liberating nitrogen

Microbial effects on sediments nitrogen release in low water temperature

低温条件下微生物对沉积物氮释放的影响研究

Environmental effect of sediment dredging in lake: Ⅱ. the role of sediment dredging in reducing internal nitrogen release

湖泊底泥疏浚环境效应:Ⅱ.内源氮释放控制作用

Under the selected factors and levels,nitrogen release quantity from the mature substrate of wetland was investigated by orthogonal experiments.

通过正交试验考察了成熟湿地基质在选定的影响因素及水平下的氮释放量。

Effect of controlled-release nitrogen fertilizer on reducing nitrogen runoff loss and increasing nitrogen recovery efficiency of rice plant;

施用控释氮肥对减少稻田氮素径流损失和提高水稻氮素利用率的影响

Effects of a controlled-release nitrogen fertilizer on tea yield and quality and rational application technology;

茶树控释氮肥的施用效果与合理施用技术研究

Effects and rational application of controlled-release nitrogen fertilizer in paddy field of southern China;

稻田控释氮肥的施用效果与合理施用技术

Nutrient leaching characteristics of bulk blending fertilizer of controlled release nitrogen with different controlled nitrogen ratio

不同控释氮比例的控释氮掺混肥氮素淋失特征研究

Test method for nitrogen-released and gas-absorbed dynamic curve of nitrogen-doped getter

GB/T9506.5-1988掺氮吸气剂释氮吸气动态曲线测试方法

Effect of controlled-release nitrogen fertilizer on growth and fertilizer nitrogen use efficiency of double rice in southern China

控释氮肥对双季水稻生长及氮肥利用率的影响

Studies on Nitrogen Release and Use Efficiency of Controlled Release Nitrogen Fertilizer in Wheat Field in Chao Soil Region;

控释氮肥养分释放及在潮土麦田的肥效研究

Effect of Controlled Released Fertilizer on Yield and Quality of Spring Maize

控释氮肥对春玉米产量和品质的影响

Study on the rate of slow- release nitrogen fertilizer for super hybrid late rice

超级杂交晚稻缓释氮肥最佳用量研究

The concept of controlled-release nitrogen fertilizers( CRN) as a nitrogen management tool is not new.

用控释氮肥（rn）为氮素管理的一项措施已不是新概念。

Study on the Slow Release Nitrogenous Fertilizer and Legume Nitrogen Fixation in Dry and Infertile Sand on the Bashang Plateau;

冀西北坝上旱薄沙地缓释氮肥效应及豆科固氮效应研究

Study on Nitrogen Releasing from Sediments and External Nitrogen Leaching Active in Tianzhuang Reservoir;

田庄水库内源氮释放与外源氮淋滤行为研究

Effects of Different Controlled-Release Fertilizers and Nitrogen Level on N,P,K Use Efficiency

控释肥类型及氮素水平对氮磷钾利用率的影响

Nutrient (Nitrogen) Releasing Characteristics from Controlled Release Fertilizers and Their Rational Application;

控释肥料养分（氮素）控释效果与合理施用研究

Studies on Nitrogen Release and Use Efficiency of Special Controlled Release Fertilizer for Maize;

玉米控释专用肥的氮素释放与肥效研究

Model and effect of slow-release organic carbon-source materials on carbon release and denitrification

缓释有机碳源材料释碳模型与生物脱氮效应

Screening of slow releasing substrate of matrix-based fertilizer and its nitrogen release mechanism

基质肥料缓释基质的筛选及其氮素释放规律

Study on Rule of Nitrogen and Phosphor Release from Sediments in Yanghe Reservoir;

洋河水库底泥氮磷释放规律试验研究

Study on the Release Laws of Phosphorous and Nitrogen from the Sediment in Dredged Lake, Nanhu;

南湖疏浚后底泥氮、磷释放规律研究

Release of Nitrogen and Phosphorus from Animal Manure Simulated Direct Returning to Farmland

模拟畜禽粪便直接还田对氮磷的释放

Simulation on the Release of Nitrogen from Lake Sediment into Water

湖泊底泥氮释放规律模拟研究(英文)