蚯蚓粪浸出液对水培蔬菜生长的影响

Effect of Earthworm Cast Extract on Growth of Hydroponic Vegetables

蚯蚓粪是很好的腐熟有机肥料,其对作物的生长发育有一定的促进作用。本文选用香菜、菜薹、小白菜、生菜4个蔬菜种类,采用蚯蚓粪浸出液代替传统的营养液,探究蚯蚓粪浸出液对水培蔬菜生长的影响。结果表明,使用蚯蚓粪与水按1∶15的配比所得浸出液栽培4种蔬菜,蔬菜各项指标综合最优,该浸出液中的营养元素及有机物质浓度最低,最有利于4种蔬菜的生长。

Earthworm cast is a very good rotten organic fertilizer,and it has a certain accelerative effect on growth and development of corps.In this paper,four vegetable varieties of coriander,bolt,Chinese cabbage and lettuce were selected,and earthworm cast extract was used to replace the traditional nutrient solution to explore the effect of earthworm cast extract on the growth of hydroponic vegetables.The results showed that the cultivation of the four vegetables with extract solution(ratio of earthworm cast to water was 1∶15)had the optimal comprehensive indexes,and the contents of nutrient element and organic substance were the lowest,which was beneficial to the growth of four vegetables.