Showing 1 - 10 of 36,933
Persistent link: https://www.econbiz.de/10010208095
including changes in (i) rates of nitrogen application, (ii) supplementary irrigation and (iii) new cultivar (with higher … radiation use efficiency) on maize cropping systems over Africa based on 30 years (1980-2010) of climate, soil and management … traditional cultivars and average nitrogen application rates of <10 kg N ha-1. The model results showed that the combined changes …
Persistent link: https://www.econbiz.de/10011686804
nitrogen fertilization rate, b) adjustment of sowing date, c) implementation of new cultivars, and d) supplementary irrigation … on maize cropping systems across six African countries including Ghana, Nigeria, Kenya, Malawi, Ethiopia and Burkina Faso … global datasets at 0.5° x 0.5° spatial resolution. The nitrogen and cultivar packages were tested for all six countries …
Persistent link: https://www.econbiz.de/10011857816
model was calibrated for the test crops, maize (Zea mays Pan6966) and oats (Avena sativa L.), using data collected during … successfully calibrated for maize and oats as all the statistical parameters were within the prescribed ranges [index of agreement … SWB-Sci simulated aboveground biomass (TDM) and grain yield (GY) of maize and oats with high accuracy (d>0.85, MAE% ≤20 …
Persistent link: https://www.econbiz.de/10011208821
cereal production through higher yields. Field experiments were conducted on maize (Zea mays L.) at the New Developmental … splits (T6) at sowing and with 1st, 2nd, 3rd and 4th irrigation at two wk intervals. Maize ranked first with maximum PFPN … suggest that growing maize at D2 applied with N3 in four to five splits is more economical in the wheat-maize cropping system …
Persistent link: https://www.econbiz.de/10005798601
To reduce agricultural water quality impacts, many US states and other countries rely on agricultural best management practices (BMPs). Although fertilizer BMP rates are supposed to ensure the economic viability of agricultural production, BMPs are frequently based on agronomic, rather than...
Persistent link: https://www.econbiz.de/10011208802
Persistent link: https://www.econbiz.de/10009020428
-averse farmer. We apply the models to irrigated maize production in Switzerland. To analyze the sensitivity of optimal water and … nitrogen use to likely future states of several economic variables, we conduct sensitivity analyses with respect to changes in … price variability, the price–yield correlation, water and maize prices as well as farmers’ risk preferences. Results show …
Persistent link: https://www.econbiz.de/10011047850
at examining the risk perception, risk aversion and risk management strategies of maize producers in Awi zone, which is … found in the northwest part of Ethiopia. The study involved 343 respondents who produced maize under risk. Descriptive … management strategies that they employ. Maize farmers in the area applied human risk management strategies, production risk …
Persistent link: https://www.econbiz.de/10014306089
study assesses the maize and fertilizer adoption responses of food insecure farmers in Malawi, where Drought Tolerant (DT …) maize was recently introduced. A field experiment, eliciting relative risk aversion, loss aversion and subjective … adoption of different maize types and fertilizer use on the different maize types and recorded exposure to past and present …
Persistent link: https://www.econbiz.de/10012624455