[PDF] Top 20 Directory UMM :Data Elmu:jurnal:E:European Journal of Agronomy:Vol13.Issue2-3 July2000:

... whole of Europe was rather favourable except for Spain and Portugal, which experienced a severe water shortage period in late ...yield data for the single not-extreme year 1995 as an approximation for the ... Lihat dokumen lengkap

... application of manure and fertiliser may provide more favourable conditions for the mani- festation of the rotation ...application of organic mat- ter which can be thought of as an ecological ... Lihat dokumen lengkap

... application of a deterministic model (LEACHN) with the aim of forecasting the probability of exceeding given nitrate leaching levels for different cropping systems and soil hydrological characteris- ... Lihat dokumen lengkap

... emissions of green- house gases to 1990 levels by 2000. Manipulation of farm practices to minimize N pollution de- pends on developing an understanding of the ...number of detailed studies on ... Lihat dokumen lengkap

... planting of spring-sown crops (maize, sunflower, and sor- ghum) was anticipated by 2 weeks with respect to the baseline ...tion of vegetative and grain-filling periods were maintained in similar proportions ... Lihat dokumen lengkap

... the European Union introduced the milk quota system, effectively curbing total national and individual farm production volume, and national governments increasingly took measures to reduce the losses of ... Lihat dokumen lengkap

... form of environmental degradation and the diminution of nature and landscape ...reorientation of farming is needed to find a new balance between economic goals and rural employment, and care for ... Lihat dokumen lengkap

... issue of the European Journal of Agronomy presents a selection of full papers based on contributions to the Fifth Congress of the European Society for ...edition ... Lihat dokumen lengkap

... scarcity of water resources, the correct evaluation of water losses by the crops as evapotranspiration (ET) is very important in these ...presentation of each method, we have recalled the basic ... Lihat dokumen lengkap

... leaves of the young plants as shown in Table ...proportion of older leaf proteins is hydrolyzed shortly before anthesis until 2 weeks after anthesis and according to Stoy (1972) (quoted by Mengel and ... Lihat dokumen lengkap

... distribution of weed seeds in the soil is of fundamental importance because seedling emergence depends on seed ...displacement of the earth during mouldboard ploughing contributes to the dispersal ... Lihat dokumen lengkap

... HID96-1295-CO4-01 of Programa Nacional de Recursos Hidricos and OLI96-2212 of Programa de Aceite de Oliva Comision Interministerial de Ciencia y Tecnologia, ... Lihat dokumen lengkap

... consisted of all the green and senescent aerial parts present on the ...mass of dead leaves falling on the soil was estimated by collecting the dry matter of the leaves which had fallen on the soil ... Lihat dokumen lengkap

... ments of N runoff are difficult to obtain and require rather expensive lysimeter trials ...expression of the to- tal potential for N losses from an agroecosystem, and thus an indirect indicator of N ... Lihat dokumen lengkap

... Ministry of Agriculture, Fisheries and Food (MAFF) and other government agricultural de- partments administer a Wildlife Incident Investigation Scheme ...One of the objectives of WIIS is to monitor ... Lihat dokumen lengkap

... analysis of N use efficiency for taro and sweet potato grown on a sandy soil in the humid lowlands of Papua New ...help of the three-quadrant procedure, which was introduced by de Wit in the 1950s ... Lihat dokumen lengkap

... width of 20 m, and ex- tended 32 m into the field and to a minimum of 32 m from each end of the chosen field ...consisted of six ...distances of 1, 2, 4, 8, 16 and 32 m from the ... Lihat dokumen lengkap

... log of flow rates and the log of stream dissolved or soluble reac- tive P (SRP) concentrations ...periods of low flow in summer (Leinweber, ...periods of high flow in winter. Xue et al. (1998) ... Lihat dokumen lengkap

... most of the deforestation of the woodlands in the commu- nal areas took place before the policies being analyzed were ...estimates of 1963 indicate that 60% of Zimbabwe’s communal areas were ... Lihat dokumen lengkap

... rates of certain external inputs, such as in wheat growing, or dairying based on ...type of input–output relation, inputs are required before any yield can be obtained, such as in irrigation schemes in ... Lihat dokumen lengkap