Interactive Effects of Light Intensity and Nitrogen on Seed Germination of Raphanus Sativus
The seeds of raphanus sativus were taken as test material,and hydroponic experiments were carried out in perti dishes.Three different light treatments were set up:full light(L1),semi-shade(L2),and darkness(L3).Five types of nitrogen fertilizers were set under each light treatment.The effects of concentrations(0,25,50,75,100 mg/L)on R.sativus seed germination and seedling growth were studied.The results showed that under dark conditions,applying nitrogen fertilizer at a suitable depth will increase the weight of seedlings,thus improving the quality of seedlings.It also proves the comprehensive and compensatory effects of ecological fac-tors in the environment.
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