Minimizing the risk of nitrate contamination along the waterways of the U.S. Great Plains is essential to continued irrigated corn production and quality water supplies. The objectives of this study were to quantify nitrate (NO(3)) leaching for irrigated sandy soils (Pratt loamy fine sand [sandy, mixed, mesic Lamellic Haplustalfs]) and to evaluate the effects of N fertilizer and irrigation mana...

The crystal structure of the title compound (26DMPCA), C(10)H(12)ClNO, is closely related to those of side-chain-unsubstituted N-(2,6-dimethyl-phen-yl)acetamide and side-chain-substituted 2,2,2-trichloro-N-(2,6-dimethyl-phen-yl)-acet-amide and N-(2,6-dimethyl-phen-yl)-2,2,2-trimethylacet-amide, with slightly different bond parameters. The mol-ecules in 26DMPCA are linked into chains through N-H...

produced by mutants of Streptomyces peucetius^ , the daunorubicin2) producing microorganism, led to the discovery of doxorubicin (adriamycin)3) and other new anthracyclines4~8). By further mutagenic treatment of Streptomyces peucetius var. aureus, sl mutant of Streptomyces peucetius producing 4Odemethyl1 1 deoxydoxorubicin and analogues7), we have recently isolated other new mutant strains. Amo...

The challenges of soil degradation and climate change have led to the emergence Conservation Agriculture (CA) as a sustainable alternative tillage-based agriculture systems. Despite recognition positive impacts on health, CA adoption in Africa has remained low. Previous health studies mainly focused ‘scientific’ measurements, without consideration local knowledge, which influences how farmers i...

Complex formation between Azotobacter vinelandii flavodoxin and horse cytochrome c has been demonstrated through cross-linking studies with dimethyl suberimidate, dimethyl adipimidate, 1-ethyl-3-(3-di-methylaminopropyl)carbodiimide, and dimethyl-3,3'-dithiobispropionimidate. Essentially quantitative cross-linking of cytochrome c and flavodoxin was observed at low ionic strengths with the carbod...

By JOHN A. CAVINS, SHINPEI KASAKURA, E. DONNALL THOMAS AND JOSEPH W. FERREBEE D OGS lethally exposed to general radiation usually make uneventful recoveries if given prompt infusions of a few billion autologous marrow cells.1’2 Cells for these infusions can be preserved indefinitely at bow temperature in glycerol. ’4 Recent studies suggest that dimethyl-sulphoxide may be preferable to glycerol ...

The solubility of CO2 in various aqueous amine based solvents was determined at lower CO2 partial pressures. Cyclic capacity of various potential aqueous amine based solvents at 10 kPa CO2 partial pressure was determined by performing CO2 absorption at 30C, regeneration at 90C and at 1 atmosphere. 1,7-Diaminoheptane and 1,6Hexanediamine, N,N'-dimethyl was found to be having high cyclic loading ...

Reactions of 5-hydrazino-1,3-dimethyl-4-nitro-1H-pyrazole (1) with substituted benzaldehydes (2-5) in methanol gave the new substituted benzaldehyde (1,3-dimethyl-4-nitro-1H-pyrazol-5-yl)hydrazone Schiff base ligands (6-9) benzaldehyde (1,3-dimethyl-4-nitro-1H-pyrazol-5-yl)hydrazone (H-BDH, 6), 2,3-dimethoxybenzaldehyde (1,3-dimethyl-4-nitro-1H-pyrazol-5-yl)hydrazone (MeO-BDH, 7), 4-chlorobenza...

α, ω-alkane-bis(n-myristoyloxyethyl-n, n-dimethyl)-diammonium bromide were synthesized and confirmed by ft-ir, ft-raman and 1h-nmr spectroscopy. surface tensions were measured by sigma 70 and conductivity meter ec-470c. critical micelle concentration values were 2.70×10-4∼3.05×10-4 mol/l. the krafft points were measured at 39.1 ~ 43.2℃. their inhibition effects on the corrosion of low carbon st...

consequence in the plots each year, and no supplemental inoculum of P. herABSTRACT Herrman, T., and Wiese, M. V. 1985. Influence of cultural practices on incidence of foot rot in potrichoides was added. winter wheat. Plant Disease 69:948-950. The three preplant tillage systems evaluated in this study were 1) conCrop rotation, preplant tillage, cultivar selection, nitrogen fertilization, and ben...