1) ratio of nitrogen as base manure
基肥施氮比例
1.
The quadratic regression rotation combination design was used to investigate effects of applying nitrogen amount,ratio of nitrogen as base manure and density of spot seeding on effective spikes and single stem weight of rice population at heading stage.
利用三因素二次回归旋转组合设计探索水稻旱种的施氮量、基肥施氮比例及点播密度对水稻抽穗期群体的有效穗、单茎重的影响。
2) Nitrogen fertilizer applied ratio
氮肥基追比例
1.
The paper studied the effects of different density and Nitrogen fertilizer applied ratio on the groups quality of high gluten wheat.
以皖麦38为材料,研究了不同密度和氮肥基追比例互作对强筋小麦群体质量的影响。
3) N ratio of base fertilizer and top dressing
氮肥基肥和追肥比例
1.
[Result] The row spacing,N ratio of base fertilizer and top dressing and their interaction effect all had obvious effect on the activities of POD,SOD and the content of MDA and chlorophyll in flag leaf.
[结果]行距、氮肥基肥和追肥比例及其互作效应对POD和SOD活性,旗叶MDA和叶绿素含量均有明显影响;行距为16 cm时,基肥和追肥比例为4∶6的处理,小麦POD、SOD活性和叶绿素含量始终最高,MDA含量最低。
5) N ratio of split application
氮肥分期施用比例
1.
Using the 3414 and {3,2} single shape check saturated designs,a mathematical model for NPK application on the yield,fertilization benefit and N ratio of split application at different growing stages of Chinese kale(Brassica albograbra Bailey)were studied with field experiments.
采用"3414"设计和{3,2}单形格子饱和设计试验方案,开展芥蓝平衡施肥田间试验,模拟出芥蓝氮、磷、钾肥料施用量与产量、施肥利润及氮肥分期施用比例的回归数学模型。
2.
The effect functions of NPK application on economical yield, fertilization benefit and N ratio of split application at different growing periods of cauliflower(Brassica oleracea var.
应用311-A拟饱和最优回归设计和｛3,2｝单形格子饱和设计,通过氮磷钾肥配比和氮肥分期施用田间试验,拟建花椰菜施用氮磷钾肥对经济产量、施肥利润及氮肥分期施用比例的效应函数。
3.
K coordinative application on economical yield,fertilization profit and N ratio of split application at different growing stage of scallion were studied by the field experiments with 311-A best regression design of supposed saturation and {3,2} saturated design of single shape check.
应用311-A拟饱和最优回归设计和{3,2}单形格子饱和设计,通过氮磷钾肥配比和氮肥分期施用田间试验,拟合大葱施用氮磷钾肥对经济产量、施肥利润及氮肥分期施用比例的效应函数,寻优结果表明:大葱最高产量施肥量分别为N 317。
6) the base nitrgen fertilizer
基施氮肥
补充资料：基肥
分子式：
CAS号：
性质：播种(或定植)之前深施入土的肥料。施基肥为作物生长发育创造良好的土壤条件，满足作物整个生育期对养分的需要，并兼有培肥改土的作用。厩肥、堆肥等有机肥料，以及碳酸氢铵、沉淀磷酸钙、钙镁磷肥、磷矿粉等化肥均适作基肥。
CAS号：
性质：播种(或定植)之前深施入土的肥料。施基肥为作物生长发育创造良好的土壤条件，满足作物整个生育期对养分的需要，并兼有培肥改土的作用。厩肥、堆肥等有机肥料，以及碳酸氢铵、沉淀磷酸钙、钙镁磷肥、磷矿粉等化肥均适作基肥。
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参考词条