Effects of microbial fertilizers on the quality and the production of lettuce in Bashang region in the northwest of Hebei province

doi:10.14088/j.cnki.issn0439-8114.2019.14.020

Abstract

Abstract: In order to study the effects of microbial fertilizer on the yield and quality of lettuce（Lactuca sativa L. var. ramosa Hort.）, lettuce was selected as the research material. The results showed that the treatments of applied microbial fertilizer could promote growth, increase yield and improve quality of lettuce. The plant height, fresh weight of upper ground, dry weight of upper ground, root activity, fresh weight of underground, dry weight of underground, and yield in the treatment of M2Y2[the basal application of microbial fertilizer 1 200 kg/hm²（M2）+foliar application of microbial agent 1∶200（Y2）] were significantly 18.27%, 61.04%, 88.20%, 101.43%, 59.34%, 125.00% and 64.74% more than CK, respectively, its soluble sugar, soluble protein and vitamin C were increased 63.59%, 42.35% and 117.32% compared with CK, respectively. The content of nitrite in the treatment of M2Y2 was reduced 66.07% that compared with CK. The most significant effect was the treatment of M2Y2. The treatment of M1Y2 was second, that was the basal application of microbial fertilizer 600 kg/hm²（M1）+ foliar application of microbial agent 1∶200（Y2）.

Key words: microbial fertilizer, lettuce（Lactuca sativa L. var. ramosa Hort.）, growth indicators, yield, quality

CLC Number:

S636.2

MIAO Ding-ding, ZHANG Jun-hua, HUANG Wei, WANG Wei-zhong, LI Gang. Effects of microbial fertilizers on the quality and the production of lettuce in Bashang region in the northwest of Hebei province[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(14): 83-86.

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