Use of fertilizer in the field
Maize response to fertilizer and fertilizer-use decisions for farmers in Ghana
... by field, but then report production by ...one field I do not know how much of the field was allocated to each crop or how much of the inputs were dedicated to each crop and (2) if the farmer grew ...
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ENERGY IN FERTILIZER AND PESTICIDE PRODUCTION AND USE
... In reducing energy inputs to transportation and storage of pesticides, the farmer can most effectively control the energy used to transport the pesticides within the farm. Since many pesticides require heat energy during ...
5
Farmers' impatience and fertilizer use in Burkina Faso
... widespread use of irrigation, improved varieties and fertilizer use and that the low use of fertilizers is responsible for the observed stagnation of yields in Africa (Morris, Kelly, Kopicki, ...
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Field trials show the fertilizer value of nitrogen in irrigation water
... In general, surface water sources have reasonably low but stable NO 3 -N, typi- cally < 5 mg/L. Water districts usually have historical records that provide good estimates of NO 3 -N concentration for the current season. ...
6
Incomplete markets and fertilizer use : evidence from Ethiopia
... 5 There are additional reasons for low fertilizer use tied to knowledge and information hurdles. Several authors note that levels of education are especially low in Africa which slows the dissemination of ...
21
The use of fertilizer nitrogen applications to increase productivity of soybean
... Variation in N sources and applications timing that increased soybean yield are likely related to the soil type and environmental conditions of a particular production season. Such results allow growers to fine-tune ...
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Field Level Management and Data Verification of Variable Rate Fertilizer Application
... of use make spinner-disc spreaders the primary method of applying fertilizers throughout much of the United ...multiple fertilizer products to be applied at variable application ...for fertilizer ...
9
How High are Rates of Return to Fertilizer? Evidence from Field Experiments in Kenya
... There could, however, be heterogeneity in the returns across farms. To assess the extent of heterogeneity in expected returns, column 1 in Table 2 presents regressions of farmers’ measured rate of return on observable ...
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Effects of irrigation water quality on the recovery of 15N-fertilizer by Sorghum in field study
... The use of 15 N labeled fertilizer has become increasingly important in field studies for drawing up the balance sheet of fertilizer ...between fertilizer N and indigenous N, providing ...
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Effects of N fertilizer and a bioherbicide on Egyptian broomrape (Orobanche aegyptiaca) in a tomato field
... Broomrape biomass was affected significantly by bioherbicide (p<0.01). Bioherbigation and seedling root treated with bioherbicide significantly decreased Orobanche biomass about 35 % and 58 %, repectively compared to ...
5
Japan s first use of the general waste slag as fertilizer
... Environmental Solution Division Abstract Slag discharge from our company’s direct melting system, which is used effectively is the differentiation technology. However the order amount of public works, which occupy 50% of ...
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Manure-Derived Biochars for Use as a Phosphorus Fertilizer in Cotton Production
... the use of biochar as a method of C sequestration are still circumspect (Galinato et ...a fertilizer-based biochar and energy from pyrolysis might favorably shift the costs of convert- ing manure (Ro et ...
6
Nutrients in Runoff from a Furrow-Irrigated Field After Incorporating Inorganic Fertilizer or Manure.
... I rrigated cropland produces a large share of the total crop value in the United States. Of the U.S. irrigated acreage, furrow irrigation is used on about one-quarter, or 5 million ha (USDA, 1998). Although furrow ...
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Feasibility Decrease use of Fertilizer on Greenhouse Cucumber Production in Soilless Culture
... Key words: cucumber, nutrient uptake, bag culture, quality, nitrate. not possible, to improve control over the growing environment and to avoid uncertainties in the water and nutrient status of the soil. It also ...
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Fertilizer market reform and the determinants of fertilizer use in Benin and Malawi
... eliminated fertilizer subsidies and liberalized input marketing as part of the reform process that began in the early ...on fertilizer prices and use is one of the most frequently mentioned ...
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Alternative Approaches for Promoting Fertilizer Use in Africa, with Particular Reference to the Role of Fertilizer Subsidies
... Asia, fertilizer subsidies were a component of many countries’ “Green Revolution” ...that fertilizer subsidies should be promoted in Africa because they were important in Asia may need further analysis to ...
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EVAPOTRANSPIRATION AS AFFECTED BY SOIL MOISTURE AND FERTILIZER USE
... Effect of soil moisture on ET.-An increase in soil water supply increased ET of spring wheat (Table I), winter wheat, oats and barley significantly (Fig.. Increase of soil.[r] ...
8
Impact of Soil Health Card on Determinants of Fertilizer Consumption and Fertilizer Use Efficiency in Gujarat, India
... on fertilizer consumption and fertilizer use efficiency in sugarcane and kharif paddy crops in South Gujarat region of Gujarat ...of fertilizer use indicated that annual total income of ...
7
Incentives for Fertilizer Use in Sub-Saharan Africa: A Review of Empirical Evidence on Fertilizer Response and Profitability
... between fertilizer response and soil moisture technologies are not numerous, but some positive links have been ...inorganic fertilizer in the Sudanian region of Burkina Faso, sorghum yields increased by 90 ...
129
Use of organic waste as an alternative organic fertilizer and synthetic fertilizer to ameliorate acid soil productivity
... Acid mineral soils such as Ultisols are soils with low productivity, pH, organic matter, and nutrients. This soil has a pH of 4.6-4.7, 0.90-1.18% organic C, 0.07-0.09% total N, 8.8-9.0 ppm available P and 0.12-0.16 ...
7