采用田间试验研究了不同氮磷水平对北美海蓬子生长和品质的影响。 结果表明，氮、磷肥及其适量配合施用，北美海蓬子的总鲜质量和菜用产量都显著或极显著增加；
A field experiment was conducted to study the effect of different nitrogen and phosphorus level on total fresh weight and fresh weight of edible stems of Salicornia bigelovii Torr.
氮磷营养对水分胁迫下马蹄金不同生长时期、不同抗旱生理指标的影响不同，不同施肥水平对指标的影响差异也很大。
The effects of nitrogen and phosphorus nutrition in water stress were different indifferent indexes and in different growing stages, also in different levels of fertilizers.
在中低氮、磷、钾水平下，根系活力较强，吸肥优势明显，物质生产效率较高。
Strong superiority of NPK uptake in low and middle NPK supply levels.
维持培养液中适当低的氮水平，并保证足够量的磷供应即较低的氮磷比是促进塔玛亚历山大藻生长的重要原因。
Maintenance of continues low level nitrate with sufficient supply of phosphate, namely low N:P ratio, may facilitate the growth of Alexandrium tamarense.
采用三元二次回归正交组合设计，研究了氮、磷、钾三因素五个水平对湖北麦冬产量的影响。
T. ma was studied on the base of other studies, the experiment adopted with the combination design of orthogonal and quadratic regression equation.
以烟农24号和鲁麦21号为材料，研究了氮磷钾配施水平对小麦产量的影响。
Using wheat cultivar Yannong 24 and Lumai 21 as materials, effect of Formulated fertilizer application on wheat yield was conducted in this report.
结果表明，水稻田土壤有机碳、全氮和全磷含量水平均较高，水田改为旱地后土壤有机碳、全氮含量及C/N比值有较大幅度的下降，但全磷含量变化不大。
The results showed that the content of SOC, STN and STP had a high level in the paddy soil, but SOC and STN(except STP) decreased greatly after being changed to arid land.
结果表明，不同的氮、磷、钾施用水平对曼地亚红豆杉‘Hicksii’盆栽苗和田间栽培苗的生长量、枝叶产量和紫杉醇含量有显著影响，影响效应从大至小依次为氮、磷、钾。
The results show that the different fertilization levels of N, P and K have the remarkable influence on growth quantity, yield of branch and leaf and taxol content of T.
结果表明，不同的氮、磷、钾施用水平对曼地亚红豆杉‘Hicksii’盆栽苗和田间栽培苗的生长量、枝叶产量和紫杉醇含量有显著影响，影响效应从大至小依次为氮、磷、钾。
The results show that the different fertilization levels of N, P and K have the remarkable influence on growth quantity, yield of branch and leaf and taxol content of T.
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