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- 籽粒N、P累积Grain nitrogen and phosphorus accumulation
- 不同播期对甜玉米籽粒N,P,K及可溶性糖的积累的影响研究Effect of sowing time on N,P,K and the nutrient accumulation of sweet corn seed
- p-n 结p-n junction
- 籽粒grain
- N素累积量nitrogen accumulation
- N/PN/P
- 镉锌复合污染对小麦籽粒镉累积的影响和有机肥调控作用Combination of Pollutants Cadmium and Zinc and Its Effects on Cd Accumulation in Wheat Grain and Adjustment by Organic Manure
- p-n结p-n junction
- NO3-N累积NO3-N accumulation
- 施氮与基因型对半湿润区冬小麦灌浆期籽粒氮、磷累积的影响Effects of nitrogen fertilizer and genotypes on the nitrogen and phosphorus accumulation of winter wheat grain during grain-filling period in a sub-humid farmland eco-system
- N／PN/P
- N、PN and P
- N-P系N-P series
- 陕西关中地区蔬菜地土壤的NO_3-N累积Nitrate N Accumulation in Vegetable Soil in Guanzhong Area of Shaanxi Province
- 双n/p比double n/p ratio
- 灌溉与降水对土壤NO_3~--N累积的影响Effect of Irrigation and Precipitation on Soil Nitrate Nitrogen Accumulation
- N-P准则N-P rule
- 供Mg水平对烤烟累积N、K、Ca、Mg的影响Effects of Mg supply on the accumulation of N, K, Ca, Mg in flue-cured tobacco
- C、N、PC
- 植物N/Pplant N/P
