Response of Corn Hybrids when Grown on Productive Soil to Nitrogen Fertilization PDF Download
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Author: Sudirman Yahya
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 214
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Book Description
Author: Sudirman Yahya
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 214
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Book Description
Author: David Mfinzi Noah Mbewe
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 176
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Book Description
Author: Sudirman Yahya
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 560
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Author: M. Bänzinger
Publisher: CIMMYT
ISBN: 9706480463
Category :
Languages : en
Pages : 69
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Book Description
Introduction - why breed for drought and low N tolerance?; Conceptual framework - breeding; Conventional approaches to improving the drought and low N tolerance of maize; Conventional approaches challenged; The challenge of breeding for drought and low N tolerance; Maize under drought and low N stress; Conceptual framework - physiology; Water and the maize plant; Nitrogen and the maize plant; Maize under drought and low N stress - consequences for breeding; Stress management; Drought; Low N stress; Statistical designs and layout of experiments; Increasing the number of replicates; Improved statistical designs; Field layout; Border effects from alleys; Secondary traits; Why use secondary traits?; How do we decide on the value of secondary traits in a drought or low N breeding program?; Secondary traits that help to identify drought tolerance; Secondary traits that help to identify low N tolerance: Selection indices - Combining information on secondary traits with grain yield; Combining information from various experiments; Breeding strategies; Choice of germplasm; Breeding schemes; Biotechnology: potential and constraints for improving drought and low N tolerance; The role of the farmer in selection; What is farmer participatory research and why is it important?; What is new about farmer participatory research?; Participatory methodologies.
Author: G. O. Edmeades
Publisher: CIMMYT
ISBN: 9789686923933
Category : Corn
Languages : en
Pages : 580
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Book Description
Incidence and intensity of drought and low N stresss in the tropics; Case studies strategies for crop production under drought and low n stresses in the tropics; Stress physology and identification of secondary traits; Physiology of low nitrogen stress; Breeding for tolerance to drought and low n stresses; General breeding strategies for stress tolerance; Progress in breeding drought tolerance; Progress in breeding low nitrogen tolerance; Experimental design and software.
Author: Clarence Merrill Woodruff
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 20
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Author: Precila C. Delima
Publisher:
ISBN:
Category :
Languages : en
Pages : 184
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Book Description
Maximum benefits from diazotropic and vesicular-arbuscular mycorrhiza plant growth promoting biofertilizers could be fully utilized through a systematic strategy. This will allow yield to be maintained or even increased while fertilizer applications are reduced. The effects of biofertilizers, VAMF and herbicide, and their interactions at different recommended rates of inorganic fertilizer on the growth and yield of hybrid corn treated with Bio-N were determined in this study. The experiment was performed in RCBD in three replications where the following factors were considered: inoculation with active strain of Azospirillum (Bio-N) and soil-based biofertilizer containing mycorrhizal fungi (Mycovam), three levels of Nitrogen Fertilizers; and absence or presence of biocides. Results showed potential benefits of microbial biofertilizers in combination with suboptimal and optimal amount of N Fertlizer. The treatment combination of 3/4 recommended rate of inorganic fertilizer with Mykovam (T9) had the highest yield (7.895 T) which is near the potential economic yield of 8 tons per hectare. Results further showed that there were differences in growth and growth indices of corn plants as affected by the inorganic fertilizers and in combination with biofertilizers with or without herbicide. Bio-N (T18) and combination of inorganic fertilizers with biofertilizers without herbicide (T19 and T20) were found to be potential substitutes to the commercial inorganic fertlizers based on the Marginal Analysis.
Author: Ali M. Al-Darby
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 198
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Book Description
Author: Earl McKee Kroth
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 12
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Author: Lawrence Frederick Marriott
Publisher:
ISBN:
Category :
Languages : en
Pages : 306
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Book Description
