1. In 1971 it was renamed and used as a top-dressing plane, before being decommissioned in 1984. 1971年,她被重新命名,并用作施肥机;最终于1984年退役。
2. The effects of kinds and amounts of top-dressing on the growth, yield and quality of Jiading garlic at seedling stage were studied. 研究了苗期不同追肥种类和追肥量对嘉定白蒜植株生长、蒜头产量和质量等方面的影响。
3. Dry matter, Protein and oil accumulations in seeds of soybeans, under different density and nitrogen top-dressing treatments, were studied. 本试验研究了大豆在不同密度和施氮量处理下,子粒中干物质、蛋白质和脂肪积累的动态变化。
4. 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。
5. Compared with the treatment without DMPP, nitrogen recovery rate was improved by 13. 4% in the treatment adding DMPP on conditions top-dressing with top-dressing and lower application rate. 在氮肥追肥、低施氮量的情况下,与未添加DMPP的处理相比,施用DMPP的处理氮肥利用率提高了13.4%。