Effects of Three Winter Green Manure of North China on the Growth and Nutritional Quality of Lettuce

doi:10.7668/hbnxb.2015.06.024

Abstract

Abstract: Under the condition of pot experiment these treatments were designed:winter green manure(WGM),the treatments of doubled winter green manure(2WGM)and the fertilizer combination of WGM and Urea(N) by no N fertilizer and N as control(CK) for studying winter green manure in north China on the effects of growth and quality of lettuce.The results showed that compared with CK and urea,2WGM could significantly increase the yield of lettuce,which increased about 3.95-4.52 and 1.31-1.50 times.Compared with urea,winter green manure was conducive to development of root length,2WGM were the best.Urea and winter green manure could increase the nitrate content of lettuce,winter green manure reducing nitrate accumulation in lettuce in varying degrees,WGM were the best;compared with the CK and N,winter green manure could promote the accumulation of soluble sugar and soluble protein content in lettuce.Compared with CK,the only 2WGMI treatment could promote the synthesis of lettuce vitamin C;Compared with urea treatment,2WGM,WGM and the fertilizer combination of WGM and urea significantly increased content of vitamin C,the difference was significant.This work provided the basic data for application of winter green manure in north China on vegetable crops.

Key words: Winter green manure, Lettuce, Growth, Nutritional quality

CLC Number:

S142

ZHAO Qiu, ZHANG Xin-jian, NING Xiao-guang, GAO Xian-biao, CAO Wei-dong, SUN Xiang-yang. Effects of Three Winter Green Manure of North China on the Growth and Nutritional Quality of Lettuce[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2015, 30(6): 159-163. doi: 10.7668/hbnxb.2015.06.024.

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