Effect of different seminal rhizomes on yield and quality of Curcuma longa / 中国中药杂志

<p><b>OBJECTIVE</b>To study the effect of different seminal rhizomes on the growth, quality and quantity of Curcuma longa root.</p><p><b>METHOD</b>Single factor randomized block design was applied, plant samples were collected and investigated periodically, and dry weight, production and the main active ingredient content were measured.</p><p><b>RESULT</b>The difference seminal rhizomes affected the growth, quality and quantity of C. longa root.</p><p><b>CONCLUSION</b>The bigger and stronger rhizomes should be chosen as seeds.</p>

Preliminary study of fertilizer effect on yield and quality of Fritillaria ussuriensis / 中国中药杂志

<p><b>OBJECTIVE</b>To preliminarily study the effect of fertilizer methods on the yield and quality of Fritillaria ussuriensis.</p><p><b>METHOD</b>Through the investigation of the available nitrogen, phosphorus, potassium in soil fertility of F. ussuriensis planting field as well as the measurement of total nitrogen, phosphorus, potassium contents in bulbus of F. ussuriensis, the balanced fertilization plan for cultivation of F. ussuriensis was made.</p><p><b>RESULT</b>The optimal fertilizing amount was 13.0 kg x m(-2) pig dung, or 5.5 kg x m(-2) deer dung and 6.5 kg x m(-2) pig dung, or 11.0 kg x m(-2) deer dung.</p><p><b>CONCLUSION</b>Effective fertilizing may increase significantly the yield and quality of F. ussuriensis.</p>