1.
Study on the Application Ratio of Nitrogen and Phosphate and Law of Diminishing Returns for Corn
玉米氮磷最佳施肥比例与报酬递减律研究
2.
Effect of Optimum Ratio of Fertilizer Application on Yield and Quality of Tobacoo
最佳施肥比例对烟草产量和品质的影响
3.
Optimum Amount of Application and Suitable Ratio for Nitrogen, Phosphorous and Potassium on Cotton in East China Moist Soil Area
豫东潮土区棉花氮磷钾肥最佳施用量和适宜配比的研究
4.
Study on Fertilizer Response and Optimum Fertilizer Rate by Soil Testing and Fertilizer Recommendation Experiments;
基于测土配方施肥试验的肥料效应与最佳施肥量研究
5.
he best fertilizer applying period was on the 9th of February for bud fertilizer,the 31st of March for spring tip and the 20th of May for summer tip;
最佳施肥期是2月9日、3月31日、5月20日,分别施萌芽、春梢、夏梢肥;
6.
The experimental analysis of nitrogen fertilizer’s best application amounts on rice
氮素化肥在水稻上最佳施用量试验结果分析
7.
Study on mathematical model of optimum fertilizer application to Pinellia ternate cultivation
半夏高产高效栽培最佳施肥数学模型研究
8.
Optimum mixture ratio of night soil and leaves in aerobic co-composting
粪渣与树叶静态好氧共堆肥的最佳配比
9.
Research on the Best Ratio of Organic and Inorganic Fertilizer in the Celery Production
芹菜生产中的有机无机肥最佳配比研究
10.
Objective: To decide the best compatibility proportion.
目的：确定儿茶、青黛最佳配伍比例。
11.
Experimental Study on Fertilization and the Different Proportion Nitrogen Fertilizer of Jing-9428 Wheat
京9428小麦施肥量和氮素化肥不同施肥比例试验研究
12.
Studies on Optimal Applying Quantity of Fertilizer Specially Used for Eco-organic Soilless Eggplant Cultivation for Best Economic Efficiency
茄子有机生态型无土栽培专用肥最佳施用量的研究
13.
A number of fertility studies have been conducted in Costa Rica during the last decade to identify the best fertilizer rates to obtain the highest profitable yields.
哥斯达黎加过去10年做了一些肥力研究，确定可获最高营利产量的最佳施肥量。
14.
Study on Forest Production Unit of Optimal Economic Benefits of the Ratable Problem on Farming,Forest,Herd in Plain Oasis;
平原绿洲林业单位最佳经济效益比例初探
15.
Research on additives in ethanol gasoline and optimum ratio of ethanol to gasoline
乙醇汽油中添加剂及最佳乙醇比例的研究
16.
Study on Best Comparability Ratio of Radix Rehmanniae with Radix Aristolochiae Fangchi for Attenuation of Toxicity
生地对广防己减毒作用最佳配伍比例的研究
17.
Obtaining the highest fertilizer-use efficiency and increasing rice yield and quality are raising the level of PK application corresponding with the raised level of N application.
随着氮肥施用量的增加，磷钾相应增加才能发挥最佳肥效和提高产量、米质。
18.
Influence of N,P,K Ratio on Growth and Fruiting of Young Jujube (Zizypus jujuba) Tree
氮磷钾施肥比例对枣幼树生长和结果的影响