ÁÂÁÂDr. Wu. ¥ý¶i £x lecture. ¤p¤p½Ð±Ð¤@¨Æ: ¦¨®è ªøªáªÞ®É, ¦³ªác®É, ªá²±¶}®É, ¦UӮɴÁÀ³¬IªÎ¶Ü? How about the ratio of N:P:K ? Many thanks.
Best Regards. Sincerely, Dr.Ku. ¦¹¥DÃD¬ÛÃö¹Ï¤ù¦p¤U¡G «ö¦¹¬d¬Ý¹Ï¤ù¸Ô²Ó¸ê®Æ
¤U±¤Þ¥Î¥ÑDr-ku¦b 2004/11/30 04:58pm µoªíªº¤º®e¡G ÁÂÁÂDr. Wu. ¥ý¶i £x lecture. ¤p¤p½Ð±Ð¤@¨Æ: ¦¨®è ªøªáªÞ®É, ¦³ªác®É, ªá²±¶}®É, ¦UӮɴÁÀ³¬IªÎ¶Ü? How about the ratio of NK ? Many thanks.
Best Regards. Sincerely, Dr.Ku.