Results 11 to 20 of about 737,029 (342)

Dystrybucja produktów fotosyntezy w źdźbłach długo- i krótkosłomych pszenic ozimych [Distribution of photosynthetic products in short and long culms of hibernating wheats]

open access: yesActa Agrobotanica, 2015
The aim of the present study was to obtain the informations on the content of carbohydrates and the physiological behaviour of photosynthetic products formed at the beginning of grain development in short and long culm wheat plants.
U. Wojcieska, M. Ślusarczyk
doaj   +1 more source

Effects of Nitrogen Fertilization on Monoterpenes of Jack Pine Seedlings and Weight Gain of Jack Pine Budworm (Lepidoptera: Tortricidae) [PDF]

open access: yes, 2017
Nine-month old jack pine (Pinus banksiana) seedlings were grown in a greenhouse under four nitrogen fertilization regimes. Levels of total nitrogen and five monoterpenes in new foliage were measured. Fertilization resulted in four significantly different
Kulman, Herbert M   +2 more
core   +2 more sources

The effect of copper on the content and composition of saccharides in oat plants

open access: yesActa Agrobotanica, 2013
The relationship between the content and composition of saccharides and the dose and time of application of copper sulphate was studied in different organs and stages of development of oats (Avena sativa L. var. 'Udycz żółty').
Maria Ślusarczyk, Maria Ruszkowska
doaj   +1 more source

Pyrolysis temperature had effects on the physicochemical properties of biochar

open access: yesPlant, Soil and Environment, 2023
Biochar is the carbon-rich product obtained when biomass is anaerobically heated. In this study, different materials (corn straw and peanut shell) and pyrolysis temperatures (350, 450 and 550 °C) affect the elemental composition, surface structure, and ...
Xue Li   +10 more
doaj   +1 more source

Improving Tolerance of Faba Bean during Early Growth Stages to Salinity through Micronutrients Foliar Spray

open access: yesNotulae Scientia Biologicae, 2010
Salinity, either of soil or of irrigation water, causes disturbances in plant growth and nutrient balance. Previous work indicates that applying nutrients by foliar application increases tolerance to salinity.
Mohamed M. EL FOULY   +2 more
doaj   +3 more sources

Effect of Nitrification Inhibitors on N2O Emissions after Cattle Slurry Application

open access: yesAgronomy, 2020
Cattle slurry injection (INJ) has shown to be an efficient measure to reduce ammonia (NH3) losses from soils but it might also significantly increase nitrous oxide (N2O) emissions, which can dominate the total greenhouse gas (GHG) release in silage maize
Christina Herr   +3 more
doaj   +1 more source

Soil Fertility and Fertilizers

open access: yesAIBS Bulletin, 1957
Soil fertility and fertilizers , Soil fertility and fertilizers , مرکز فناوری اطلاعات و اطلاع رسانی ...
Samuel L. Tisdale, Werner L. Nelson
  +4 more sources

The floristic changes on excluded from agricultural production field after single Roundup spraying

open access: yesActa Agrobotanica, 2013
The purpose of experiment conducting on the field, weedy by Agropyron repens (L.) P. B. was established what is the degree of elimination of Agropyron repens plants from experimental plots by single Roundup spraying.
Wojciech Jabłoński, Maria Widera
doaj   +1 more source

Cryopreservation of common carp sperm [PDF]

open access: yes, 2003
Experiments were carried out to investigate the effect of five extenders (sucrose, glucose, fructose, KCl and a saline carp sperm extender) and two cryoprotectants (dimethyl-sulfoxide (DMSO) and methanol) on the cryopreservation of common carp sperm ...
Horváth, Ákos   +2 more
core   +1 more source

World cities and global commodity chains: an introduction [PDF]

open access: yes, 2010
The purpose of this special anniversary issue is to assess the possible cross-fertilization between two prominent analytical frameworks: the World City Network framework, in which researchers have studied the emergence of a globalized urban system for ...
Alderson   +49 more
core   +3 more sources

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