Effects of different planting time on growth and development of gladiolus stolon and cormel 唐菖蒲種球種植期對匍匐莖和子球生長發育的影響
The eventual results will tell us whether in future , the reserve needs to set up blocks of reeds of different ages to attract different species of birds 通過研究結果,我們可得知日后應否在區內預備不同種植期的蘆葦叢,以吸引更多不同品種的雀鳥。
The aims will be set up four blocks of reeds of different ages plus a fifth block that will be used as a control , and then to see if there are differences in how birds use these different aged blocks 此舉是為預備四塊不同種植期的蘆葦叢另外一塊用作對照標準,觀察不同種植期的蘆葦叢對雀鳥是否有不同的利用價值。
There is an annual movement of salt with water in coastal solonchak in liaoning as follows : the thawing - evapo - salinization period in spring , irrigation - leaching - desalting period in rice growing season from may to september , evapo - salinization period again in late fall and relatively stable period in winter 遼寧沿海鹽土中鹽分每年隨水移動如下:春季為凍融-蒸發-鹽化期, 5 ~ 9月為灌溉-淋洗-脫鹽水稻種植期,晚秋為蒸發-鹽化期,冬季為相對穩定期。