营养诊断

SPAD值在玉米氮素营养诊断及推荐施肥中的应用

Application of SPAD Value on N Nutritional Diagnosis and Fertilization Recommendation

叶绿素仪在夏玉米氮营养诊断中的应用

Application of chlorophyll meter on N nutritional diagnosis for summer corn

矢量法营养诊断结果表明：未施肥的杨树各组织N、P、K均为缺乏状态，N、P、K是杨树生长的限制性因素。

It is showed from vector analysis : N , P and K are deficient in poplar unfertilized and they are limiting factors to poplar .

通过研究建立红枣营养诊断标准，提出N、P、K等元素适宜用量和比例，以及相应的施肥技术。

Based on study on the nutrition diagnosis standards of jujube , proper rate and ratio of N , P , K fertilizers and fertilization technology was put forward . 1 .

基于VB6.0的营养诊断专家系统

Nutrition Diagnosis Expert System Based on VB6.0

土壤P与叶片P含量呈负相关，表明在生产中应讲究P肥施用效果。由此也可见土壤分析与叶片分析在营养诊断中的互补作用。

Leaves N and soil N were positive correlation , Leaves P and soil P were negative correlation , so should scientific rational fertilize P. The result showed the soil and leaf analysis mutual effect in nutrition diagnosis .

NR活力可作为棉花氮素营养诊断的生理指标。

It is suggested , therefore , that NR activity can be used as a physiological index for the diagnosis of nitrogen nutrition in cotton plant .

利用NDVI仪的数据，成功反演了小麦植株的叶面积、叶绿素密度，展示了NDVI仪在作物长势、营养诊断方面的应用前景。

The winter wheat 's leaf area index and chlorophyll density are successfully detected by the NDVI instrument , which demonstrates the promising application of the NDVI instrument .

叶绿素计SPAD-502在水稻氮素营养诊断中的应用

Application of chlorophyll meter SPAD-502 in diagnosis of nitrogen status and nitrogenous fertilizer in rice

柳杉苗木综合营养诊断研究Ⅱ.田间DRIS指数法

Study on diagnosis and recommendation integrated system of Cryptomeria fortunei seedlings ⅱ . Indexes method of DRIS in fields

通过营养诊断的方法确定了三树种容器苗（一年生）的适宜养分浓度和DRIS诊断标准。

Reasonable nutrition concentration and the parameter of DRIS in these three seedlings ( one year ) are determined through the method of nutrition diagnosis .

RVI与茎基部硝酸盐含量和叶绿素测定值等常规诊断指标均呈线性正相关关系，适宜作为氮素营养诊断指标。

Ratio vegetation index ( RVI ) had a remarkable linear correlation with SPAD value and plant tissue nitrate concentration , which implies that RVI is a good indicator of plant N nutrition .

用DRIS营养诊断分析法，对不同配方施肥处理的金煌芒果实中矿质元素进行营养诊断，探讨各配方施肥处理的金煌芒果实中矿质元素平衡状况，以完善配方施肥处理方案。

Using DRIS analysis method was diagnosing the mineral elements of the Jinhuang mango fruit by the treatments of different formula fertilizer , it was studied the balance status of its mineral elements in order to improve the fertilization treatment program .

林木叶片营养诊断中的取样问题

Problems in sample collection in foliar nutrient diagnosis of forest tree

植物镁素营养诊断及镁肥施用

Nutrition Diagnosis of Magnesium in Plants and Application of Magnesium Fertilizer

基于红边参数的夏玉米长势监测及其营养诊断研究

Summer maize growth supervision and nutrition diagnosis with red edge parameters

反射仪在棉花营养诊断中的测定技术

Survey Technique of Diagnosing the Nutrition of the Cotton through Reflectometer

柑桔营养诊断中氮素测定的新方法

A New Method for Nitrogen Determination in Citrus Nutrient Deficiency Diagnosis

苎麻营养诊断最佳采样部位与采样时期

Optimum sampling position and sampling stage for nutrition diagnosis of ramie

新疆棉花氮营养诊断及追肥推荐研究

Study on Cotton Nitrogen Diagnosis and Topdressing Recommendation in North Xinjiang

钙质紫色土稻麦锌素营养诊断的研究

Zinc nutrition diagnosis of rice and wheat in calcareous purple soil

葡萄植株营养诊断与平衡施肥调节技术研究应用

Study and Application of Grape Nutrition Diagnosis and Balanced Fertilization Technique

土壤作物微量养分含量与营养诊断指标

Micronutrient Content in Soils and Plants and Its Nutrient Diagnostic Target

山楂叶片营养诊断技术的研究

A study of the technique on the Hawthorn Leaf nutritional diagnosis

基于水稻扫描叶片图像特征的氮素营养诊断研究

Diagnoses of Rice Nitrogen Status Based on Characteristics of Scanning Leaf

大白菜氮素营养诊断技术体系的研究

Study on Technology System of N Nutrition Diagnosis of Chinese Cabbage

冬小麦红边参数变化规律及其营养诊断

The Red Edge Parameters Diversification Disciplinarian and Its Application for Nutrition Diagnosis

基于神经网络的作物营养诊断专家系统

Crop nutrition diagnosis expert system based on artificial neural networks

冬小麦-夏玉米轮作氮肥施量与氮营养诊断

Recommendation of Nitrogen Fertilizer and Nitrogen Nutritional Diagnosis in Wheat Corn Rotation

水稻营养诊断研究&诊断图法

Study on diagnosis of rice nutrition status & graphic method for diagnosis