Probably tobacco and sugar cane.
crop rotation
cropping
The growing of cotton as a cash crop took a toll on the health of the soil, rendering it impossible to grow other crops. By rotating the crops to different fields, the negative impact on the soil was nullified and promoted a high yield of cotton.
high yield products from your local nursery has a specific product for this
scientific research on increasing food supply ;)
This stands for High Yield Variety, a crop cultivated using HYV seeds is called so.
Make sure you read the fine prints carefully. High yield cd's have to be locked in for a long time and there will be a huge penalty if you have to cash it in early.
Low-yield crops and a hilly terrain prevented major agriculture operations in Mexico until the 1950's when the Green Revolution allowed for high-yield crops and the establishment of mechanized farms.
Bankrate's website can give you information on high yield CDs. You can also obtain CD infomation at various banks which will give you various CD rates and terms.
High yield checking can be a good option depending on what you are looking for. As long as you have available funds to cover all the cheques you cash then you should never run into any problems.
Type your answer here... The Palous Area of Washington state is one of the highest yield in bushels per acre for non irrigated wheat crops.
Monoammonium phosphate (MAP) and diammonium phosphate (DAP) are two good examples.