 | Western New York Horticultural Society - 1908 - 214 páginas
...be an excess or deficiency of this indispensable carrier of food materials to and through the plant. "(7) To convert the entire root zone of the soil into...place, perfectly adapted to the needs of the roots of the crop and to the soil organisms — adequately drained, perfectly ventilated and sufficiently... | |
 | Vermont Agricultural Experiment Station - 1916 - 788 páginas
...and through the plant. 6. Determines the amount, movement and availability of watersoluble plant food materials present in the soil, so that growth may...normal and continuous to the end of the season. 7. Converts the entire root zone of the soil into a commodious, sanitary living and feeding place, perfectly... | |
 | New York (State). Department of Agriculture - 1908 - 196 páginas
...movement, and to determine the availability of soil-moisture, so that there shall never be an excess or deficiency of this indispensable carrier of food materials...place, perfectly adapted to the needs of the roots of the crop and to the soil organisms, adequately drained, perfectly ventilated and sufficiently warm.... | |
 | New York (State) Bureau of Farmers' Institutes - 1908 - 196 páginas
...movement, and to determine the availability of soil-moisture, so that there shall never be an excess or deficiency of this indispensable carrier of food materials...place, perfectly adapted to the needs of the roots of the crop and to the soil organisms, adequately drained, perfectly ventilated and sufficiently warm.... | |
 | New York (State) Dept. of Agriculture - 1908 - 192 páginas
...movement, and to determine the availability of soil-moisture, so that there shall never be an excess or deficiency of this indispensable carrier of food materials...place, perfectly adapted- to the needs of the roots of the crop and to the soil organisms, adequately drained, perfectly ventilated and sufficiently warm.... | |
 | Vermont. Commissioner of Agriculture - 1909 - 492 páginas
...and widely to place themselves in the closest contact with the largest amount of food materials. " (6) To determine the amount, movement and availability...place, perfectly adapted to the needs of the roots of the crop and to the soil organisms, — adequately drained, perfectly ventilated and sufficiently... | |
 | Liberty Hyde Bailey - 1911 - 624 páginas
...extensive incorporation of organic matter, so that there may be a strong growth of soil micro-organisms and the maintenance of a high content of water-soluble...place, perfectly adapted to the needs of the roots of the crop and to the soil organisms, — adequately drained, perfectly ventilated, and sufficiently... | |
 | Pennsylvania. Department of Agriculture - 1912 - 798 páginas
...so that there shall never be an excess or deficiency of this indispensible carrier of food materials and through the plant. "(6) To determine the amount,...place, perfectly adapted to the needs of the roots of the crop and to the soil organisms, — adequately drained, perfectly ventilated and sufficiently... | |
 | 1916 - 1050 páginas
...and through the plant. 6. Determines the amount, movement and availability of watersoluble plant food materials present in the soil, so that growth may...normal and continuous to the end of the season. 7. Converts the entire root zone of the soil into a commodious, sanitary living and feeding place, perfectly... | |
 | Vermont Agricultural Experiment Station - 1916 - 790 páginas
...and through the plant. 6. Determines the amount, movement and availability of watersoluble plant food materials present in the soil, so that growth may...normal and continuous to the end of the season. 7. Converts the entire root zone of the soil into a commodious, sanitary living and feeding place, perfectly... | |
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To determine the amount, movement, and availability of the water-soluble plant-food materials present in the soil, so that growth may be both rapid, normal, and continuous to the end of the season. (7) To convert the entire root zone of the soil into... 
