. dong xiao mai bo zhong qi yu sheng zhang fa yu tiao jian de nong ye qi xiang jian ding. botany. 1954 0â5| 20 I 40 (%)!(%)ï¼(%). .1955 0â5! 20 I 40 (%)'(%)!(%) 25/9 30/9 5/10 10/10 15/10 20/10 25/10 30/10 4/11 9/n 14/11 19/11 '19 9J19 20 .621. .921. I .319. .7| .220. .819. . . . . . . 15/9 20/9 25/9 30/9 6/10 10/10 15/10 20/10 25/10 30/10 4/11 9/11 14/11 19/11 24/11 21/2 26/2 22. 22. 20. :18.
. dong xiao mai bo zhong qi yu sheng zhang fa yu tiao jian de nong ye qi xiang jian ding. botany. 1954 0â5| 20 I 40 (%)!(%)ï¼(%). .1955 0â5! 20 I 40 (%)'(%)!(%) 25/9 30/9 5/10 10/10 15/10 20/10 25/10 30/10 4/11 9/n 14/11 19/11 '19 9J19 20 .621. .921. I .319. .7| .220. .819. . . . . . . 15/9 20/9 25/9 30/9 6/10 10/10 15/10 20/10 25/10 30/10 4/11 9/11 14/11 19/11 24/11 21/2 26/2 22. 22. 20. :18. ,20. I :18. 3 [ : 6|l9. 25/9 30/9 5/10 10/10 . 15/10 20/10 25/10 4/11 14/11 24/11 21/2 26/2 7/3 16/3 ,42 ,22 .I , , , ,3 , , , 3 ä¸ ,3 ä¸ ,3 â , 1955å¹´æ-ç§æ¶æç温度9æå11æçå¹³å温度,å¤ä¸åå¹³åç¸ åï¼10æçå¹³å温度æ¯åå¹³åä½ Â°Cï¼åæçå¹³åæé«æ¸©åº¦è¼åå¹³ åä½Â°Cã 1955å¹´ä¹æ¯å¤é¨å¹´ï¼8æå9æé水毫米ï¼è¶ åº åå¹³å248毫米ï¼å æ-¤æ¬å¹´ç§å-£å壤çåæ°´éä¹è¿å 足ï¼ä¸è¿æ¬å¹´9 æä¸æ¬æ-ç§çæ¯1954å¹´åæ¶ææ-ç§çå壤湿度å°ï¼è10æå11æ æ-ç§çæ¯1954å¹´ååææ-ç§çå壤湿度è¼å¤§ã1956å¹´1æ温æï¼å¹³ åæä½æ¸©åº¦é«äºåå¹³å° Cï¼ä¸ºä¸å¹´æ¥1æé温度è¼é«çä¸å¹´ã ãï¼æå¹³å温度æ¯åå¹³åä½1°Cï¼ä¸ºä¸å¹´æ¥2æé温度æä½çä¸å¹´ã 1æé£éªå天,ä¼¹æ éæ°´éã2æéæ°´è¶ è¿åå¹³å5毫米ã 以ä¸ç³»å°±æ-ç§æ¶æåæ温度çé«ä½ï¼éæ°´éç
Size: 1590px × 1571px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany
