. Elements of Philippine agriculture. Agriculture. THE FOOD OF PLANTS 27 quantities in most soils, but plants need very little of these, and })ractically always have sufficient. Plants need much calcium, but most soils contain much of it. Sugar- cane is the only important P]Tilip[)ine crop likely to need more calcium than is present in the soil. FERTILIZERS Calcium. Substances containing plant food, which are added to the ground to make it more productive, are. hii;. 24. Coconuts liom one acre of lenilized anti one acre ol unleitiiized land on tlie Loxton and Palmlands Estate, Ceylon called fe
. Elements of Philippine agriculture. Agriculture. THE FOOD OF PLANTS 27 quantities in most soils, but plants need very little of these, and })ractically always have sufficient. Plants need much calcium, but most soils contain much of it. Sugar- cane is the only important P]Tilip[)ine crop likely to need more calcium than is present in the soil. FERTILIZERS Calcium. Substances containing plant food, which are added to the ground to make it more productive, are. hii;. 24. Coconuts liom one acre of lenilized anti one acre ol unleitiiized land on tlie Loxton and Palmlands Estate, Ceylon called fertilizers. Ground which has been producing sugar for many ; is often very weak in calcium. If limestone or coral, which contain much calcium, be crushed and put on the ground, there will be a greater yield of sugar; the limestone or coral is a Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Copeland, Edwin Bingham, 1873- [from old catalog]. Yonkers-on-Hudson, N. Y. , and Manila, World book company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectagriculture, bookyear
