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育秧盘是水稻抛育秧的重要生产工具,目前应用的多以塑料钵体软盘为主。 根据农业部全国农技推广服务中心1996年制定的《PVC水稻育秧盘标准(试行)》规定,其主要质量指标定为:外观钵体孔破损率小于或等于2.0％,无气泡;钵体孔周壁及底部厚度大于或等于 0.05毫米;在40℃温度下,钵体不软化变形,在-15℃的温度下没有脆裂;耐折(持育秧盘长度方向的两边正反方向各折180度为
Seedling cultivation is an important tool for rice seedling throwing, the current application of plastic bowl-based floppy disk. According to the “Standards of PVC Rice Seedling Raise” (Trial) formulated by the National Agricultural Technology Extension Service Center of the Ministry of Agriculture in 1996, the main quality indicators are as follows: the appearance of the damage rate of the mortar hole is less than or equal to 2.0% and no bubbles are formed; The thickness of the peripheral wall and the bottom is greater than or equal to 0.05 mm; at 40 ° C, the bowl body does not soften and deform, and there is no embrittlement at the temperature of -15 ° C .; folding endurance (180 degrees for