The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 351
... crops . They are then in a position to invest in soil conservation and other improvements that are needed when shifting acreage from surplus crops to other uses . Farm manure . Among sources of organic matter and plant nutrients , farm ...
... crops . They are then in a position to invest in soil conservation and other improvements that are needed when shifting acreage from surplus crops to other uses . Farm manure . Among sources of organic matter and plant nutrients , farm ...
Page 352
... crops ; some crops require banding above the seed , while others are more successful when the fertilizer band is be- low the seed . The use of liquid and ammonia fertilizers is growing , particularly of anhydrous ammonia , which is ...
... crops ; some crops require banding above the seed , while others are more successful when the fertilizer band is be- low the seed . The use of liquid and ammonia fertilizers is growing , particularly of anhydrous ammonia , which is ...
Page 357
... crops are cut in the field with a forage harvester that cuts and chops the crop immedi- ately or picks up and chops a windrow that has been cut and raked earlier . Root crops such as potatoes are harvested with diggers and digger ...
... crops are cut in the field with a forage harvester that cuts and chops the crop immedi- ately or picks up and chops a windrow that has been cut and raked earlier . Root crops such as potatoes are harvested with diggers and digger ...
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19th century abrasive accelerator acid actinide actor Adams adhesives administrative adult advertising Aegean aerospace Aeschylus aesthetic Afghanistan agriculture aircraft airplane animals artist atomic Bantu Bantu languages basic behaviour Bronze Age Cameroon carved Central centre changes Chari-Nile languages coast Congo contains countries Cretan Crete crops cultural Cyclades dance Djibouti early East Egypt electrons engineering Ethiopia example farm feet figures flight Ghana important increase industry Kabul Kenya Khoisan Knossos known Lake land languages mainland major masks ment metal modern mountains Mycenae Niger Nigeria Nilotic northern organization oxidation particles patterns percent period plants political population production proton region River Sahara savanna sculpture soil solvent South Africa southern species style Sudan Tanzania temperature theory tion tons traditional tropical United usually West Africa western Yoruba Zaire