[PDF] Top 20 Directory UMM :Data Elmu:jurnal:A:Agricultural Water Management:Vol46.Issue2.2000:

... from a simple model should be compared with a more general model and vice ...investigated a problem similar to VEA in terms of the Richards equation and matched the numerical modeling with a ... Lihat dokumen lengkap

... block data as reported by Batumalai and Nassir [Batumalai, ...Effective water utilization with on farm terminal ...Regional Water Seminar, Alor Setar, Malaysia], the distribution ef®ciency was ... Lihat dokumen lengkap

... Two fields planted with olive trees were chosen for the experiments. The two sites (Location 1 and 2) have similar soil characteristics but different slopes ranging between 5 and 8%. Soil textures were analyzed using the ... Lihat dokumen lengkap

... of a simple and universal crop growth simulator (SUCROS) of van Keulen et ...1982. A summary model for crop ...with a water balance model (WBM) of Arora et ...of a simpli®ed ... Lihat dokumen lengkap

... low). A new approach to quantify the physical appearances through biophysical parameters of salt-afflicted crops ...further. A simple combination of multi-spectral bands without any classifier provides ... Lihat dokumen lengkap

... of a database management system (DBMS), model base and graphical user interface (GUI) was developed for performing irrigation scheduling under various management options for both single and multiple ... Lihat dokumen lengkap

... One access tube (external diameter 45 mm) was installed to 120 cm in the center of each of seven sites chosen. A neutron probe (Wallingford MK III) was used to measure soil moisture. Counts were taken over 16 s at ... Lihat dokumen lengkap

... crop water requirement (CWR) is of vital importance in water resources management and planning in ...of water indenting that assumes the requirements of all crops at ...(1984). A more ... Lihat dokumen lengkap

... into a signal acceptable to the switching circuit, a commercially available button type thermistor was ...transpiration. A similar button type thermistor was used as air temperature sensor, which was ... Lihat dokumen lengkap

... from a water application of 80 cm and a yield of 40,221 kg ha ÿ1 to an application of 224 cm and a yield of 91,170 kg ha ÿ1 ...on a comparison of the quadratic regression analysis (Ames ... Lihat dokumen lengkap

... experimental data, the movement of the solute front predicted by the models was slower (negative ARE and ...low water content in the shallow soil Ð and was greater than the mean velocity used in the ... Lihat dokumen lengkap

... Nitrogen requirement by maize compared with other nutrients is large in Sahelian soils for optimum vegetative and reproductive growth. Many physiological processes associated with maize growth are enhanced by N supply ... Lihat dokumen lengkap

... using a bi-level drainage approach has been suggested by all the researchers mentioned ...plays a significant role in arid and semi-arid regions not only in the decline of water tables, but also in ... Lihat dokumen lengkap

... One only expects that the material cost of drain pipes varies with the materials used. The variation appears not to be very pronounced for standard materials for drain pipes. Depending on the material used, labour costs ... Lihat dokumen lengkap

... irrigation systems, making it suitable for grain crops such as corn and soybean. Since WTM requires less energy, labour and water, it is more economical than a sprinkler system (Doty et al., 1983). WTM ... Lihat dokumen lengkap

... supplies water to 5000 ha by allocating a ®xed unit discharge at each ...offtake. A computer water management model, IRMOS, was used to assess the scheme's performance during a ... Lihat dokumen lengkap

... Reeds, a broad backswamp located in the northern part of the Mekong delta, is covered with 400 000 ha of acid sulphate ...mentions a cyclic occurrence of ``alun'' (at that time acid sulphate soils were ... Lihat dokumen lengkap

... fresh water (0.2 dS/m) or brackish water of 2 dS/m (natural saline groundwater, containing sodium 4100 mg/l, calcium 375 mg/l, magnesium 307 mg/l, chlorides 6548 mg/l, carbonates 457 mg/l and total ... Lihat dokumen lengkap

... followed a regular pattern as stripes that are more than 10 km long and about 100±200 m wide, and related to the previous ...in a depression and the other on higher ground, must be taken into account in ... Lihat dokumen lengkap

... refill a depth of ...50% water depletion of field capacity (designated as D1: drip1, D2: drip2, and D3: drip3, respectively), were used for drip irrigation in ...65% water depletion of field capacity ... Lihat dokumen lengkap