The influence of greenhouse environment on the growth of in Rudbeckia hirta, a biennial herbaceous flower was studied through comparative experiments conducted in a greenhouse and in the open air.
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美
释义
以二年生草本花卉黑心菊为材料;通过温室栽培和露天栽培之间的比较实验;研究了温室环境对其生长的影响.
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