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qian lun 3414 fei xiao shi yan zhi que xian
Author(s): 
Pages: 55-57
Year: Issue:  10
Journal: Anhui Agricultural Science Bulletin

Keyword:  GetLinkList(KeywordFilter('“3414”肥效试验试验设计缺陷')'kw''CJFQ');
Abstract: 该文阐述了以农业部实施的测土平衡施肥在许昌县进行的20个3414冬小麦肥效试验和17个3414夏玉米肥效试验为例,通过方程拟合和施肥量计算等,发现3414试验存在方程拟合成功率低、同一试验所推荐施肥量不同、对土壤养分长期变化、产量影响无法获知,对部分限制因子未作考虑,试验基础与实际生产不符等问题。
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