[PDF] Top 20 Directory UMM :Data Elmu:jurnal:S:Soil & Tillage Research:Vol52.Issue3-4.Oct1999:

... the soil during the experimental period was estimated using ...ment S (Table 5). Soil exchange between adjacent plots during the experimental period had also occurred and most likely led to a net ... Lihat dokumen lengkap

... that soil surface fragmentation could also lead to an increase in overall runoff (case of ECULT and ...the soil during the inter- crop period seems to increase soil loss, especially if the ... Lihat dokumen lengkap

... 0 S latitude and 57 8 57 0 W ...year. Tillage depth was around 200 20 mm. The soil sample sites distances varied from around 50 m between T5 and T6, to several hundred meters apart for the ...others. ... Lihat dokumen lengkap

... more soil water and produced 14% and 11% more grain and straw yields of sorghum, respectively, than did ¯at ...more soil water storage and increased yield of sorghum by 7% over FYM at 5 Mg ha ÿ1 ‡ 40 kg N ... Lihat dokumen lengkap

... adverse soil physical conditions, also corresponded with adverse conditions for winter bar- ley growth (Ball and Ritchie, ...wet soil by tractor traf®c increased N loss by denitri®cation 3±4 fold and ... Lihat dokumen lengkap

... Undisturbed soil samples were collected with metal samplers (12 cm long, 14 cm wide and 25 cm high) at each experimental site of ...1986). Soil cores were then re-impregnated with the same resin under ... Lihat dokumen lengkap

... by soil water, soil aeration, and soil resistance to root ...in soil water content within which limitations to plant growth associated with water potential, aeration and soil resistance ... Lihat dokumen lengkap

... A 2-year ®eld experiment was conducted at two sites located in the forest zone of Central Cameroon (Yaounde region). The sites whose major character- istics are presented in Table 1 were Minkoameyos, the IRAD ... Lihat dokumen lengkap

... accelerated soil C loss is with gas exchange ...dynamic soil chamber over tilled surfaces, while differences over surfaces not tilled were ...with tillage-induced changes in soil properties ... Lihat dokumen lengkap

... The soil was mouldboard ploughed to 25 cm depth the day before treatment application, thereby incorporating these ...of soil compaction and residue incorporation would be across the ...the soil ... Lihat dokumen lengkap

... the soil of an intensive olive orchard was calculated to be about 260 mm (Bonachela et ...Conventional tillage (CT) has long been used in olive orchards with the primary goal of reducing weed competition ... Lihat dokumen lengkap

... Overall, this ®lm provides an overview of ongoing research in Germany. It may offer useful information that university teachers can use, but the ®lm fails to provide a comprehensive coverage of the subject ... Lihat dokumen lengkap

... top soil was carefully collected from an arable layer (0±200 mm) and frozen in trays, at a temperature of ÿ188C, for a period of 72 ...The soil was then allowed to air-dry to a moisture content of ... Lihat dokumen lengkap

... proximity (8 km) of Praia city (Fig. 1). A record length of 84 months (1980±1987) consisting of 63 recorded storms was analysed at a 15-min interval basis. The series was truncated at 9 mm rainfall, being the lowest ... Lihat dokumen lengkap

... Several research groups attempted to relate soil compactibility, as measured with the Proctor test, to readily available soil parameters and management ...parameters, soil organic matter and ... Lihat dokumen lengkap

... NT tillage, but those in the MB tillage remained unchanged or declined over ...the soil samples were taken after incorporation and before signi®cant decomposition during the summer, the measured d 13 ... Lihat dokumen lengkap

... the soil samples investigated in this paper ...no data on shear parameters, and as such we had to use only the estimation procedures not needing this input para- meters, procedures considered by their ... Lihat dokumen lengkap

... the soil surface in situ has the potential for increasing soil C concentrations and improving soil structure on these ...KMnO 4 (Blair et ... Lihat dokumen lengkap

... on soil suitability for agricultural production in the context of sustainable ...how soil characteristics vary with parent material and topography provides a basis for determining land utilization type, ... Lihat dokumen lengkap

... The wheat residue was a pooled sample from four separate ®elds of `Stephens' winter wheat planted the previous fall. The ®elds were grown under standard fertility with 90±135 kg N ha ÿ1 added to reach a total soil ... Lihat dokumen lengkap