u 



Preliminary 

 transplanting and 

 seeding tests, 1969, 

 70, and 71 



Preliminary trans- 

 planting and seeding 

 tests 1970, 71 and 

 72. Attempts to 

 promote natural in- 

 vasion through seed 

 patches 



Fertilizer response 

 tests, preliminary 

 transplanting and 

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 1971, 72 and 73 



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Field scale seeding 

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