【摘要】 2013-2016年连续4年,在河南省登封市试验基地进行机械播种试验,结果表明:机播省力省时省钱,可降低成本70.87%,提高效率21.33倍。机播与人工播种苗相比,除部分当年生主根有弯曲外,生长量并无显著性差异。更多还原

【Abstract】 From 2013 to 2016 for 4 consecutive years, the results of mechanical seeding experiment in Dengfeng city of Henan Province test base: sowing time and labor saving money, the cost can be reduced by 70.87%, the efficiency is improved by 21.33 times. Compared with artificial sowing seedlings, in addition to the root part of the year students bending, growth has no significant difference.更多还原