采用砂培试验和电子显微技术，研究了不同水平氮锌配施对白三叶草根瘤发育和超显微结构的影响。
Sand culture experiment, electron microscopy technique were used to investigate the compound effects of nitrogen and zinc on nodule development and ultrastructure of white clover.
尾叶桉、湿地松施P肥的各水平均达显著或极显著差异，施N、K肥的只在个别年度有差异。
There was difference or significant difference between P level application treatments, difference appeared in some individual year for the N, K treatments.
盆栽试验结果表明，在本试验设定的土壤施硒范围内，魔芋叶含硒量为2。
In the range of application of Se in this experiment, Se content of Amorphophallus konjac in foliages, corms was 2.
从盆栽50天两种植物的生长状况来看，白三叶草的相对长势更好，同时对泥炭施入的依赖性更小。
According to the growth of the two species in 50 days, white clover has better growing trend and is less dependent on the adding of peat.
硫酸铵显著促进新梢生长并提高氨基酸含量，施茶树鲜叶显著促进茶树根系生长。
The results showed that dry weight of tea plant was significantly increased by applying tea leaf and ammonium sulphate.
下位叶比上位叶对土壤氮的供应状况更为敏感，随着施氮量的增加，水稻叶片氮素含量、叶绿素含量、SPAD值相应的增加，而下位叶的增幅更明显。
Leaf N/ chlorophyll content and SPAD value increased with the increasing N fertilizer, and the lower leaves were more sensitive to the soil N supply than the upper leaves.
研究了刈割次数、施氮量和混播比例对扁穗牛鞭草和白三叶混播草地产量和群落组成的影响。
The total yields and composition of mixed pasture under different cutting frequency, nitrogen fertilizer and seeding rates were determined.
施硫增加，各叶位全硫含量均显著增加，下部叶片明显累积较多的硫。
The sulphur concentrations in all leaves increased with the increasing of sulphur application rate and more sulphur accumulated in lower leaf was found.
在氮素代谢方面，增施氮肥使小麦旗叶中硝酸还原酶活性增加，旗叶中可溶性蛋白含量降低，可明显延缓小麦叶片的衰老；
Soluble protein in flag leaf, which implies senescence of flag leaf, tented to decline with the increase of nitrogen fertilization.
烤烟生长发育后期，同一留叶数条件下，叶片NR活性、根系活力随着施氮量的增加呈先升高后降低的趋势；
In the late stage of flue-cured tobacco growth, under the same level of leaf number, leaf NR activity and root activity increased and then decreased with the increase of nitrogen application.
施 奈 德 医生最担心的是她的左颞叶。
Of most concern to Dr. Schneider, however, was her left temporal lobe.
初步研究成果如下：1。不对顶蓬叶外施乙烯利时，叶片物候期对伤害结果没有显著影响；
The preliminary results are as follows:1. When top cluster leaves are treated by exogenous ethrel, leaves in different phenological-phase have no obvious effect on injuring;
初步研究成果如下：1。不对顶蓬叶外施乙烯利时，叶片物候期对伤害结果没有显著影响；
The preliminary results are as follows:1. When top cluster leaves are treated by exogenous ethrel, leaves in different phenological-phase have no obvious effect on injuring;
应用推荐