Scientific Papers Series A. Agronomy

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Table 1a. Direct, indirect and total N-N 2 O soil emissions (1989-1999) 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Direct emissions (Gg N- N 2 O) 30.08 26.10 19.68 15.75 17.59 16.91 17.08 16.16 16.66 15.78 15.90 Indirect emission (Gg N-N 2 O) 16.21 15.52 9.78 8.73 9.69 9.03 9.00 8.47 8.03 7.89 7.36 Total soil emissions (Gg N-N 2 O) 46.29 41.63 29.46 24.48 27.29 25.94 26.08 24.63 24.68 23.67 23.25 Table 1b. Direct, indirect and total N-N 2 O soil emissions (2000-2010) 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Direct emissions (Gg N- N 2 O) 12.82 15.12 15.10 15.79 14.42 15.93 15.37 12.79 14.58 14.74 15.11 Indirect emission (Gg N-N 2 O) 7.36 7.69 7.46 7.66 8.05 8.49 7.89 7.98 8.05 8.11 7.77 Total soil emissions (Gg N-N 2 O) 20.18 22.81 22.56 23.45 22.47 24.42 23.26 20.77 22.64 22.85 22.88 Figure 1. The trend of total (direct and indirect N 2 O) soil emissions Table 2. The quantities of mineral fertilisers used (N+P 2 O 5 +K 2 O) in the Romanian agriculture (Hera, 2009, from Dumitru, 2002-ICPA) Year 1950 1970 1990 2000 *active matter/substance Total (t a.m.*) 5.921 594.347 1.103.075 342.174 Agricultural land (kg ha -1 ) 0.4 39.8 74.8 23.0 Arable land (kg ha -1 ) 0.6 61.0 117.0 36.4 99
Figure 2. The decrease of cultivated area during the period 1910-2010 Figure 3. Contribution of each category (direct and indirect) to the total estimate of N 2 O emissions Figure 4. Contribution of each sub-category to te total of direct N 2 O emissions estimate As it can be observed in Figure 4, the values of the sub-categories “N from synthetic fertilizer” (from 24.70 % in 1991 to 44.43% in 1990) and “N fixed by crops” (from 26.03% in 2004 to 44.12% in 1999) have been the most important into the structure of the direct emissions from 100 soil. The contribution of the “N resulted from animal manure application” (from 15.92% in 1989 to 24.94% in 2007) and “N from crop residues” (from 7.35% in 1990 to 18.52% in 2004) to the direct soil emissions were less important.
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SCIENTIFIC PAPERS SERIES A. AGRONOM
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University of Agronomic Sciences an
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SUMMARY SOIL SCIENCES Variation of
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A survey study on determination of
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Effects of different nitrogen forms
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Determine the effect of some cultiv
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SOIL SCIENCES
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K + /Na + ratio that ultimately pre
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ZINC POLLUTION OF SOILS LOCATED INT
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as the result of the plant protecti
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OBTAINING OF HUMATE-BASED LIQUID FE
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an 11.6% mass loss and a 145.5 J/g
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mijloc important de fertilizare ech
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collected on 13/09/2012 at the dept
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Table 3. The Influence of mineral f
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CONCLUSIONS The Hybrid rapeseedseed
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Scientific Papers. Series A. Agrono
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CONCLUSIONS The results have shown
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organic carbon was determined thoug
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THE INFLUENCE OF SOIL TILLING SYSTE
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emerging plant, we recommend using
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at the cellular level of Ni (Bou et
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concentrations in agricultural soil
Page 49 and 50: Scientific Papers. Series A. Agrono
Page 51 and 52: Surfaces at the bottom shows higher
Page 53 and 54: substantial balance that means maxi
Page 55 and 56: Table 4. Aggregate composition and
Page 57 and 58: Scientific Papers. Series A. Agrono
Page 59 and 60: 1. The initial parameters of ordina
Page 61 and 62: Table 8. Modification of the featur
Page 63 and 64: Abstract Scientific Papers. Series
Page 65 and 66: the linear correlation coefficient
Page 67 and 68: CONCLUSIONS For soil polluted with
Page 69 and 70: 50 and 100 mg/kg and appreciated th
Page 71 and 72: Figure 4. Copper content in soil Fi
Page 73 and 74: samples collected in northern of fa
Page 75 and 76: MATERIALS AND METHODS Study areas T
Page 77 and 78: influenced by heavy metals contamin
Page 79 and 80: Pankhurst C.E., 1997. Biodeversity
Page 81 and 82: horizons, color, texture, structure
Page 83 and 84: From a chemical reaction these soil
Page 85 and 86: - Organic matter by Tiurin; - pH (H
Page 89 and 90: RESULTS AND DISCUSSIONS Invertebrat
Page 91 and 92: of moisture in arable layers, incre
Page 95 and 96: experimentation. The increase of mo
Page 97 and 98: THE TRANSITION PERIOD TO THE MARKET
Page 99: Activity data Activity data comes f
Page 103 and 104: of nitrous oxide. In: Revised 1996
Page 105 and 106: Laboratory results have been interp
Page 107 and 108: The air-mass interferes with the ov
Page 109 and 110: Under these conditions, Moldavian r
Page 111 and 112: decreased to near wilting coefficie
Page 113 and 114: CONCLUSIONS Severe drought that aff
Page 115 and 116: (temperature and soil moisture, air
Page 117 and 118: primary cultures analyzed, hybrids
Page 119 and 120: weeding crops during the growing se
Page 121 and 122: improper drainage and irrigation (G
Page 123 and 124: Figure 4. Scores plot of the soil s
Page 125 and 126: Table 1. Cluster analysis of the st
Page 127 and 128: DIFFERENTIATION OF FERTILIZATION RA
Page 129 and 130: Figure 2. Situation and location of
Page 131 and 132: Statistical data processing For the
Page 133 and 134: Phosphorus and potassium fertilizer
Page 135 and 136: 30 m. Regarding the formation and d
Page 137 and 138: considerably less. These facts are
Page 139 and 140: Table 2. Hydraulic dimensioning Par
Page 141 and 142: SPATIAL VARIATION OF PHYSICAL CLAY
Page 143 and 144: Figure 2. Situation and location of
Page 145 and 146: esistant to high clay content in th
Page 147 and 148: CONCLUSIONS Described regularities
Page 149 and 150: ecome widespread and in order to ea
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Table 3. Results of the analysis of
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COMPARISON OF SYSTEMS FOR TAXONOMY
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RESULTS AND DISCUSSIONS Soil types
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underdeveloped cinnamon forest soil
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Figure 8. Content of skeletal fract
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MODEL FOR INVESTIGATION, AMELIORATI
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RESULTS AND DISCUSSIONS Characteris
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terrain is in the composition of a
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Such characteristics require the ne
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Abstract Scientific Papers. Series
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Australia) with high resolution nit
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some important medicinal plants of
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RFV = [120 / NDF] × [88.9 - (0.779
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average at Viani - Brila County). A
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Figure 1. Dry above-ground biomass
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County) and 30.29% (CERA 270 hybrid
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phenological stages were found to h
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STUDIES REGARDING THE INFLUENCE OF
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ainfall were able to have a negativ
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Figure 7. Thermo-hydric stress fact
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In Romania is grown a large assortm
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Mainly vitamin C, E and polyphenols
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soluble compounds with antioxidant
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primarily the water-soluble antioxi
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has a split-split-plot design with
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Kovács B., Gyori Z., Prokisch J.,
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pays off (Mares et al., 2004; Gonz
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Table 3. Tested variants V1 Control
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about the inner value of flora. The
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MATERIALS AND METHODS Biological ma
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Figure 2. Correlation between prote
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CONCLUSIONS Production and quality
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The following presents several tech
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3. Evolution of total weed number i
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RESEARCH ON APPLICATION OF NPK FERT
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Also increase production significan
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In April 2012, the pre-sowing proce
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difference with the hoed control sa
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RESULTS AND DISCUSSIONS Data about
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Table 7. Proved difference between
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Table 1. Variance analysis experien
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Amongst the three precocity groups,
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ACKNOWLEDGEMENTS This study was car
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to present genetic sources of resis
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REFERENCES Antonova T.S., Araslanov
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Halstedii is necessary to identify
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EFFICIENCY OF UTILIZATION OF ASELEC
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to separate the effects of genotype
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INFLUENCE OF THE CLIMATIC CONDITION
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In 2012, at NARDI Fundulea, data fr
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parameter from the treated variants
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Table 6. The effectiveness of some
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Table 1. Probability of the meteoro
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At 50% DI in EOF, only a small part
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This was probably due to the specif
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under deficit irrigation. This prov
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RESULTS AND DISCUSSIONS Intervals w
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productions from one year to anothe
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epresented by soil ecologization an
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new created ones as a basic conditi
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The highest number of kernels per e
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Table 8. Average weight of thousand
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CONCLUSIONS The drought from the ye
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IWM as appropriate, necessary studi
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100% in the first 6 weeks of growth
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locules boll -1 (0.02), seeds locul
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Bhutto H., Baloch M.J., Yousaf M.,
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Table 4. GCA effects for morpho-yie
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MATERIALS AND METHODS This study wa
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vegetation of each of the swaths, i
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Sudangrass hybrids depending on the
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The parameters of biomass and dry m
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transplanting and ½ applied at fir
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Fertilization Forms Table 2. The me
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growing agricultural farms; evoluti
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In this area, priority must be to p
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soybean seeds are found farms that
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are a better material for haploid i
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Figure 6. Embryo and endosperm mark
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RESEARCHES CONCERNING THE INFLUENCE
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Table 1. The influence of seeding d
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Exagone hybrid. Thus, when sown at
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Table 9. The influence of sowing di
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MATERIALS AND METHODS In order to k
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Table 3. Genotype influence on whea
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Romanian varieties from the experim
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Table 2. Efficacy of some fungicide
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ROMANIAN WHEAT - STRATEGIC PRODUCT
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exceeded 2,000 thou ha, and maximum
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Values over 26% wet gluten were det
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effective and can build a significa
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grassland. This method is commonly
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RESULTS REGARDING DROUGHT RESISTANC
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average for this period is 170.6 mm
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Hybrid FAO grupe Table 2. The main
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length has lowest values at the unt
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CHARACTERISTICS OF SECOND GENERATIO
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developed in Dobrudzha Agricultural
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Table 5. Cytological characteristic
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We can see in the table that all li
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RESULTS AND DISCUSSIONS Mean compar
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Table 4. Statistical interpretation
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COMPARATIVE STUDY OF CONVENTIONAL A
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Improved sunflower hybrids for use
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differences in production to contro
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International Center for Agricultur
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Table 3. Evaluation of Genotypes fo
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Table 1. Characteristics of city sl
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Table 4. Amount of the rainfall dur
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ECOLOGICAL AGRICULTURE
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maize had a density of 5 plants/m 2
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CONCLUSIONS In terms of productivit
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amino acids, such as 4-hydroxyisole
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Table 5. Determining chlorophyll pi
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PROPOSALS ON TECHNOLOGY OF MOVING A
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These are the main technical charac
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FUNGAL BIODIVERSITY AND CLIMATE CHA
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Climate change effects and Dobrogea
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Figure 10. Pure culture of benefici
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MANAGEMENT OF BENEFICIAL MICROORGAN
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microorganisms DSMZ Braunschweig -
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Protocol of research and reporting
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“HERBAL MEDNET” AN INNOVATIVE A
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Figure 2. Value of global herbal ma
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Figure 3. The Allelopathy effect on
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AGRICULTURAL ENGINEERING AND RENEWA
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Research was also aimed at observin
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Leaf production of dry matter per h
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cooking oil and jatropha oil (Vonsh
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machines, many different fat extrac
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Table 4. The nutrient content Conte
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Figure 21. Dunaliella salina sp. ch
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for the decline is the growing numb
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Tractor power seemed the obvious wa
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Figure 4 shows that in 17 post war
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their employability, help raise the
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. Scientific Papers. Series A. Agro
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through the sprinkler irrigation. A
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Figure 5. Overlapping sprinklers wi
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CLIMATE CHANGE AND AGROMETEOROLOGIC
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Bulgaria to the use of agroclimatic
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Figure 9. Duration of the period so
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Figure 18. Evapotranspiration of wi
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RESULTS AND DISCUSSIONS After scari
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The influence of the texture on the
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Figure 6. Area of land planted with
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APPLIED BIOLOGY IN AGRICULTURAL SCI
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MATERIALS AND METHODS Researches we
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RESEARCHES REGARDING EVOLUTION OF S
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gradually reduce towards the end of
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According to that, the aspect of th
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etween classes of variation with ma
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Table 2. Average heights of Lycium
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V 1 V 2 Table 6. Average shoot leng
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Table 13. Average dry substance of
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centrifuge (7000 rev/min. during 20
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7, Streptomyces sp. 9, and Streptom
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laboratory of Biology, USAMV Buchar
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SOME NEW SPECIMENS FOR ZOOLOGICAL T
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New reptiles for our teaching colle
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Figure 1. Scatter plot of odontosty
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Table 4. Measurements of Xiphinema
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Malus pumila and P. avium are new h
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- the mean, minimum and maximum mon
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The monthly mean of the flow highli
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longer in balance with the existing
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ecording the encountered plant spec
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Mediterranean (3), Balkan (1), Cent
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Table 3. Segetal species of the Top
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of sugar/flower and the honey poten
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Territorial concentration of mellif
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CONCLUSIONS In Giurgiu County there
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farm (Awake, 1998). Rahman et al. 2
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Table 3 shows that there was a high
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RESULTS AND DISCUSSIONS x, k, r, R
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Figure 3. Us-Pressure Relations of
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