The Orange; Its Culture in California. with a Brief Discussion of the Lemon, Lime, and Other Citrus Fruit. with an Appendix on Insects Injurious to Citrus Trees, and How to Combat Them. (from the Work of the Hon. Matthew Cooke)
General Books, 15/05/2012 - 52 páginas
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1885 Excerpt: ...and are swept by the daily currents of air from inland to ocean, and vice versa. Beware of such places. Avoiding Frosts.--If you follow the advice given in these articles and locate your orchard on the foothills or iu the high interior valleys, you will be in little danger from frost. Inasmuch as cold air is denser and heavier than warm, the cold weather most prevails in low places. It is the good fortune of our country to have its cold spells of short duration, and consequently the natural basins are never quite filled up, and the isothermal line of damaging frosts does not rise over the higher altitudes. Look Out For Rocks.--If you select land on the mesas, especially in granito formation, beware of rocks. These mesas are built up by the wash from the mountains, and many places that look comparatively smooth are only filled-up beds of former ravines; just below the surface they are chock full of bowlders. If you see only a few of these fellows cropping out here and there, regard them as a just;ause of suspicion and make a thorough investigation. As the surface is usually covered with a thick growth of chapparal you may not see half the rocks that are really above ground. A little neglect in this important part of the investigation may cost you several hundreds of dollars and many a weary day's labor. Take warning from a man who has been through the mill. CHAPTER VI. CLEARING AND PREPARING LAND. Clearing.--Mesa lands, by reason of their usually thick growth of chapparal and occasional timber, are more difficult to clear than lands in the valley. The usual method is to grub out by the root everything in the form of tree or shrub. In the case of heavy oak and sycamore timber a considerable excavation is made, uncovering the hole and reaching the main tap roo...