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    Physiological and agronomic studies on prairie grass (Bromus catharticus)

    Mohammed Zain Karim,
    Abstract
    In a study to assess the potentiality of a plant as an agricultural crop, the aim of the investigation is that of studying the growth of that plant in certain environments; in particular, in relation to those factors which may be of importance in the performance of the plant in the field. In the grasses it would thus be appropriate to study such environmental factors as light intensity, temperature, nutrient level and photoperiodic variation in their effect on the growth and development of that plant, and to observe how the plant would respond to certain agronomic treatments typical of grassland farming, such as cutting and manurial treatments and competition between and within the species. Some common temperate grasses have been extensively studied under varying environmental conditions. In New Zealand, Mitchell has made comprehensive studies of some of the common herbage grasses grown in agriculture and using both glasshouses and controlled-environment cabinets, he has thrown some light into the pattern of growth and development as affected by the environments on these species, (Mitchell 1953 a, b; 1954 a, b; 1955; 1956 a, b; 1960), while root development of some of these species as affected by the aerial environments was studied by Jacques (1937, 1939, 1941, 1943, 1944, 1952). Bromus catharticus is a temperate grass extensively grown and used in Latin America. Its performance in New Zealand is not fully known. Some reports of its value on some farms are encouraging, (Syme 1943, Crawford 1960), especially as regards its function as a winter grass. However, there appeared to be some need for further knowledge of its growth and developmental behaviour under various treatments. Hence the aim of the investigations to be reported was an attempt to understand the physiological response of this species to certain environmental factors in the hope that the results may be of some value towards the understanding of this species as a pasture plant.... [Show full abstract]
    Keywords
    prairie grass; agronomy; Bromus catharticus; mineral nutrition; cutting treatments; tillering; growth analysis; dry matter yield; environmental factors; agriculture; grassland; plant breeding; New Zealand
    Fields of Research
    070302 Agronomy; 070303 Crop and Pasture Biochemistry and Physiology; 070306 Crop and Pasture Nutrition; 070305 Crop and Pasture Improvement (Selection and Breeding)
    Date
    1961
    Type
    Thesis
    Access Rights
    Digital thesis can be viewed by current staff and students of Lincoln University only. Print copy available for reading in Lincoln University Library.
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    • Theses and Dissertations with Restricted Access [2207]
    • Department of Agricultural Sciences [1445]
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