[PDF] Top 20 Directory UMM :Data Elmu:jurnal:S:Soil & Tillage Research:Vol55.Issue1-2.May2000:

... conservation tillage may be impacted by changes in soil ...reduced tillage systems after rotation from a perennial sod ...loam soil (Gleyic Luvisol) in Northern New York. Soil water ... Lihat dokumen lengkap

... Inappropriate tillage practices and seedbed types have often been identi®ed as major constraints to cereal crop production in the Savanna agro-ecological zone of northern ...the soil from degradation, ... Lihat dokumen lengkap

... the soil surface is the most effective placement for erosion ...our research on the Columbia Plateau with similar soils and shallower slopes, the results are much the ...the soil surface and both ... Lihat dokumen lengkap

... post-harvest soil conditions. The tillage treatments were no-tillage (1), mouldboard ploughing (2), mustard intercrop (3), early cultivation (4) and late cultivation ...no tillage (1) ... Lihat dokumen lengkap

... on soil compaction and its major sources in Iran, particularity in the central regions (Eghbal et ...arid soil, application of a no-till system resulted in an increase in soil OM and thus larger ... Lihat dokumen lengkap

... of tillage required for the following wheat ...two tillage systems (conventional and zero tillage) in puddled and non-puddled rice ®eld with two fertility ...m) soil at the tillering stage of ... Lihat dokumen lengkap

... the soil hydraulic functions. Their measurement becomes one of the research preferences in this branch of applied soil ...of soil surface hydraulic ...homogeneous soil pro®le or on ... Lihat dokumen lengkap

... of soil structure, its dynamics, and physical processes appears to be a useful tool in reaching a better understanding of system ...of soil physical properties and fractal parameters seems to be important ... Lihat dokumen lengkap

... using variants of the box-counting method. Scales were much smaller in this study, and the resolution was de®ned indirectly by converting pressures to the radii. Different sensitivity of fractal parameters to long-term ... Lihat dokumen lengkap

... Vemco minilog data logger TR data loggers . Temperatures were also manually checked each day. Each heated reservoir tank was connected to three replicate experi- mental tanks. The flow to each tank enabled ... Lihat dokumen lengkap

... against data collected on an air-stripping unit in operation at the Freshwater Institute (Table 3); the methods used in this stripping experiment are summarized in Appendix ... Lihat dokumen lengkap

... This work was funded, in part, by the Louisiana Sea Grant College Program, an element of the National Sea Grant College Program, under the direction of NOAA, U.S. Department of Commerce. This unit has sustained support ... Lihat dokumen lengkap

... The photoperiod also has a determining impact on fish feeding behavior, consequently on the entire rearing system (Cove`s, pers. commun.), and the maxi- mum level of feed intake and fish growth are obtained with ... Lihat dokumen lengkap

... Ž . Fig. 2. Cartilaginous skeletons in normal flounder larvae at 6.5 days after fertilization the open-mouth stage . Ž . A Alcian-blue staining to visualize cartilages. Upper is lateral view and lower is ventral ... Lihat dokumen lengkap

... the data were expressed as means with the 95% confidence limits: mean 9 ...( s 2 /n); s 2 /n is considered as the variance, ...the data expressed as mean 9 standard ... Lihat dokumen lengkap

... ion, 1988 at the Laboratory of Fish Immunology and Genetics, Bar-Ilan University, Ramat Gan, Israel. To produce the artificially fertilized groups, a batch of eggs of a single S. galilaeus female was divided into ... Lihat dokumen lengkap

... Power Research Institute of Palo Alto, California has developed a commercial fish production demonstration utilizing water reuse technology developed at the North Carolina State University Fish ...economic ... Lihat dokumen lengkap

... of research programmes on the biology of cultured juveniles of the Eurasian perch Perca flu Õ iatilis, which rely on monitoring the activity of PIT tagged individuals through the use of automatic data entry ... Lihat dokumen lengkap

... respectively Meyerson, 1970; Windholz, 1983 . A difference in pH of the media used will therefore influence the ratio of ionisedrnon-ionised forms of the antibacterial, and hence, the lipophilic properties of the drugs. ... Lihat dokumen lengkap

... fellow of the Fund for Scientific Research FWO-Vlaanderen . We express our gratitude towards R. Huybrechts and A. De Loof for the use of the laboratory facilities. We thank B. Hellemans for his help with the ... Lihat dokumen lengkap