[PDF] Top 20 Optimising nutrient use efficiency in crop production

... The use of nutrient fertilisers is a traditional practice of agricultural intensification that has been shown to increase yield (and thus reduce the yield gap) in crop species by between 30-50% ... See full document

... of nutrient and aid in controlled release which otherwise will get mineralized quickly and subjected to several ...important nutrient- Nitrogen, mostly found deficit in all the soils, can be efficiently ... See full document

... values ranged from 0.91 to 0.99 for linear relationships. Irrigation systems did affect electrical conductivity (EC) values and alternative interpretive standard values were developed dependent upon irrigation system. ... See full document

... and nutrient supply with maximum ...the use of drip tape, in response to legislative requirements to demonstrate efficient irrigation water application and reduce the agricultural impact on water courses ... See full document

... farmers’ use of inorganic fertiliser, but they are also influenced by the commercial messages 554 from television and fertiliser ...the use of television and other media for communication with ...improved ... See full document

... of crop, milk, butter, and live ...include crop area (hectares), fertilizer and pesticides expenses (Ethiopian birr), oxen inputs(oxen-days), seed (kg), labour for crop production (man- days), ... See full document

... Similar improvements to the efficiency of N use have been demonstrated in a series of response experiments with lettuce, cabbage and other arable crops (Stone, 2000a, b). Results from one of the bulb onion ... See full document

... cultivated crop in Asia as well as important food crop of ...technical efficiency in rice production has been reported in different regions as well as in the state of Manipur to show different ... See full document

... commercial production, the yield gap is likely to be wider than for arable ...modelling crop– environment ...resource-use efficiency (water, nitrogen) within germplasm collections of biomass ... See full document

... Technical efficiency can be calculated by non-parametric ...wheat production for the major producing states of India from 1982-83 to 1999-2000 with the help of the Data Envelopment Analysis (DEA) ... See full document

... In those plots receiving treatments as basin irrigation, uniform irrigation was given @ 5 l/plant daily up to 1 MAP (month after planting), @ 20 l/plant at 2 nd and 3 rd MAP and @ 40 l/plant from 4 MAP to two weeks ... See full document

... Wastewater use in agriculture is growing due to fresh water scarcity, population growth and urbanisation, which in turn, lead to the generation of yet more wastewater in urban ...the use of wastewater in ... See full document

... Result in Table 7 shows that MVP and MFC of resources used in production of arable crop in the study area. The MFC of farmland was the tribute paid by the tenant farmer which was N2000/ha on average. Labour ... See full document

... Polyacrylamide-managed furrow irrigation in some Idaho soils can help increase crop nutrient-use efficiency by preventing field nu- trient losses, and simultaneously protect surface wate[r] ... See full document

... a nutrient balance was calculated for each vineyard, considering inputs of nutrients through all ferti- lizers applied, nitrogen deposition through precipitation, and nitrogen fi xation from legumes and outputs of ... See full document

... the production, packaging and transport of fertilizers, seeds, machinery and pesticides (Ozkan et ...modern crop production is characterized by a high share of energy from fossil fuels and ... See full document

... K nutrient content were highly affected by the large foliar fraction for all three species (Table ...foliar production (Jose & Gillespie, 1996, 1997) and therefore the amount of woody biomass that can ... See full document

... of nutrients. Nitrogen fertilization (urea, 45% N) was splitted: 1/3 N was applied to foundation and the remaining 2/3 applied in coverage at 30 days after sowing. The boron was applied by using boric acid (17% B) as ... See full document

... containerized crop production maximize plant growth by supplying adequate or excess nutrient and water ...nursery production input use efficiency remains ≤ 50%, in part, because ... See full document

... food production in dry-lands and to reduce poverty has concentrated on new strategies to enhance soil and water management (Prinz, 1994; Ngigi 2001; Ekaya ... See full document