1) Plentiful-lack index of nutrient
养分丰缺指标
2) fertilization method based on nutrients rich or defection in soil
养分丰缺指标施肥法
3) nutrient
养分
1.
Quantitative estimation of nutrient content in DAP products;
磷酸二铵产品养分含量的定量估算
2.
Effect of slog containing silicon on nutrient absorption and yield of rice;
含硅熔渣对水稻养分吸收及产量的影响
3.
Characteristic of nutrients and polluting chemistry in dredged sludge;
疏浚底泥的养分特征及污染化学性质研究
4) nutrition
养分
1.
The Nutrition Status of Tobacco Soils with Different Types and Balance Fertilization in Xinyang;
信阳市不同类型植烟土壤养分现状及平衡施肥
2.
Study on the nutrition characteristics of rhizosphere soil and wood soil in Fokienia hodginsii with Schima superba mixed forest;
福建柏木荷混交林林地与根际土壤养分特性的研究
3.
Study on the effects of fertilization on dynamic variety of soil nutrition of grassland;
施肥对草原土壤养分变化的研究
5) Nutrients
养分
1.
Effect of nitrogen application rates on the concentration and distribution of nutrients in maize;
氮肥用量对玉米体内养分浓度和养分分配的影响
2.
Characteristics of nutrients of main tobacco cultivated soils and recommend fertilization techniques in Simao city;
思茅市主要植烟土壤养分特征及推荐施肥技术
3.
Effect of Site Condition on Biological Characteristics of the Nutrients in Larix olgensis;
立地条件对长白落叶松养分生物学特性的影响
6) soil nutrients
养分
1.
The content of soil nutrients and pH of the 52 soil samples in the plough layer(0~20 cm) of groundwater-irrigated farmland soils and sewage-irrigated farmland soils which had been irrigated swine wastewater of Jing an swine-farm 8 years was measured,whose aim was to study that soil nutrients and pH in soils were affected by long-term swine wastewater applied.
为了了解长期灌溉猪场废水对农田土壤pH值和土壤养分的影响,采集了河北省京安猪场区域农田清灌区和灌溉8年猪场废水污灌区的耕层(0~20 cm)共52个土壤样品,测定了样品的pH值和土壤养分,应用GIS结合地统计学方法对pH值和养分进行空间结构和分布特征分析。
2.
According to the data of long-term soil profile measure and soil monitoring in the last years,the dynamic tendency of soil nutrients in the fixed location was discussed.
根据具有较长时间跨度的土壤剖面监测和最新年度土壤监测数据分析表明,在现有施肥和管理水平下,土壤养分及酸碱度总的变化趋势为:土壤有机质、全氮、全磷、全钾含量以上升和稳定为主;碱解氮、有效磷含量稳中有升,速效钾含量升降各半;有效铜、锌、铁、锰含量有上升趋势,有效硼有下降趋势而有效钼有升有降;中性和微酸性土壤pH值普遍降低,土壤酸化明显。
参考词条
补充资料：养分丰缺指标施肥法
分子式：
CAS号：
性质：合理施肥技术方法之一，根据土壤养分测定值与作物产量(或吸收养分量)之间存在较好相关性原理，通过肥效试验，将多点的土壤养分测定值和其相对应的相对产量(空白区产量/全肥区产量×100％)，按照国际通用标准，确定该地区某种作物的土壤养分丰缺指标，不同土壤养分丰缺状况反映出施用该肥料的不同增产效果，从而确定合理施肥量和养分配比。
CAS号：
性质：合理施肥技术方法之一，根据土壤养分测定值与作物产量(或吸收养分量)之间存在较好相关性原理，通过肥效试验，将多点的土壤养分测定值和其相对应的相对产量(空白区产量/全肥区产量×100％)，按照国际通用标准，确定该地区某种作物的土壤养分丰缺指标，不同土壤养分丰缺状况反映出施用该肥料的不同增产效果，从而确定合理施肥量和养分配比。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。