... calcium out of the vacuolar store and the magnitude, duration, and precise location of these increases give a series of calcium signatures that are part of the responses of a plant to a range of environmental ... concentration of calcium in the apoplast of surrounding cells without affecting the osmotic balance of the tissue (48). A variety of different forms of the crysta...
Ngày tải lên: 02/07/2014, 00:20
... sugarcane (300–700 kg of Si ha Ϫ1 ), rice (150–300 kg of Si ha Ϫ1 ), and wheat (50–150 kg of Si ha Ϫ1 ) (10). On an average, plants absorb from 50 to 200 kg of Si ha Ϫ1 . Such values of silicon absorbed ... effect of silicon on growth, size of leaf area and sorbed surface of plant roots. Agrochemistry 10:117–120, 1975. 66. V.V. Matichenkov. The silicon fertilizer effect of roo...
Ngày tải lên: 02/07/2014, 00:20
LUYỆN ĐỌC TIẾNG ANH QUA TÁC PHẨM VĂN HỌC-JOURNEY TO THE CENTER OF THE EARTH -JULES VERNE- CHAPTER 36 docx
... was not torn over the sharp edges of the rocks,it was because the powerful arm of Hans came to my rescue. The brave Icelander carried me out of the reach of the waves, over aburning sand ... JOURNEY TO THE CENTER OF THE EARTH JULES VERNE CHAPTER 36 CALM PHILOSOPHIC DISCUSSIONS Here I end what I may call my log, happily ... the question of provisions to be set...
Ngày tải lên: 01/07/2014, 14:20