搜索结果: 1-2 共查到“蔬菜学 infestation”相关记录2条 . 查询时间(0.109 秒)
EVALUATION OF DIFFERENT METHODS OF POTATO WEED CONTROL PART II. RELATIONSHIPS BETWEEN WEED INFESTATION AND YIELDING
potato weed infestation yield linear correlation analysis of regression
font style='font-size:12px;'>
2009/3/30
The research results come from a field experiment which was carried out over 1995-1997. The effect of weed infestation on potato yielding was determined by means of the coefficients of correlation and...
Effects of age and height of onion (Allium cepa L.) plants on infestation thrips, Thrips tabaci Linderman（（Thysanoptera：Thripidae）in Sokoto, Nigeria
Plant-age height infestation onion Thrips tabaci
font style='font-size:12px;'>
2009/3/4
Three sets of onion (Allium cepa L.) crops transplanted at 4 week intervals were exposed to thrips, Thrips tabaci Lindeman (Thysanoptera, Thripidae) infestation at different times from February to M...