Directory UMM :Data Elmu:jurnal:A:Agriculture, Ecosystems and Environment:Vol76.Issue2-3.Nov1999:
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Methane emission rates at dierent time points during the vegetation of rice microcosms consisting of one rice plant each in a planting pot containing 1 kg rice soil.. Black
In order to reduce soil loss and increase productivity in steep sloping lands, high-value contour hedgerows with sequential cropping sequences that include either corn (Zea mays L.)
Wildlife incident schemes in the UK (WIIS) and France (SAGIR) confirm there have been very few hare deaths caused by paraquat. Research indicates that free living hares are likely to
Regression analysis indicated that policies which improved marketing of grains, provision of credit (largely in form of farm inputs) and extension services, encouraged expansion of
Because of the higher rate of N fertilizer, soil NO 3 − concentrations were higher in the N 200 treatment than N 120 during both growing seasons; the 11 and 26 June sampling dates
On the other hand, for those who wish to work with others to support their action and their learning, the book provides a very nice account of a particular experience in the
Decreasing apparent returns to in- creasing external inputs may occur where a certain output level is obtained without any initial external inputs, even where the marginal efficiency
Significant changes in soil chemical properties included a decrease in pH and base saturation (Hobu) and a decrease in CEC and exchangeable K (Unitech). No significant changes in