[PDF] Top 20 Directory UMM :Data Elmu:jurnal:A:Agricultural Water Management:Vol42.Issue3.Jan2000:

... force water to penetrate deep into the soil ...of a dry mulch layer and can be achieved by mixing the topsoil with a hydrophobic compound either of synthetic origin ...has a beneficial ... Lihat dokumen lengkap

... of a shallow water table in a flat ...whether a minimal set of field data would suffice to use DRAINMOD for predictive ...measured water table depth and drain outflow from ... Lihat dokumen lengkap

... Simulation results for each modernisation scenario are summarised in Table 3. In Scenarios I±IV, increasing the discharge by a ratio of four decreased irrigation time by a ratio of 6.2. Scenario III (150 l ... Lihat dokumen lengkap

... canal management as much water as required to irrigate all crops ...their water to crops where the economic value of the yield was high, like ... Lihat dokumen lengkap

... 1992, a trial was conducted with an iceberg lettuce crop (Lactuca sativa ...with a density of 8 plants/m 2 on a 0.5 ha field (50 m 100 m) of a sandy soil (see characteristics in Tables 1 and ... Lihat dokumen lengkap

... end application of the data. In this case, the focus is on subsurface drainage design. Field measurements are, in principle, preferable to laboratory measurements as they reflect better natural boundary conditions ... Lihat dokumen lengkap

... The scatterplot of mean values of measured (using the soil moisture profiles) and estimated by the model evapotranspiration are presented for all crops in Fig. 9. In the same figure, the perfect prediction line is also ... Lihat dokumen lengkap

... in a 50 40 cm 2 area on one side of a row for two ...in a 60 cm deep soil volume. Roots on both sides of a row, irrigated or non-irrigated furrows, were harvested for all the treatments but ... Lihat dokumen lengkap

... relative water inputs are given in Table 4. The total water requirements to produce the food is estimated to be ...Vitamin A and 17 mg of iron. Unless specified otherwise, the water ... Lihat dokumen lengkap

... seasonal water applied and marketable yield of cabbage, spinach, rape, carrot, tomato and onion are shown in ...seasonal water applied and marketable yield of vegetable crops exhibited quadratic ... Lihat dokumen lengkap

... in a nursery and transplanted at the six- leaf stage (5 weeks after ...sowing). A week before transplanting, the experimental site was ploughed and harrowed to depths of 25 ...by a light irrigation ... Lihat dokumen lengkap

... from water, food, and health problems. Increasingly, agricultural water management must be coordinated with, and integrated into, the overall water management of the ...of ... Lihat dokumen lengkap

... irrigation water demands based on climate-soil- plant ...total water supply. Later, Paudyal and Gupta (1990) applied a multilevel optimization technique to resolve the complex problem of irrigation ... Lihat dokumen lengkap

... of a wet and cool season in 1993, safflower did not mature and, therefore, was not ...Soil water at 0.3 m increments to a depth of ...as a minimum near time of seeding and at ...at a ... Lihat dokumen lengkap

... as a result of closer coupling between the use and availability of resources (Sanchez, ...of water is of key ...and water stored in soil exceed that used by plants, surplus water will lead to ... Lihat dokumen lengkap

... tactical management in agriculture of reuse water, and greater advantage will be taken of aquifer storage and groundwater ...through a food equivalent of OPEC, ... Lihat dokumen lengkap

... river water have increased as population and industrialization has escalated over the past 40 ...historical data on local water quality and soil chemistry to evaluate the current or future impacts of ... Lihat dokumen lengkap

... climatic data for the 1996/97 growing season were collected from Bunda College weather station located about 1 km from the research ...The data included rainfall, temperature, wind speed, sunshine hours, ... Lihat dokumen lengkap

... take a considerable period of time (>10 years) to have any noticeable impacts on recharge; the difference in recharge under fallow and non-fallow rotations is significant (Table ...use water in root ... Lihat dokumen lengkap

... is a calcareous red earth (Stace et al., 1968) with a Northcote classification Gn ...in a field that had been cleared of trees (mallee, bulloak and western red box) in ...has a predominant ... Lihat dokumen lengkap