,通过测定不同时期菜苗的农艺性状、各器官干物质积累量等,探索适合油菜毯状苗生长的常规育苗基质适宜的拌土比例.结果显示,常规育苗基质中分别加入50%和30%的过筛细土,秧苗的根颈粗、干重、子叶大小及其增速最优,移栽前毯状苗存苗率和株高分别高出其它处理10%以上.综合油菜苗素质及经济效益等因素,常规育苗基质中添加30%细土作为油菜毯状苗育苗基质最为适宜.
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