Phoma Canker of Pigeonpeas in Puerto Rico

Puerto Rico

of America, Children's Defense Fund, and Generations United have partnered to produce state and national GrandFacts fact sheets for grandparents and other relatives raising children. The state fact sheets include state-specific data and programs as well as information about foster care, public benefits, educational assistance and state laws. Visit www.grandfactsheets.org to find this and all Gr...

Slavery in Puerto Rico

University of Puerto Rico

Weed Controi, in Puerto Rico

Sugar cane growers in Puerto Rico are faced with problems of weed control as any other farmer in the world. He is faced with increased cost of production of cane, through higher labor and material costs. When labor costs were low, much of the weed control was done by many men using machetes and other implements. As every farmer knows "weeds are plants out of place." Since beginning of farming, ...

Seasonal pattern of births in Puerto Rico.

It has been said that man is the only creature who eats when he is not hungry, drinks when he is not thristy and makes love all the time. If the last of these three characteristics referred to about man were true, one would expect that during, say, a period of one year, the results of this behavior of love making in terms of births would be an uniformly distributed probabilistic phenomenon. How...