2 द्वारा ईबुक M.B. Jackson
M.B. Jackson: New Root Formation in Plants and Cuttings
The formation of roots is in some respects one of the least fundamentally understood of all plant functions. Propagation by cuttings is the aspect that will occur first to most gardeners and horticul …
PDF
अंग्रेज़ी
DRM
€114.92
