硝基复合肥中硝化抑制剂与硼复配对上海青生长及产量的影响 - 202106 - 肥料与健康
硝基复合肥中硝化抑制剂与硼复配对上海青生长及产量的影响
Effect of Nitrification Inhibitor and Boron Compound in Nitro-Compound Fertilizer on Growth and Yield of Brassica chinensis
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摘要:

为考察硝基复合肥中硝化抑制剂与硼砂的添加比例,以上海青为试验对象,分别对来自河南的褐土和广西的红壤开展了盆栽试验。结果表明:对褐土施用硝硫基冲施肥(20-5-10)+质量分数0.08% 3, 4-二甲基吡唑磷酸盐(DMPP)+质量分数1.0%硼砂处理的效果较好,上海青的叶片数、叶片相对叶绿素含量(SPAD值)、产量、根干质量与对照处理的相比分别增长8.39%、7.98%、7.46%、17.43%;对红壤施用硝硫基冲施肥(20-5-10)+0.08%DMPP+0.5%硼砂处理的效果较好,上海青的叶片数、叶片SPAD值、产量、根干质量分别比对照处理的增长9.85%、4.79%、6.94%、15.00%。硝基复合肥中硝化抑制剂和硼砂的添加比例需根据土壤类型进行配方设计,以提高产品的适应性和性价比。

关键词:
Abstract:

In order to investigate the addition ratio of nitrification inhibitor and borax in nitro-compound fertilizer, pot experiment is carried out on cinnamon soil from Henan and red soil from Guangxi with Brassica chinensis L. as the test object. The results show that the effect of applying nitro-sulfur based flushing fertilizer (20-5-10) + 3, 4-dimethylpyrazole phosphate (DMPP) with mass fraction of 0.08% + borax with mass fraction of 1.0% to cinnamon soil treatment is more effective, the number of leaves, relative chlorophyll content of leaves (SPAD value), yield and root dry weight of Brassica chinensis L. are increased by 8.39%, 7.98%, 7.46%, 17.43% respectively compared with the control treatment. The effect of applying nitro-sulfur based flushing fertilizer (20-5-10) + 0.08% DMPP + 0.5% borax to red soil treatment is better, the number of leaves, SPAD value, yield and root dry weight of Brassica chinensis L. increased by 9.85%, 4.79%, 6.94%, 15.00% respectively compared with control treatment. The addition ratio of nitrification inhibitor and borax in nitro-compound fertilizer needs to be designed according to the soil type, so as to improve the adaptability and cost performance of the product.

Keyword:
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