| Francis S. Wiggins - 1840 - 512 páginas
...practice is adopted, the period at which the plants may be ploughed down is when they have come into flower, for then they contain the largest quantity of readily soluble matter, and have least exhausted the nutrient substance of the soil. In order that the growth be turned effectually... | |
| Wisconsin State Agricultural Society - 1852 - 364 páginas
...this practice is adopted, the period when the plants may be ploughed down, ia when they have come into flower, for then they contain the largest quantity of readily soluble matter, and have least exhausted the nourishing substances of the soil. In order that the growth be turned effectually... | |
| washington: Government Printing Officee - 1865 - 778 páginas
...Agriculture, says : "The period at which the plants should be ploughed down is just when they are coming into flower, for then they contain the largest quantity...least exhausted the nutritive substance of the soil." And the British Society for the Diffusion of Useful Knowledge, in speaking of green manures, say :... | |
| Maine. Board of Agriculture - 1873 - 446 páginas
...arrive at perfect maturity. The period at which this should be done is just when they are coming into flower, for then, they contain the largest quantity of readily soluble matter, and have not robbed the land of that nutriment with which they are intended to supply it. This mode of feeding... | |
| Wisconsin State Agricultural Society - 1852 - 364 páginas
...this practice is adopted, the period when the plants may be ploughed down, is when they have come into flower, for then they contain the largest quantity of readily soluble matter, and have least exhausted the nourishing substances of the soil. In order that the growth be turned effectually... | |
| |