 A good crop of clover removes from the soil more potash, phosphoric acid, lime, and other mineral matters, which enter into the composition of the ashes of our cultivated crops than any other crop usually grown in this country. 2. There is fully three...  Annual Report of the Secretary of the Board of Agriculture - 127 ページMassachusetts. State Board of Agriculture 著 - 1878全文表示 - この書籍について
 | New York State Agricultural Society - 1869 - 628 ページ
...into the composition of the ashes of our cultivated crops than any other crop usually grown in this country. 2. There is fully three times as much nitrogen...Notwithstanding the large amount of nitrogenous matter and of ash constituents of plants, in the produce of an acre, clover is an excellent preparatory crop for... | |
 | john murray, albemarle stre - 1868 - 710 ページ
...into the composition of the ashes of our cultivated crops, than any other crop usually grown in this country. 2. There is fully three times as much nitrogen...Notwithstanding the large amount of nitrogenous matter and of ash constituents of plants in the produce of an acre, clover is an excellent preparatory crop for wheat... | |
 | Michigan. State Board of Agriculture - 1868 - 530 ページ
...into the composition of the ashes of our cultivated crops, than any other crop usually grown in this country. 2. There is fully three times as much nitrogen...Notwithstanding the large amount of nitrogenous matter and of ash constituents of plants in the produce of an acre, clover is an excellent preparatory crop for wheat.... | |
 | New York State Agricultural Society - 1869 - 672 ページ
...into the composition of the ashes of our cultivated crops than any other crop usually grown in this country. 2. There is fully three times as much nitrogen...produce of the grain and straw of wheat per acre. 8. Notwithstanding the large amount of nitrogenous matter and of ash constituents of plants, in the... | |
 | Wisconsin State Agricultural Society - 1870 - 542 ページ
...into the composition of the ashes of our cultivated crops, than any other crop usually grown in this country. 2. There is fully three times as much nitrogen...Notwithstanding the large amount of nitrogenous matter and of ash constituents of plants in the produce of an acre, clover is an excellent preparatory crop for wheat... | |
 | Maine. Board of Agriculture - 1870 - 518 ページ
...into the composition of the ashes of our cultivated crops, than any other , crop usually grown in this country. 2. There is fully three times as much nitrogen...Notwithstanding the large amount of nitrogenous matter and of ash-constituents of plants in the produce of an acre, clover is an excellent preparatory crop for wheat.... | |
 | George Edwin Waring (Jr.) - 1877 - 556 ページ
...into the composition of the ashes of our cultivated crops, than any other crop usually grown in this country. " 2. There is fully three times as much nitrogen...Notwithstanding the large amount of nitrogenous matter and of ash-constituents of plants in the product of an acre, clover is an excellent preparatory crop for wheat.... | |
 | George Edwin Waring (Jr.) - 1877 - 664 ページ
...the chief points of interest which |I have endeavored fully to develop in the preceding pages :— " 2. There is fully three times as much nitrogen in...clover as in the average produce of the grain and straw ot" wheat per acre. " 1. A good crop ot clover removes from the soil more potash, phosphoric acid,... | |
 | Joseph Buckner Killebrew - 1878 - 528 ページ
...into the composition of the ashes of our cultivated crops, than any other crop usually grown in this country. 2. There is fully three times as much nitrogen...Notwithstanding the large amount of nitrogenous matter and of ash-constituents of plants in the produce of an acre, clover is an excellent preparatory crop for wheat.... | |
 | Joseph Harris - 1878 - 364 ページ
...composition of the ashes of our cultivated crops, than auy other crop usually grown in this countiy. " 2. There is fully three times as much nitrogen in...Notwithstanding the large amount of nitrogenous matter and of ash-constituents of plants, in the produce of an acre, clover is an excellent preparatory crop for... | |
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