The Commercial Products of the Vegetable Kingdom / Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c.

by P. L. Simmonds

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Relation of Grain, Straw and Chaff.
	Actual quantities.	Per centage.
Grain	1633 lbs.	45.15
Straw	1732 lbs.	47.89
Chaff	250 lbs.	6.96
Total	3615 lbs.

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Specific gravity of grain	1.396
Weight of grain per acre	2604 lbs.
Weight of straw per acre	2,775 3/10ths.
Weight of chaff per acre	401 ⅙th.

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Mineral Matter in an Acre.
Wheat	44	½ lbs.
Straw	113
Chaff	47	⅙th.
Total	204	7/10ths.

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Analysis of the Ash of the Grain.
	Per centage.	Removed from an acre.
		lbs.	ozs.
Silica	5.63	2	8
Phosphoric acid	43.98	19	8
Sulphuric acid	.21	0	1	1/5th.
Lime	1.80	0	12	8/10ths.
Magnesia	11.69	5	3	2/10ths.
Peroxide of iron	.29	0	2
Potash	34.51	15	5	6/10ths.
Soda	1.87	0	13	3/10ths.
Total	99.98	44	6	l/10ths.

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