NH4+-N 第1页

Temporal-spatial variations of ammonia and nitrate under application of inorganic and organic fertilizers in purple soil of winter wheat Efect of Root-zone Hypoxia on NO₃ ^--N， NH₄⁺-N and Protein Contents ofMuskmelon Seedlings Ammonia volatilization in gleyed paddy field soils of Taihu Lake region Spatial variations of soil ammonia and nitrate under application of inorganic and organic fertilizers in purple soil—Summer corn season Effects of urease and nitrification inhibitors on alleviating the oxidation and leaching of soil urea‘s hydrolyzed product ammonium A Preliminary Study on NH₄⁺-N Uptake Kinetics of Potamogeton malaianus under Different Nutrient Conditions Effects of different nitrogen forms on nutrient uptake, yield formation and quality of cabbage Characteristics of ammonium N and nitrate N accumulation in dryland soil in relation with wheat yield. Effects of NH4+-N/ NO3--N ratios on kinetics of nitrate uptake by two typical lettuce genotypes in hydroponics Effects of medium pH and N forms on aerenchyma formation in roots of different rice genotypes Effects of amino acid-N and ammonium-N on wheat seedlings under sterile culture Effects of elevated temperature and CO₂ concentration doubling on soil total soluble nitrogen in subalpine coniferous forest of western Sichuan, China Changes in soil nitrogen characteristics during grassland desertification in Northwest Sichuan Influence of Nitrogen Forms on Oat Growth and Phosphorus Uptake Characteristics of vegetation and soil inorganic nitrogen concentrations under different disturbed habitats in a weak alpine ecosystem Dynamics of different soil nitrogen pools after appIying different types of nitrogen fertilizers Effects of elevated atmospheric CO₂ on paddy soil nitrogen content during rice season. Distribution and fate of nitrogen fertilizer in various soil nitrogen pool at wheat seedling stage Effects of different nitrogen forms on rice seedlings under sterilized culture at high temperature Effect of different structure of fertilizer on the migration of nitrogen in red rice soil The Effect of NH₄⁺-N on Anatomical Structure of Alfalfa Conducting Tissue Effects of Exogenous Spd on NO₃^--N,NH₄⁺-N Contents and Nitrate Reductase Activity of Salt Stressed Leaves and Roots of Cucumber Seedlings Effects of simulated nitrogen deposition on soil available nitrogen forms and their contents in typical temperate forest stands. Acidity and Inorganic Nitrogen Concentrations in Soil Solution in Short-term Response to N Addition in Subtropical Forests Effects of different nitrogen forms and their ratios on broccoli yield, quality, and nutrient absorption. COMPARISON OF NH_4~+-N AND NO_3~--N NUTRITION IN HYBRID AND CONVENTIONAL RICE AT THE LATE GROWTH STAGE Efect of Root-zone Hypoxia on NO₃ ^--N， NH₄⁺-N and Protein Contents ofMuskmelon Seedlings The Dynamics of Soil Nh4+-N and NO3--N in a Pine Forest of Dinghushan, as Assessed by Ion Exchange Resin Bag Method Concentration change and migration characteristics of nitrogen in the paddy field of Ningxia Yellow River Irrigation Area Effects of NH₄⁺-N/NO₃^--N ratio on pak-choi nitrogen metabolism and enzyme activity under weak-light