Soybean is widely used as food. Genetic factors, as well as agrotechnical procedures, affect the yield and quality of soybeans. The subject of our research was the synchronization between soil N supply (from both mineralization and fertilization) and crop N demand. The aim of the research was to determine the effect of the cultivar and nitrogen application on the seed yield and mineral content in soybeans. Two non-GMO soybean cultivars (Amandine and Merlin) and four mineral nitrogen fertilizers ((A) N 0, control; (B) N 30:0, 30 kg N ha-1 before sowing; (C) N 0:30, 30 kg N ha-1 at BBCH 73-75; (D) N 30:30, 30 kg N ha-1 before sowing and 30 kg N ha-1 at BBCH 73-75) were tested. The highest soybean yield was obtained following nitrogen application at a rate of 60 kg ha-1. The genetic factor was found to significantly influence the content of some macronutrients (P, K, and Mg) and micronutrients (Cu, Mn, and Fe). In general, the Merlin cultivar had better macronutrient parameters except nitrogen, while Amandine had a higher content of Cu and Fe. Nitrogen fertilization decreased the content of P, K, and Zn in the soybeans but significantly increased the content of Ca, Mg, Cu, and Mn.

译文

:大豆被广泛用作食品。遗传因素以及农业技术程序都会影响大豆的产量和品质。我们研究的主题是土壤氮供应(来自矿化和施肥)与作物氮需求之间的同步。该研究的目的是确定栽培品种和施氮量对大豆种子产量和矿物质含量的影响。两个非转基因大豆品种(Amandine和Merlin)和四个矿物氮肥((A)N 0,对照;(B)N 30:0,30 kg N ha-1播种前;(C)N 0:30, (BB)73-75时30kg N ha-1;(D)N 30:30,播前30 kg N ha-1和BBCH 73-75时30 kg N ha-1)。施氮量为60 kg ha-1后,大豆产量最高。发现遗传因素显着影响某些常量营养素(磷,钾和镁)和微量营养素(铜,锰和铁)的含量。通常,除氮外,Merlin品种的常量营养素参数更好,而Amandine的Cu和Fe含量更高。施氮减少了大豆中P,K和Zn的含量,但显着增加了Ca,Mg,Cu和Mn的含量。

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