Abstract: In order to explore the improvement of Ca and Zn nutrition of peanut plants in southern paddy soil by different fertilization modes, the large seed variety Xianghua 2008 and southern paddy soil were used as research objects,this paper set 7 different fertilization modes (T1: No fertilizer; T2: Compound fertilizer 750 kg·hm-2; T3: Compound fertilizer 375 kg·hm-2; T4: Compound fertilizer 375 kg·hm-2+ rhizobium; T5:Compound fertilizer 375 kg·hm-2+ rhizobium + calcium fertilizer ; T6: Compound fertilizer 375 kg·hm-2+ rhizobium + zinc fertilizer; T7:Compound fertilizer 375  kg·hm-2+ rhizobium + calcium fertilizer + zinc fertilizer), and used ridge and film cultivation to study the effects of different fertilization modes on Ca and Zn content, accumulation and pod distribution coefficient of peanut organs. The results showed that: the single application of calcium fertilizer and zinc fertilizer significantly increased the Ca and Zn content in peanut roots, stalks, leaves, gynophores, and pods, up to 53.42% and 41.57%, respectively; With the simultaneous application of calcium and zinc fertilizers, except for the reduction of the corresponding Ca and Zn content, accumulation, and pod distribution coefficient of some organs, the rest of the organs were improved compared to those without calcium fertilizer and zinc fertilizer. The maximum Ca and Zn accumulation increased by 48.66% and 49.55%, respectively, the Ca and Zn distribution coefficient of pods reached 0.080 and 0.180, respectively, and the differences between treatments were significant. There was a synergistic absorption relationship between Ca and Zn accumulation and distribution coefficient between the calcium treatment and the zinc treatment. It had accelerated the enrichment of Ca and Zn to the pods, expanded the "storage capacity", and increased the utilization of fertilizers. It laid the foundation for high yield of peanut and provided theoretical basis for high yield and high efficiency cultivation of peanut in paddy soil in the south.

Key words: peanut, fertilization mode, calcium, zinc

摘要： 为探明不同施肥模式对南方水稻土花生植株Ca、Zn营养改善状况，以大籽品种湘花2008和南方水稻土为研究对象，设置7个不同施肥模式（T1：不施肥；T2：复合肥750 kg·hm-2；T3：复合肥375 kg·hm-2；T4：复合肥375 kg·hm-2+根瘤菌；T5：复合肥375 kg·hm-2+根瘤菌+钙肥；T6:复合肥375 kg·hm-2+根瘤菌+锌肥；T7:复合肥375 kg·hm-2+根瘤菌+钙肥+锌肥），起垄覆膜栽培，研究不同施肥模式对花生各器官Ca、Zn含量、积累量及荚果分配系数的影响。结果表明：单施钙肥和锌肥均明显提高了花生根系、茎秆、叶片、果针、荚果中Ca和Zn含量，最高分别提高了53.42%和41.57%；同时施用钙肥和锌肥，除了部分器官相应的Ca和Zn含量、积累量、荚果分配系数降低外，其余器官均比未施用钙肥和锌肥处理有所提高，Ca和Zn积累量最高分别提高了4866%和49.55%，荚果Ca和Zn分配系数最高分别达到0.080和0.180。施钙处理和施锌处理两者间对Ca与Zn积累量及分配系数存在协同吸收关系，呈极显著正相关，从而加快了Ca与Zn向荚果的富集，扩大了“库容”，提高了肥料的利用率，为花生高产打下基础，为南方水稻土花生高产高效栽培提供了理论依据。

关键词: 花生, 施肥模式, 钙, 锌