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Author: N. E. Hickin
Publisher:
ISBN:
Category :
Languages : en
Pages : 116
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Book Description
Author: N. E. Hickin
Publisher:
ISBN:
Category :
Languages : en
Pages : 116
Get Book Here
Book Description
Author: Norman E. Hickin
Publisher:
ISBN:
Category : Dry-rot
Languages : en
Pages : 126
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Robert Dickson
Publisher: Macritchie Press
ISBN: 1443706825
Category : Science
Languages : en
Pages : 48
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Book Description
A Lecture On The Dry Rot, And On The Most Effectual Means Of Preventing It - By Robert Anderson - 1837 - A LECTURE - THE utility of timber, when employed in the construction .of edifices and other arts of Iife, is greatly lcssened by its perishable nature. Another unfavorable point in its chracter is, that it cannot be taken Iike the metaI from the mine, and subjected to a fe, .rv manipulations or processes, generally speedily performed, and then appIied immediately to the purpose for which it is intended. In all cases where wood is wished to. be aurable, it must be submitted to processes which have hitherto been tedious, and attended I with the loss of capital, thus rendered inactive during the years which were required for their completion. These processes are termed seasoning and drying which are accomplished either by the natural powers of the air, to take up, and carry off superfluous moisture from any body which wilI readily part with it, or by immersing the timber in water, which dissalves out the nucous and other viscid soluble principles which have a tendency to retain much of the moisture, and thus permit the more speedy evaporation of the watery part, upon the removal of the timber to a dry atmosphere, where there is a free circulation of air, by which the process is expedited or, to render it still more expe- ditious, recourse is had to boiling or steaming, the higher temperature rendering the solution of many of the principles more easy. Of all these Veans steaming appears to be that which facilitates the process to the greatest degree, the seasoning going on..............
Author: Ambrose Bowden
Publisher:
ISBN:
Category : Dry-rot
Languages : en
Pages : 216
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Book Description
Author: Walter Philip Kennedy Findlay
Publisher:
ISBN:
Category : Beneficial insects
Languages : en
Pages : 278
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Book Description
Author: Chelston W. D. Brathwaite
Publisher: IICA Biblioteca Venezuela
ISBN:
Category :
Languages : en
Pages : 222
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Book Description
Author: John Buonarotti Papworth
Publisher:
ISBN:
Category : Dry-rot
Languages : en
Pages : 60
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Author: California (State).
Publisher:
ISBN:
Category : Law
Languages : en
Pages : 96
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Book Description
Author: P. Parvatha Reddy
Publisher: Scientific Publishers
ISBN: 9387307514
Category : Technology & Engineering
Languages : en
Pages : 395
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Book Description
Nematodes continue to threaten horticultural crops throughout the world, particularly in tropical and sub-tropical regions. Estimated overall average annual yield loss of the world's major horticultural crops due to damage by plant parasitic nematodes is 13.54%. Monetary losses due to nematodes on 10 horticultural crops, six of which are life sustaining were estimated at US$ 19.37 billion annually based on 1984 production figures and prices. These deleterious effects on plant growth result in reduced yields and poor quality of horticultural crops. Nematode management is therefore, important for high yields and quality that are required by the high cost of modern crop production. The information on nematode diseases and their management, especially crop wise, is very much scattered and there is no book which deals entirely with the above aspects on horticultural crops. This book deals with nematode diseases and their management in horticultural crops such as fruit, vegetable, orname-ntal, medicinal, aromatic, plantation, spice and tuber crops. Each nematode disease is described in adequate detail under the following heads: economic importance, crop losses, distribution, symptoms, hosts range, life cycle, races/ biotypes, host-parasite relationship, histopathology, ecology, spread, survival, interaction with other pathogens and management. The management methods presented includes regulatory, physical cultural, chemical, biological, host resistance and integrated approach. An entire chapter is devoted for sources of availability of critical inputs used for nematode management which would be very useful to the farmers. Very useful information on certain aspects of nematode management is presented in Appendix. The book is adequately illustrated with about 50 figures. This book is a practical guide to practicing farmers of horticultural crops. Further, it is a useful reference to policy makers, research and extension workers and students. The material can also be used for teaching under-graduate and post-graduate courses.
