| ²é¿´: 964 | »Ø¸´: 13 | |||
| ¡¾½±Àø¡¿ ±¾Ìû±»ÆÀ¼Û8´Î£¬×÷ÕßalliumÔö¼Ó½ð±Ò 5 ¸ö | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
alliumÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)
|
[×ÊÔ´]
¡¾×ªÌù¡¿Ó¢ÓïÍÁÈÀ·ÊÁ¦Ñо¿·¨µç×ÓÊ顾ÒÑËÑÎÞÖØ¸´¡¿
|
||
|
Trees.Crops.and.Soil.Fertility.Concepts.and.Research.MethodsSuccessful agroforestry requires an understanding of the complex relationship between trees, crops and soils. This book provides a review of both social and biophysical aspects of soil use and research in agroforestry in the tropics, with an emphasis on nutrient-poor forest and savanna soils. Key topics covered include decomposition, nutrient cycling and leaching, soil structure, and soil biological processes. The book combines theory and a review of methods used in research. ÏÂÔØ http://www1.vista-server.com/uploadfile/6/4/27/17491883318.zip |
» ²ÂÄãϲ»¶
286Çóµ÷¼Á
ÒѾÓÐ15È˻ظ´
0860004 Çóµ÷¼Á 309·Ö
ÒѾÓÐ3È˻ظ´
²ÄÁÏÀà284µ÷¼Á
ÒѾÓÐ20È˻ظ´
µ÷¼Á
ÒѾÓÐ11È˻ظ´
¿¼Ñе÷¼Á-²ÄÁÏÀà-284
ÒѾÓÐ13È˻ظ´
¸´ÊÔµ÷¼Á£¬Ò»Ö¾Ô¸Ö£ÖÝ´óѧ²ÄÁÏÓ뻯¹¤289·Ö
ÒѾÓÐ13È˻ظ´
Ò»Ö¾Ô¸0807 ÊýÒ»Ó¢Ò» 313 ÓÐûÓжþÂÖµ÷¼Á
ÒѾÓÐ5È˻ظ´
Ò»Ö¾Ô¸0703»¯Ñ§ÕÐ61×îÖÕÅÅÃû62»¯Ñ§Çóµ÷¼Á
ÒѾÓÐ15È˻ظ´
308Çóµ÷¼Á
ÒѾÓÐ16È˻ظ´
²ÄÁϵ÷¼Á
ÒѾÓÐ14È˻ظ´
2Â¥2008-02-19 09:45:50
3Â¥2008-02-24 14:21:22
4Â¥2008-07-03 15:35:18
5Â¥2008-07-03 15:38:22
7Â¥2008-08-05 10:05:19
8Â¥2008-09-13 23:22:10
9Â¥2008-11-09 19:19:12
10Â¥2008-11-14 21:52:58
¼òµ¥»Ø¸´
ssw976Â¥
2008-07-26 13:22
»Ø¸´















»Ø¸´´ËÂ¥