SPIDER FAMILY

1. Family Lycosidae - the wolf spider
2. Family Salticidae - the Jumping Spiders
3. Family Salticidae,  genus Lyssomanes - the Magnolia Green Jumper's
4. Family Araneidae - the Orb-weavers
5. Family Pisauridae, genus Dolomedes - the Fishing Spiders
6. Family Pisauridae, genus Pisaurina - the Nursery Web Spider's
7. Family Ctenidae - the Wandering Spiders
8. Family Oxyopidae - the Lynx Spiders
9. Family Philodromidae - the Running Crab Spiders
10. Family Dysderidae - the Woodlouse Hunters
11. Family Tetragnathidae, genus Tetragnatha - the Long jawed Orb-weavers
12. Family Thomisidae, genus Xysticus - the Ground Crab Spiders
13. Family Agelenidae, genus Eratigena - the Funnel Weavers
14. Family Agelenidae,  genus Agelenopsis - the Grass Spiders ( aka Funnel Weavers)
15. Family Selenopidae, genus Selenops - the Flatties (aka Crab Spiders)
16. Family Sparassidae, genus Heteropoda - the Huntsman (aka Giant Crab Spiders)
17. Family Sparassidae,  genus Olios - Giant Crab Spiders (aka Huntsman)
18. Family Sicariidae, genus Loxosceles - the Brown Spider's ( includes the Brown Recluse)
19. Family Uloboridae, genus Hyptiotes - the Triangle Weavers
20. Family Zoropsidae, Species Zoropsis spinimana - the False Wolf Spider
21. Family Deinopidae,  Species Deinopis spinosa - the Net-casting Spider (aka Ogrefaced Spider); note that the four other eyes are not visible from the front.
22. Family Diguetidae,  genus Diguetia - the Desertshrub Spiders.
23. Family Antrodiaetidae,  genus Antrodiaetut  - the Folding-door Spiders (aka Turret Spider's); these are primitive Spiders (mygalomorphs).
24. Family Segestriidae  - the Tube Web Spider's
25. Family Scytodidae  - the spitting Spiders.

©TFRI JABALPUR

Rating chart for soil test values

No.                Nutrient                     Low           medium          High
 
1.         Organic Carbon %              < 0.5         0.5 - 0.75         0.75 >
              (for Nitrogen )    

2.        Available P2O5  (kg/ha)     < 10          10-25                25>

3.       Available  K2O (kg/ha)        < 120           120-260         260>

4.      Available Nitrogen (kg/ha)  < 280            280-560         560>

                           

                                pH value

Extremely acid                <4.5
Very strangly acid          4.5-5.0
Strangly acid                  5.1-5.5
Medium acid                    5.6-6.0
Slightly acid                     6.1-6.5
Nutral                                6.6-7.3

Mildly alkaline                 7.4 - 7.8
Moderately alkaline        7.9 - 8.4
Strangly alkaline            8.5 - 9.0
Very straghly alkaline      > 9.1

P% x 2.29 = P2O5
K% x 1.20 = K2O

Conversion factor from Oxide to Element.
  
    Oxide % X factor             =          Element

1.  CaO % X 0.71                 =          Ca %
2.  MgO % X 0.60                =          Mg %
3.  Na2O % X 0.74               =          Na %
4. K2O % X 0.82                  =          K %
5. P2O5 % X 0.43                =          P %

Conversion factor from Element to Oxide.

     Oxide % X factor              =        Element

1. Ca % X 0.71                      =      CaO %
2.  Mg % X 0.60                    =       MgO %
3.  Na % X 0.74                     =       Na2O %
4.  K  %  X 0.82                     =       K2O %
5.  P % X 0.43                       =       P2O5 %

Text Book Soil Science
T.D. Biswas & S.K. Mukherjee (1992)

******************************************************************************************