Add to ORKGThe most important single factor in successful shelter-belt establishment in the Northern Great Plains is elimination of weed and grass competition. While removal if competing vegetation between the tree rows can readily be accomplished with machinery, removal of such vegetation in the tree rows is a different problem. Hand hoeing is effective, but involves a great deal of time and labor. No mechanical means of removing competing vegetation from the row has proven entirely satisfactory
L'adoption d'une nouvelle pratique est un processus dynamique et complexe influencé par de nombreux ...
Thin silicon nitride films have been deposited on silicon substrates by audio frequency reactive spu...
When an aluminum surface is exposed to an intense source of ultraviolet light, the \u27natural\u27 o...
The purpose of evaluation of the copper (II) investigation is to obtain information concerning the t...
During the summer of 1953, 168,000 acres of small grain were sprayed with 2.4-D by airplane in South...
This report contains information on the Inaugural Address of Frank D. Jackson Governor of Iowa deliv...
Procedures are presented which provide management with a tool to make integrated decisions what are ...
Newspapers have often been accused of emphasizing the sensational giving minimum attention to the no...
The review of the literature discussed loneliness in general and specified three seperate forms of l...
Proliferating cell nuclear antigen (PCNA) and Ki-67 are the two important molecules expressed by the...
A means for colloidal solution characterization was sought in order to describe changes in the wetti...
There is a growing interest in the application of scheduling techniques to the two mechanical operat...
n view of the volume of literature already written about the caste-system, it would seem that yet an...
The improvement of the teaching staff is a problem that constantly confronts every school department...
In this report, a lithologic analysis of a sample of the Coon Creek tongue in southwestern Tennesse ...
L'adoption d'une nouvelle pratique est un processus dynamique et complexe influencé par de nombreux ...
Thin silicon nitride films have been deposited on silicon substrates by audio frequency reactive spu...
When an aluminum surface is exposed to an intense source of ultraviolet light, the \u27natural\u27 o...
The purpose of evaluation of the copper (II) investigation is to obtain information concerning the t...
During the summer of 1953, 168,000 acres of small grain were sprayed with 2.4-D by airplane in South...
This report contains information on the Inaugural Address of Frank D. Jackson Governor of Iowa deliv...
Procedures are presented which provide management with a tool to make integrated decisions what are ...
Newspapers have often been accused of emphasizing the sensational giving minimum attention to the no...
The review of the literature discussed loneliness in general and specified three seperate forms of l...
Proliferating cell nuclear antigen (PCNA) and Ki-67 are the two important molecules expressed by the...
A means for colloidal solution characterization was sought in order to describe changes in the wetti...
There is a growing interest in the application of scheduling techniques to the two mechanical operat...
n view of the volume of literature already written about the caste-system, it would seem that yet an...
The improvement of the teaching staff is a problem that constantly confronts every school department...
In this report, a lithologic analysis of a sample of the Coon Creek tongue in southwestern Tennesse ...
L'adoption d'une nouvelle pratique est un processus dynamique et complexe influencé par de nombreux ...
Thin silicon nitride films have been deposited on silicon substrates by audio frequency reactive spu...
When an aluminum surface is exposed to an intense source of ultraviolet light, the \u27natural\u27 o...