scholarly journals Dry matter production, chemical composition and nutrient accumulation in winter crops

2017 ◽  
Vol 12 (29) ◽  
pp. 2421-2426
Author(s):  
Ferreira Da Costa Poliana ◽  
Sérgio Rabello De Oliveira Paulo ◽  
Tiago Piano Jeferson ◽  
Egidio Taffarel Loreno ◽  
Ariel Melgarejo Arrúa Milciades ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Dry Matter ◽  
Dry Matter Production ◽  
Nutrient Accumulation ◽  
Matter Production ◽  
Winter Crops

EFFECTS OF SOME TRACE ELEMENTS ON GRASS AND LEGUME PRODUCTION IN NOVA SCOTIA

1962 ◽  
Vol 42 (1) ◽  
pp. 46-52 ◽  
Author(s):  
G. G. Smeltzer ◽  
W. M. Langille ◽  
K. S. MacLean
Keyword(s):  
Trace Elements ◽  
Nova Scotia ◽  
Chemical Composition ◽  
Field Experiment ◽  
Plant Tissue ◽  
Dry Matter ◽  
Soil Types ◽  
Dry Matter Production ◽  
Matter Production ◽  
Legume Production

In a field experiment, conducted on four different soil types, trace elements cobalt, zinc, manganese, copper, sodium and molybdenum were applied by sprayer to a grass-legume sward in late September in both 1955 and 1956. Treatment differences were evaluated in terms of total dry matter production and by the chemical composition of the plant tissue. The elements applied were detectable in plant tissue, but herbage yields were not affected. Apparently the trace elements in these different soil types were in the range of sufficiency for maximum herbage production.

scholarly journals Dry matter production and chemical composition of tropical forage legumes under different shading levels

2019 ◽  
Vol 41 (1) ◽  
pp. 43526
Author(s):  
João Carlos De Carvalho Almeida ◽  
Leonardo Fiusa de Morais ◽  
Raphael Pavesi Araújo ◽  
Mirton José Frota Morenz ◽  
João Batista Rodrigues de Abreu ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Dry Matter ◽  
Dry Matter Production ◽  
Forage Legumes ◽  
Matter Production ◽  
Tropical Forage

Dry matter production and nutrient accumulation in Crotalaria spectabilis shoots

2019 ◽  
Vol 42 (6) ◽  
pp. 615-625 ◽  
Author(s):  
M. Mauad ◽  
R. S. Santana ◽  
T. H. Carli ◽  
F. Carli ◽  
A. C. T. Vitorino ◽  
...  
Keyword(s):  
Dry Matter ◽  
Dry Matter Production ◽  
Nutrient Accumulation ◽  
Matter Production ◽  
Crotalaria Spectabilis

Seasonal dynamics of production, and nutrient accumulation and cycling by Phragmites asutralis (Cav.) Trin. ex Stuedel in a nutrient-enriched swamp in Inland Australia. I. Whole Plants

1989 ◽  
Vol 40 (5) ◽  
pp. 421 ◽  
Author(s):  
P.J. Hocking
Keyword(s):  
Standing Crop ◽  
Dry Matter ◽  
Plant Production ◽  
Dry Matter Production ◽  
Nutrient Accumulation ◽  
Ground Biomass ◽  
Matter Production ◽  
Whole Plant ◽  
Below Ground ◽  
Maximum Minimum

A study was made of the seasonal changes in dry matter production and patterns of nutrient accumulation by Phragmites australis in a nutrient-enriched swamp in inland Australia. The density of live shoots was highest (224 m-2) in October, but the peak standing crop of live shoots (9890 g m-2) occurred in early May. Peak below-ground biomass (21 058 g m-2) occurred in early August. Rhizome biomass constituted 75% of the below-ground biomass, and showed a distinct seasonal pattern. Net annual above-ground primary production (NAAP), estimated by the maximum-minimum method, was 9513 g m-2. Correction for shoot mortality and leaf shedding before, and production after, the maximum standing crop was attained increased NAAP to 12 898 g m-2. Whole plant production estimated by the maximum-minimum method was 9960 g m-2, and the corrected estimate was 14 945 g m-2. A model of dry-matter production indicated that translocation of carbohydrate from rhizomes could have provided 33% of the dry matter of shoots. About 23% of the dry matter of shoots was redistributed to below-ground organs during senescence. Concentrations of N, P, K, S, Cl and Cu declined, but concentrations of Ca, Mg, Na, Fe and Mn increased as shoots aged. Concentrations of N, P and Zn in rhizomes reached maxima in winter, and decreased in spring. Rhizomes usually contained the greatest quantity of a nutrient in the whole plant, and roots usually had less than 25% of the total plant content. There were seasonal fluctuations in the quantities of N, P, K, Zn and Cu in rhizomes. Nutrient accumulation by live shoots was underestimated by 22-55% using the maximum-minimum method. Nutrient budgets showed considerable internal cycling of N, P, K, S and Cu from rhizomes to developing shoots in spring, and from senescing shoots to rhizomes during autumn and winter.

scholarly journals Effects of enclosure management and rangeland sites on chemical composition of herbaceous species in south central Ethiopia

2020 ◽  
Vol 14 (1) ◽  
pp. 38-46
Author(s):  
Ayana Angassa Abdeta ◽  
Mulugeta Gudisa Gudisa Gudisa ◽  
Aster Abebe Abebe ◽  
Kenea Feyisa Feyisa ◽  
Alemayehu Mengistu Mengistu
Keyword(s):  
Chemical Composition ◽  
Dry Matter ◽  
Grazing Management ◽  
Management Systems ◽  
Dry Matter Production ◽  
Grass Species ◽  
Herbaceous Species ◽  
Central Ethiopia ◽  
South Central ◽  
Matter Production

This study was conducted in Adami-Tullu Jido-Kombolcha and Arsi Negelle districts, south central Ethiopia. The objectives of the study were to evaluate the interactive effects of grazing management systems and rangeland sites on dry-matter production and chemical composition of herbaceous plants in south central Ethiopia. Data were analyzed using GLM procedure in SPSS 16.0 version, which was used for mean comparisons using post-hoc t-test that can be employed to compare mean differences for enclosure and open-grazed areas. To test the effects of management systems and altitudinal variation on dry-matter production and chemical composition of herbaceous species, mixed model analysis was employed using sample site as a random variable while grazing management systems and altitude were fixed variables. A total of 28 herbaceous species were identified. Of the identified herbaceous species, 20 species were grasses, 2 species were legumes while 6 species were forbs. Among the recorded grass species, some were highly desirable, while others were in the categories of intermediate in terms of desirability and less desirable. We identified the dominant and common grass species that included: Arstida adscensionis, Cenchrus ciliarus, Chloris gayana, Chloris roxburghiana, Bothriochloa insculpta, Eragrostis papposa, Heteropogon contorus, Panicum maximum, Indigofer spinosa, Tephrosia pumila, Sporobolus pyrmidalis, Themeda triandra, B. nigropedata, Ocimum basilicum, Amaranthus dubis, Tribulos terrestris and Achyrantes aspera. The chemical composition of herbaceous plants were analyzed for DM, CP, NDF, ADF, ADL and Ash comparing two grazing management systems and three rangeland sites as patch mosaic units. The results of the present analysis showed that the average CP content in the open-grazed areas was significantly (P<0.05) higher than that of the enclosed areas. The upper and middle rangeland sites displayed significantly (P<0.05) higher CP content for the open-grazed areas than the enclosure management across the study areas. The present findings suggest that the DM, NDF, ADF, ADL and Ash contents of herbaceous species was significantly (P<0.05) lower in the open-grazed areas than in the enclosure management.

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