不同土壤改良剂在榨菜上的应用效果研究

Application Effects of Different Soil Conditioners on Tuber Mustard

本文采用大田试验,研究生石灰、石灰氮、百解酸、田师傅土壤调理剂对榨菜产量、病害、土壤理化性状的影响。结果表明,各土壤改良剂都能提高土壤p H值,增加榨菜产量,减轻病害的发生。施用石灰氮1 500 kg/hm^2处理产量最高,根肿病发病株数最少、发病最轻,改酸效果最好、时间最长,产量达到了63 151.69 kg/hm^2,较对照常规施肥处理增加47.81%;其次是施用生石灰1 500 kg/hm^2处理,产量达到了61 483.15 kg/hm^2,较对照常规施肥处理增产43.91%,根肿病发病率也明显降低。

In this paper, the effects of quicklime, lime nitrogen, hydrolytic acid and Tianshifu soil conditioner on the yield, disease of mustard tuber and physical and chemical properties of soil were studied by field experiments. The results showed that all soil conditioners could increase soil pH value, increase the output of mustard tuber and reduce the occurrence of disease. Under the treatment of lime nitrogen 1 500 kg/hm^2, the yield of tuber mustard was the highest, the effect of acid modification was the best, the acid modification time was the longest, the number of clubroot was the least and the incidence was the least, the yield reached 63 151.69 kg/hm^2, 47.81% higher than that of the control. Followed by quicklime 1 500 kg/hm^2, the yield reached 61 483.15 kg/hm^2, increased 43.91% compared with the control, and the incidence rate of clubroot disease was also significantly reduced.