ä¸ã水稻çä¸çï¼æ°´ç¨»æ¯æå½éè¦çç²®é£ä½ç©ã水稻ä»ç§ååè½å°æ°ç§åå½¢æçä¸çä¸ï¼åå为è¥å
»çé¿ãè¥å
»çé¿ä¸çæ®çé¿å¹¶è¿æåçæ®çé¿æä¸ä¸ªé¶æ®µã
äºã产éçå½¢æï¼æ°´ç¨»äº§éæ¯ç±åä½é¢ç§¯ä¸çææç©æ°ãæ¯ç©å®ç²æ°ãç»å®çååç²éææçãå¨æ°´ç¨»çé¿åè²è¿ç¨ä¸ï¼ä¸åçè²æ¶æå³å®çä¸å产éææå ç´ ãç©æ°æ¯ç±åºæ¬èæ°ååèæç©çæå³å®çãæ¯ç©å®ç²æ°åç¨»æ ªççè²æ
åµãæ ½å¹æ¡ä»¶åæ°åå ç´ çå½±åãç²éæ¯ç±æ½ç©åå
å产ç©é¡ºå©è¿éå³å®ã4个å ç´ ä¹é´ç¸äºèç³»ï¼ç¸äºå¶çº¦åç¸äºè¡¥å¿çå
³ç³»ã
ä¸ãåçæ½è¥ï¼æ°´ç¨»å¯¹æ°®ã磷ãé¾çå¸æ¶æ»éï¼æ¯ç产500å
¬æ¤ç¨»å约éä»å壤ä¸å¸æ¶æ°®ç´ 8â12.5åå
ï¼äºæ°§åäºç£·5â7.5åå
ï¼æ°§åé¾13â19åå
ï¼ä¸è
çæ¯ä¾å¤§è´æ¯2:1:2ãä½å¨ä¸åçå°åºãä¸åçå壤ç¹æ§ãåç§ç±»åãæ½è¥æ°´å¹³ã产éé«ä½çæ
åµä¸ï¼æ°´ç¨»å¯¹æ°®ã磷ãé¾çå¸æ¶é亦ä¸ä¸æ ·ãæ½è¥åºææ¡âåºè¥è¶³ãèè¥éãç©è¥å·§âçååã
åãåçä¹å¨æ°´ç¨»ä¸çæ½ç¨
1ãæç§æ³ï¼â ç´æç°ï¼æ¯äº©å¤§ç°ç¨åçä¹ç§æ¤ä¸ç¨è2â2.5å
¬æ¤ä¸å¬è½è¿çè°·ç§å
åæåï¼ä¸å4æ¶åææ大ç°ã â¡è²ç§§ï¼ä¸ºå¹è²å£®ç§§ï¼å秧ç°åºè¥ãæ奶è¥ã起身è¥ä¸åçæ
åµä¸ï¼æ¯ä¸¤å秧ç°ç¨0.5å
¬æ¤çåçä¹ç§æ¤ä¸ç¨èä¸å¬è½è¿çè°·ç§å
åæååæç§ã
2ãåºæ½ï¼å¨ç§»æ ½åè¿è¡ï¼æç»åææ½å
¥ç°ï¼å¦æææºè¥å¯æå
¥ææºè¥ä¸å ç½®3â4天ï¼æ秧åå°ææºè¥æå
¥å¤§ç°ï¼ææå
¥å¤åè¥æ秧åæå
¥å¤§ç°ï¼æ¯äº©å¤§ç°ç¨åçä¹ç§æ¤ä¸ç¨è1â2å
¬æ¤ã
3ãå·æ½ï¼å¯¹æ°´ç¨»ä¸ãåæï¼ç¼ºè¥ç°ååç¾åè¡¥ææªæ½ææè¾å¥½,æ¯äº©ç¨åçä¹ç§æ¤ä¸ç¨è0.5å
¬æ¤å æ°´100å
¬æ¤å·æ½ï¼å
ç¨å°éæ°´å°çç©è¥æµ¸æ³¡2å°æ¶,è¿æ»¤åç¨å
¥40å
¬æ¤æ°´ä¸ï¼ã
(1)åæ¹æ¥èæ¶ï¼å¯¹æè¥ç°èå稻èè¿ç°çç°åï¼æ¯äº©ææ´1å
¬æ¤åçä¹ç§æ¤ä¸ç¨èå¶æç500å
¬æ¤ç¨é液沤ç°ï¼æ²¡æè¥ç°èå稻èè¿ç°çç°åï¼æ¯äº©æ½50å
¬æ¤çåé
µå è¥ã
(2)ç¨0.5%åçä¹ç§æ¤ä¸ç¨è液(æ¯0.5æ¤åçä¹ç§æ¤ä¸ç¨è液å 100æ¤æ°´)浸ç§2-4å°æ¶åæå
¥ç§§åºã
(3)秧èé¿å°2-3çå¶æ¶ï¼ç¨0.1%åçä¹ç§æ¤ä¸ç¨è液(æ¯0.1æ¤åçä¹ç§æ¤ä¸ç¨è液å æ°´100æ¤)å·æ´ä¸¤æ¬¡ï¼å¢å¼ºæ秧çãæ秧åï¼ç¨0.2%åçä¹ç§æ¤ä¸ç¨è液(æ¯0.2æ¤åçä¹ç§æ¤ä¸ç¨è液å æ°´100æ¤)æ³¡æ ¹5åéï¼ä¿èä¿é¿ã
(4)ç§»æ ½æï¼è¿½å è¥æ¯äº©50å
¬æ¤æç¨åçä¹ç§æ¤ä¸ç¨èéæ°´æµçã
(5)çé¿åèæãåç©æãæ½ç©æåå«ç¨0.2%åçä¹ç§æ¤ä¸ç¨è液(æ¯0.2æ¤åçä¹ç§æ¤ä¸ç¨èç¨é液å æ°´100æ¤)å·æ´å¶é¢ä¹å¯è§é¿å¿æ¯å¨å¶é¢å·æ½ä¸æ¬¡1%åçä¹ç§æ¤ä¸ç¨è液(æ¯1æ¤åçä¹ç§æ¤ä¸ç¨è液å æ°´100æ¤)ã
(6)ç¨åçä¹ç§æ¤ä¸ç¨èç¨é液é¤èãç§æ¶åï¼æ¯äº©ææ½200-300å
¬æ¤åçä¹ç§æ¤ä¸ç¨èç¨é液åé
µå è¥ï¼å©ç¨åçä¹ç§æ¤ä¸ç¨è液ä¿çé¿ä½ç¨ï¼è®©èç±½æç ´ä¼ç 常è§ï¼åå£èæåèè½ï¼ä¸è½è¿å¬èæ»ã第äºå¹´æ¥ï¼å·æ½ä¸æ¬¡0.2%åçä¹ç§æ¤ä¸ç¨è液ï¼å å¿«æ®ä½èç±½åè½ï¼ç¶åéè¿æ¥èç¿»å°åæ±å°éèï¼å°æè沤æ»æé¤å»ãå¦æ¤è¿ç»äºãä¸å¹´ï¼å¯æ¸
é¤å
¨é¨æèã以ä¸åæ³éç¨äºå
¶å®æ°´ç°ä½ç©ã
温馨提示:答案为网友推荐,仅供参考