Guayule Parthenium Argentatum Gray a Rubber Plant of the Chihuahuan Desert
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mm.
mm.
mm.
In first year, 17 mm.
2 15 16 In second year, 20 mm.
3 4 45 SI 22 30 20 24 15 In third year, 37 mm.
In fourth year, 51 mm.
31 mm.
The average amount of growth in seven seedlings for the last three years, 1906-1908, is 26 mm.
Some ten seedlings for each of the localities mentioned below were measured, giving average amount of growth for two to four years, as follows : Sierra Candelaria 22 Station 4 (Sierra Guadaloupe) . 24 Station 5 (Sierra Guadaloupe) . 18 Station 2 (Sierra Zuluaga)... 31 Station 2 (Sierra Zuluaga) 40 Station i (Jaguey) 30 Cerritos de los Calzones 20 Cedros 34 Apizolaya 42 Lomerio de los Zorrillos 49 Encarnaci6n 26 Average rate for all 30 It will be seen that these figures, made at different times on material from different localities, check each other fairly well. As said before, the average rate of growth thus deduced is probably somewhat high. The rate undoubtedly increases toward the fifth year, and a somewhat more rapid rate is then maintained during a few years, say from the fourth to the seventh, during which the total height of the plant increases at a greater rate than before or after.
What to read after Guayule Parthenium Argentatum Gray a Rubber Plant of the Chihuahuan Desert?
You can find similar books in the "Read Also" column, or choose other free books by Francis Ernest Lloyd to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
mm.
mm.
mm.
In first year, 17 mm.
2 15 16 In second year, 20 mm.
3 4 45 SI 22 30 20 24 15 In third year, 37 mm.
In fourth year, 51 mm.
31 mm.
The average amount of growth in seven seedlings for the last three years, 1906-1908, is 26 mm.
Some ten seedlings for each of the localities mentioned below were measured, giving average amount of growth for two to four years, as follows : Sierra Candelaria 22 Station 4 (Sierra Guadaloupe) . 24 Station 5 (Sierra Guadaloupe) . 18 Station 2 (Sierra Zuluaga)... 31 Station 2 (Sierra Zuluaga) 40 Station i (Jaguey) 30 Cerritos de los Calzones 20 Cedros 34 Apizolaya 42 Lomerio de los Zorrillos 49 Encarnaci6n 26 Average rate for all 30 It will be seen that these figures, made at different times on material from different localities, check each other fairly well. As said before, the average rate of growth thus deduced is probably somewhat high. The rate undoubtedly increases toward the fifth year, and a somewhat more rapid rate is then maintained during a few years, say from the fourth to the seventh, during which the total height of the plant increases at a greater rate than before or after.
What to read after Guayule Parthenium Argentatum Gray a Rubber Plant of the Chihuahuan Desert?
You can find similar books in the "Read Also" column, or choose other free books by Francis Ernest Lloyd to read onlineMoreLess
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