The influence of applying nitrogen fertilizer to nitrogen mineralization was studied in paddy soil.
对稻田土壤施外源氮对氮素矿化的影响进行了研究。
The ploughing-free technology was suitable for different methods of applying fertilizer and levels of applying nitrogen.
在本试验条件下，麦茬水稻免耕技术适宜于不同施氮水平和施肥方法采用。
Applying nitrogen fertilizer at heading stage could enhance contents of total nitrogen, total soluble protein, free amino acids and free lysine in wheat grains.
抽穗期施氮肥可提高小麦籽粒的全氮含量、总可溶性蛋白质量及游离态氨基酸与游离态赖氨酸量等。
The amount of the nitrogen mineralized by applying nitrogen fertilizer in continuously waterlogged incubation is much higher than that of control during the whole period of incubation.
土壤的氮素矿化氮量在连续培养过程中施氮肥处理明显高于对照处理；
Under different soil conditions, there were significant genotypic differences in effects of applying nitrogen fertilizer on nitrogen use efficiency, yield and characters of nitrogen uptake.
在不同土壤条件下，水稻施用氮肥的增产效应、氮肥利用效率和对氮素的积累与分配均存在显著的基因型差异。
Applying potassium, boron and zinc could increase nitrogen, phosphorus, potassium, boron and zinc uptake of lily and large-headed atractylodes rhizome.
施钾、硼和锌肥能增进百合和白术的氮、磷、钾、硼和锌养分的吸收量。
Only using boron fertilizer in field did not significantly increase sesame yield, but applying boron fertilizer coordinated with nitrogen and phosphorus had greatly increased the yield.
田间试验结果，单施硼肥增产不显著，而在适量氮肥和磷肥的基础上配合施用硼肥能显著地增加芝麻的产量。
Applying more nitrogen would increase the content of soil microbial biomass nitrogen, but might result in large amount of nitrate residue in soil and suspected to leaching loss.
继续增加施氮量，土壤微生物量氮含量增加，但土壤中残留大量硝态氮，易淋溶损失。
The effects of a nitrogen applying stage on both sucrose synthesis in flag leaves and cleavage in grains of wheat were studied by using HPLC and enzymological methods.
采用HPLC和酶学测定方法，研究了追氮时期对小麦开花后旗叶中蔗糖合成和籽粒中蔗糖降解的影响。
The study was conducted to reveal the mechanism of mineralization-immobilization turnover(MIT) of organic fertilizer nitrogen and to provide scientific references for applying manure and fertilizer.
揭示有机氮肥的矿化-固持周转过程机理，为合理施用有机肥和化肥提供科学依据。
Increasing the applying amount of nitrogen and phosphorus could all promoted nitrogen and phosphorus content in plants and total dry matter weight per unit area.
增施氮磷用量，均可提高油菜植株氮、磷含量和单位面积的总干物重。
The selective exposure of tissues to extreme cold, often by applying a probe containing liquid nitrogen, to bring about the destruction or elimination of abnormal cells.
冷冻手术有选择地将组织暴露在极度寒冷中，通常用含有液化氮的冷冻探针，来。
Field experiment was carried out to study effect of different nitrogen rate on growth, yield and quality of flue-cured tobacco when applying green manure to soil.
采用田间小区试验研究了绿肥全部还田条件下不同施氮水平对烤烟生长发育以及烟叶产量、产值和品质的影响。
Effects of applying different nitrogen fertilizer on yield, quality and nitrate leaching in soil layer were studied during the cucumber growth period in greenhouse.
不同施氮措施条件下，对保护地黄瓜生育期内氮素吸收利用效率、氮素淋洗损失进行了研究，同时也研究了不同处理对黄瓜产量及品质的影响。
Effects of applying different nitrogen fertilizer on yield, quality and nitrate leaching in soil layer were studied during the cucumber growth period in greenhouse.
不同施氮措施条件下，对保护地黄瓜生育期内氮素吸收利用效率、氮素淋洗损失进行了研究，同时也研究了不同处理对黄瓜产量及品质的影响。
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