Download Theory and Practice of Weed Control by R. J. Stephens PDF

By R. J. Stephens

Show description

Read or Download Theory and Practice of Weed Control PDF

Best gardening & landscape design books

Aquaculture Sourcebook: A Guide to North American Species

As conventional advertisement fishing turns into more and more dear and restrictive, aquacultural fish creation emerges as a pragmatic practicable substitute. The Aquaculture Sourcebook is an introductory textual content and prepared reference for info at the fresh-, brackish-, and salt-water farming of either fish and shellfish, in addition to of numerous vital algae.

Dogscaping: Creating the Perfect Backyard and Garden for You and Your Dog

For puppy vendors and backyard fans alike, Dogscaping provides a plan for the relations puppy to reside in ideal concord with a eco-friendly, attractive yard. no matter if the kinfolk puppy is a demon digger like a terrier or a shade-seeking greyhound, Dogscaping deals ideas for all puppy proprietors to create the fitting yard and backyard for all individuals of the human and canines kinfolk.

Orchids

Unique, attention-grabbing, appealing, mysterious… adjectives noticeable inexhaustible in describing the orchid family members – as, too, do the range and variety of species so you might develop. As you’ll quickly realize throughout the pages of this booklet, the realm of orchids is one who a starting grower can simply input, but additionally person who by no means turns out to teach its limits to the skilled grower.

Handbook of cucurbits : growth, cultural practices, and physiology

The instruction manual of Cucurbits: development, Cultural Practices, and body structure comprises info on cultural practices, meals, and physiological methods of cucurbits below either common and annoying stipulations. It provides the heritage and value of cucurbit crop construction in addition to exhaustive details on progress responses of cucurbits to numerous environmental stipulations and nutrition.

Additional info for Theory and Practice of Weed Control

Example text

The Bog People, Faber and Faber, London, p. 142 GODWIN, H. (1960). The history of weeds in Britain, in The Biology of Weeds (ed. J. L. Harper), Blackwell, Oxford, p. 256 32 Theory and Practice of Weed Contral HANSON, N. S. (1959). Chemical weed control in Hawaii, Proceedings 10th Congress of the International Society of Sugar Cane Techno/ogists, pp. 538-549 HARPER, j. L. (1956). The evolution of weeds in relation to resistance to herbicides, Praceedings 3rd British Weed Control Conference, pp. 176-188 HARPER, j.

The potential for a parallel situation exists with the small fruited melon or Dudaim (Cucumis me/o var. dudaim) which is already a serious weed of asparagus in the Imperial Valley of California, and could become a threat to edible melon (Cucumis me/o var. reticulata) production, both as a weed and as a source of contaminating pollen in melon seed production. Strenuous efforts are being made to prevent the dissemination of the small weed melon fruits or pepos (Chapter 4). 1 The weed families of plants When weeds are defined as plants in the wrong place, it follows that any kind of plant, including crops, can at some time qualify for weed status.

Seeds of Creeping Thistle (Cirsium arvense) can germinate and begin a fresh infestation but this dioecious species appears not to produce seed prolifically and spread is mainly by growth and dispersal of buds produced on the brittle swollen roots. In Common Couch (Agropyron repens) the relative importance of reproduction by seed and by rhizomes is less obvious. Couch Grass is self-sterile, pollen from another clone being essential for fertilisation to occur. Seed set is therefore variable, being high only when two or more clones grow The Origins, Dispersal and Characteristics of Weeds 29 fairly close together.

Download PDF sample

Rated 4.96 of 5 – based on 12 votes