Effect of applying fertilizer on nitrate accumulation in vegetables Effects of Exogenous Salicylic Acid on Nitrate Accumulation and Reduction and Assimilation in the Leaves of Chinese chive Effects of Exogenous Salicylic Acid on Nitrate Accumulation and Reduction and Assimilation in the Leaves of Chinese chive Effects of sulfur and salicylic acid on nitrate accumulation and nitrogen metabolism in leaves of Chinese chive Effects of nitrogen application and irrigation on soil nitrate accumulation, nitrogen balance and use efficiency in summer maize Effects of 5-Nitroguaiacol Sodium on Nitrate Reduction and Assimilation in the Leaves of Chinese Chive Advances in studies on accumulation and leaching of nitrate in farming soil Effects of nitrogen fertilizer on nitrate accumulation and nitrogen use characteristics in sweet sorghu The cause of nitrate accumulation in leafy vegetables Effects of N, K and Mo application on the nitrate accumulation at different growth stages of spinach Effect of nutrient management on nitrate accumulation of pakchoi under solution culture Application of ASI systematic approach on balanced fertilization of spinach Nitrate accumulation and distribution in soil profiles in ecosystem of upland on the Loess Plateau Changes of soil nitrogen types and nitrate accumulation in vegetables with single or multiple application of dicyandiamide Desiccation and nitrate accumulation of apple orchard soil on the Weibei dryland 应用~(15)N示踪法研究芹菜的硝酸盐积累 Patterns of Nitrate Accumulation in Different Garlic Varieties Changes of soil nitrogen supply in black loessial in Loess Plateau under long-term fertilization Effect of water and nitrogen coupling on soil nitrate movement and nitrogen uptake of muskmelon Effects of nitrogen fertilization on potato tuber yield, N uptake and soil NO3--N accumulation under plastic cover with drip irrigation