[PDF] Top 20 Directory UMM :Data Elmu:jurnal:A:Agriculture, Ecosystems and Environment:Vol79.Issue2-3.July2000:

... −1 and one and two sprays of sorgaab gave similar weed mor- tality of 20, 21 and 23%, ...4 and 6 Mg ha −1 resulted in higher weed mortality ...(29.2 and 40.8%, respec- tively). Both ... Lihat dokumen lengkap

... capital and labour, the biophys- ical contributors to farm income (rain or other ‘free’ water, soil nutrients, microbial and other soil life, natural grass and other flora) are often hidden from ... Lihat dokumen lengkap

... Table 3 shows that economic net margins per ha are positive for all arable ...Scenarios 3, 4 and 5 all demonstrate negative net margins, suggesting that, once the value of subsi- dies are taken out, ... Lihat dokumen lengkap

... (Horsnail and Robinson, 1984; Robinson, 1984). The pertinent work by Marrs and Frost, how- ever, had evaluated drift for helicopters which were not set-up exclusively with RD ...shows a response ... Lihat dokumen lengkap

... relations and the nature of R&D came under ...in a devel- oped ...within a tradition, albeit an emerging one. In common with Chambers and others, the opening theory section is highly ... Lihat dokumen lengkap

... Since denitrification measurements in 1996 started mid July, it is likely that denitrification peak was not captured. Therefore, one should be cautious when comparing the two seasons. Similarly, since measure- ments of ... Lihat dokumen lengkap

... conducted a series of fertilizer experi- ments at rich volcanic soils in the Papua New Guinea province of East New Britain and obtained taro corm yields between 1 and 18 Mg ha −1 ...on a high ... Lihat dokumen lengkap

... is a fair body of knowledge of indigenous cultivation systems in which crop rotation, compost- ing, and mixed cropping form important components (Torquebiau, ...through a larger area under cultiva- ... Lihat dokumen lengkap

... For a cropping system to be sustainable, should not only the soil nitrogen (N) content be preserved but also the N runoff be ...Finding a simple but robust way to estimate N runoff would thus be a ... Lihat dokumen lengkap

... provides a crop cover during most of the ...raindrops and increases the infiltration rate, which minimizes runoff and soil ...corn and peanut (Arachis hypogaea) with Leucaena leucocephala con- ... Lihat dokumen lengkap

... As a consequence of the hare being a declining and important game species there has been considerable research done to understand the underlying causes to enable better management of the ... Lihat dokumen lengkap

... as a result of very high soil ...(W–W–W) and the wheat plus fal- low crop pattern ...studies and reported that it is feasible to culti- vate forage, oil crops and pulses as break crops in ce- ... Lihat dokumen lengkap

... with a crop canopy or root ...Magid and Nielsen (1992) proposed that physiochemical changes associated with soil moisture might mask any bio- logical ...noted a winter minimum and summer ... Lihat dokumen lengkap

... vegetation and environmen- tal factors were analysed for 36 naturally regener- ated sites for which management information could be obtained from farmers, using Canonical Correspon- dence Analysis (CCA) (ter ... Lihat dokumen lengkap

... season and irrigated agriculture is ...Table 3 are additive it can be inferred that the policies increasing nominal producer prices, fertilizer prices, and those fa- cilitating access to farm ... Lihat dokumen lengkap

... clods, and the surface was levelled. The experiment was laid in a randomized block design in field plots (5 m × 5 m) with four ...Linn.) and black- gram (Phaseolus mungo ...10) and blackgram ... Lihat dokumen lengkap

... support a con- siderable portion of domestic animal production, and all of native grazing animals, are ...global environment change. As a consequence, animal production and grazing ... Lihat dokumen lengkap

... (Adejuwon and Ekanade, 1988) was computed on the assumption that the status of individual soil properties under re- forestation, grass and cultivation were once the same as that of adjacent soils under the ... Lihat dokumen lengkap

... definition and study of ...be a less clear distinction among crop management systems with a 300-year in- dex in comparison with a 50-year ...Wiley and Vona soils, the systems trade ... Lihat dokumen lengkap

... as a good mimic of forest ecosystems and indeed it would be difficult to find a rural development project in tropical uplands without an agroforestry ...systems, and the ‘Mi- ang’ ... Lihat dokumen lengkap