ãæè°çç´«å¶å³é¡¶é¨å¶çå¶ç¼åå¶èé¢å紫红è²ï¼èç§ç¹å«æ¯ä¸é¨ä¹å为紫红è²ï¼å¶çåå°ä¸ç±ç¼©ãå°å¶åæ¯é¡¶å¶åå°èç»é¿ï¼é¡¶é¨èé´ç»å¼±å é¿ï¼é¡¶é¨å çå¶ç¨çéè½ï¼æ¯ä¸ä¸é¨çæ£å¸¸å¶å°ã
ããç´«å¶åå°å¶ç
è¿ä¸¤ç§ççæ§ç
害å¾å¾åçå¨æ¥å£å·æ交æ¿æ¶èï¼å³2æ份ååï¼å°¤å
¶æ¯ç§»æ ½å1-2个æå³å°åèæ¶ï¼å¾å¾æ¯æ··ååçæ交æ¿åçãç¬è
认为ï¼è¥¿çº¢æ¿ç´«å¶å±äºççæ§ç¼ºç£·å¯¼è´ï¼èå°å¶ç
åæ¯ççæ§ç¼ºéå¼èµ·ãæè°ççæ§ç¼ºç´ ï¼å¯è½æ¯ç±äºå壤ã温度ãæ°´åãæ ¹ç³»çé¿ä¸è¯çå ç´ å¶çº¦æè´ã
ãã西红æ¿ççæ§ç缺éã磷ï¼é¦å
æ¯å壤å ç´ ï¼å¨å壤åç°æ¬¡ççæ¸åç¶ææ¶æå壤溶液æµåº¦åé
¸æ§æ¶ï¼é½è½ä½¿å壤ä¸ç磷åééä½æææ§ï¼å½±åæ ¹ç³»çå¸æ¶ãå½å壤çéæ°æ§ä¸è¯ï¼æ ¹ç³»çå¼å¸åå°æå¶æ¶ï¼ç£·åéä¹å¾ä¸å°ææçå¸æ¶å©ç¨ã
ããå½å°æ¸©ä¸éå°12â以ä¸æ¶ï¼æ ¹ç³»çæ´»åä¸éï¼å¸æ¶åè½åéï¼å¤æ°ç¿è´¨å
ç´ é½ä¸è½æ£å¸¸å¸æ¶ï¼å¿
ç¶åºç°ç¼ºç´ ã
ããå½å壤干æ±ç¼ºæ°´æ¡ä»¶ä¸ï¼å壤ä¸çç¿è´¨è¥å
»å¾ä¸å°æ°´ç溶解åæ¯æï¼å°±ä¸è½è¢«å¸æ¶ãå½å¤§æ°´æ¼«çæ¶ï¼å壤ä¸ç空æ°è¢«âæ¤èµ°âï¼æ ¹ç³»å¼å¸ä¸ç
ï¼è½»åä¸å¸æ¶ï¼éåæ²¤æ ¹æ»æ£µã
ããæ½è¥ä¸å½ä¹è½å¯¹æ ¹ç³»çå¸æ¶äº§çéè¦å½±åï¼å½æ½ç¨æ°®ç£·é¾è¥è¿éæ¶ï¼ç±äºç¿ç©å
ç´ é´çæ®æä½ç¨ï¼å°å½±å硼ãéãéçä¸å¾®éå
ç´ çå¸æ¶åè¿è¾ã
ãã综ä¸æè¿°ï¼è¥¿çº¢æ¿çç´«å¶åå°å¶ç
çæ¯ç±å¤ç§å ç´ å¼èµ·ç ï¼èå°æ¸©éä½ï¼å壤ç碱åæ¯ç¼ºç´ ç主è¦åå ãå¨é²æ²»ä¸ï¼åºéå以ä¸æªæ½å 以解å³ã
ããä¸ãéå½æµæ°´ãé¿å
å壤干æ±ç¼ºæ°´ï¼ä¿ä½¿ç¿è´¨å
»åç溶解å转åï¼æå©äºæ ¹ç³»çå¸æ¶ã
ããäºãæé«å°æ¸©ãéè¿å°èè¦çï¼å¯æé«å°æ¸©2âå·¦å³ï¼æå©äºæ ¹ç³»æ¢å¤å¸æ¶æ´»åãä¹å¯ä»¥éåä¸èåéå 以ä¿å¢æ温ã
ããä¸ãåæ¶æ´æãåæ©åèï¼æ¹åæ ªé´ééæ¡ä»¶ï¼ä¿è¿ä¸ªä½åè²è¯å¥½ï¼æå©äºæ ¹ç³»ççé¿ãåæ¶è¦åæ¶çé¤è¥å
»æï¼é¿å
æ è°çå
»åæ¶èã
ããåãçæ ¹é²æ²»ãç¨ç±å¤æ¶6000åä¸ç²å£³ç´ ææ¿æè-968æEMèçæ··å液çæ ¹ï¼å©äºè§£é¤å壤çæ¸ä¸ºå®³ï¼ä¿ä½¿å£®æ ¹å棵ï¼å¹¶æ解磷é¾çä½ç¨ãä¹å¯ç¨ç±å¤æ¶æ··å 300åäºéµå0.1%ç硼ç 液çæ ¹1-2次ã
ããäºãå¶é¢æ½è¥ã为尽快ç¼è§£ç¼ºç£·ãéççç¶ï¼åºåæ¶å·æ½ç»¿è¬å¨3å·æå¿ä¿¡çå¶é¢è¥ãä¹å¯å·æ½ç£·é
¸äºæ°¢é¾300åæ··å å«éå¶é¢è¥ãå·æ½ä»¥ä¸å¾®è¥æ¶ï¼å¯æ··æ½ç±å¤æ¶600åæè¸èç´ å
é
¯1500åï¼ä»¥å©å¢å¼ºå¸æ¶æçãæ ¹æ®å®é
æ
åµï¼å¯å·æ½1-3次ã
温馨提示:答案为网友推荐,仅供参考