1·According to the research of the accumulation of dry matter and carbon-nitrogen metabolism which are affected by the ratio between basal fertilizer and top-dressing, the results show that, 1.
通过对不同基追肥比例对烤烟干物质累积和碳氮代谢的影响研究，结果表明：1。
2·Appling molybdenum fertilizer could remarkably reduce accumulation of nitrate in lettuce and you-mai vegetable no matter which pattern of fertilization, basal-dressing and top-dressing.
无论是作底肥还是作追肥，施用钼肥均能显著抑制莴苣、油麦菜的硝酸盐积累。
3·In this study, the influences of different nitrogen fertilizer variety, nitrogen level and basal manure on nitrate accumulation and quality of cabbage were investigated in field experiments.
本文在田间试验条件下探讨了氮肥品种、用量及不同基肥种类对包心菜硝酸盐累积及品质的影响。
4·So we should change the traditional applying fertilizer method that phosphate fertilizer was only used as basal manure in tomato production.
因此，在番茄生产中应改变磷肥只作基肥施用的传统施肥方法。
5·Effect of different basal-dressing application methods and different amounts of fertilizer on NO emission from the soil grown with winter wheat was studied with the technique of static chamber.
用静态箱法对冬小麦不同基肥施用方式(表施、深施)和不同施用量下的土壤NO排放通量进行了研究，结果表明：肥料在土壤中的位置对NO排放通量的影响非常显著。
6·The tests drew many conclusions: When proportion of phosphate fertilizer as basal manure and top dressing was 6:4, the yield of tomato increased remarkably and the quality improved.
试验得出如下结论：磷肥做基肥与追肥配合施用且比例为6：4时，能显著提高番茄产量，改善品质。
7·At the full heading time the starch contents in secondary sink decrease as the increasing dose of basal dressing with nitrogenous fertilizer.
不同时期的氮索追肥使齐穗期次库淀粉含量因追肥时间推迟而增加，唯元江晚穗肥处理的低于中穗肥处理的。