落鈴棉 的英文怎麼說
中文拼音 [làlíngmián]
落鈴棉
英文
green cotton-
It was the first trial to employ the newly equipped migration data acquisition and analysis system for the scanning entomological radar and, a twin light - trap developed in china for, systematic long - term observations of migration of the beet armyworm spodoptera exigua, beet webworm loxostege sticticalis and cotton bollworm helicoverpa armigera in northern china the study provided direct evidence for the migration of 5 ". exigua in china, many parameters of migratory behaviour of the three species of insects, a better understanding of the relationship between migratory behaviour and wind or temperature field. the results enriched the theory of migration and provided new scientific knowledge for pest management in china
本研究初步闡明了我國華北地區空中昆蟲群落結構，首次使用我國自行研製的掃描昆蟲雷達的數字化數據採集及分析系統，及價廉、高效的姊妹燈誘蟲法對華北地區甜菜夜蛾spodopteraexigua 、草地螟loxostegesticticalis和棉鈴蟲helicoverpaarmigera的遷飛進行了長期系統地觀測，得到了甜菜夜蛾在我國北方遷飛的直接證據，三種害蟲遷飛行為的若干參數，認識了昆蟲遷飛行為與風溫場的關系，豐富了昆蟲遷飛理論，為我國害蟲的治理提供了科學依據。Severe water deficit at seedling stage and wadding stage, medium water deficit at buds and bolls stage can be propitious to cotton yield
結果表明，調虧灌溉對棉花株高、蕾鈴脫落、成桃數等影響較顯著；苗期和吐絮期重度水分虧缺、蕾鈴期中度水分虧缺均有利於棉花產量的形成。If they are not fertilized and watered in time, the cotton bolls will wither and fall down for lack of nutrition
此時如果不適當地施肥澆水，就會造成棉鈴因缺乏營養而凋落。
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