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稻壳/大豆蛋白基黏合剂成型育苗钵性能评价及成因分析

DOI: 10.11654/jaes.2015.06.026

Keywords: 稻壳 育苗钵 大豆蛋白基黏合剂 耐水性 拉伸强度 育苗效果

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Abstract:

以稻壳为原材料, 采用大豆蛋白基黏合剂捏合成型制备育苗钵, 研究了稻壳育苗钵的耐水特性;通过育苗试验研究了育苗钵对黄瓜的生物学效应, 并分析了育苗钵育苗周期与拉伸强度间的相关性。结果表明:育苗钵最大平衡吸水率及厚度膨胀率分别为26.78%和10.73%,具有较好的耐水特性;育苗钵经干湿热循环处理后拉伸强度最大降幅约50%(P<0.05).生物学效应试验表明, 育苗钵高浓度浸提液对黄瓜发芽率影响显着, 低浓度浸提液对种子发芽率有一定的促进效应;育苗效果试验验证育苗钵对黄瓜生长长势有促进作用。以干湿热循环处理后拉伸强度为自变量, 育苗钵育苗周期为因变量, 建立了相关模型y=-0.35X2+9.43X-5.85(R2=0.947 3).该育苗钵具有适宜的耐水性和强度, 育苗效果良好, 是一种理想的育苗器具, 可应用于作物的育苗

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