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References from Annual soil improving legumes: agronomic effectiveness, nutrient uptake, nitrogen fixation and water use. Local targets link to admitted publications; unresolved targets remain external evidence.
Soil improvement by trees in sub-Saharan Africa
10.1023/a:1005948326499 · 1998 · External reference
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Evaluation of manual cadmium reduction methods for determination of nitrate in potassium chloride extracts of soil
10.2136/sssaj1984.03615995004800010013x · 1984 · External reference
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Green manure research in eastern Uganda — a participatory approach
10.1023/a:1006234523163 · 1999 · External reference
Crotalaria (C. ochroleuca G. Don.) as a green manure in maize–bean cropping systems in Uganda
10.1016/s0378-4290(98)00150-6 · 1999 · External reference
Rapid routine soil and plant analysis without automatic equipment. I. Routine soil analysis
10.1080/00128325.1971.11662519 · 1971 · External reference
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Agronomic value of unacidulated and partially acidulated phosphate rocks indigenous to the tropics
10.1016/s0065-2113(08)60281-3 · 1986 · External reference
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Sesbania tree fallows on phosphorus-deficient sites: maize yield and financial benefit
10.2134/agronj1998.00021962009000060001x · 1998 · External reference
Crop rotations for the 21st century
10.1016/s0065-2113(08)60611-2 · 1994 · External reference
Decomposition and nutrient release dynamics of two tropical legume cover crops
10.2134/agronj1996.00021962008800050013x · 1996 · External reference
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A modified single solution method for the determination of phosphate in natural waters
10.1016/s0003-2670(00)88444-5 · 1962 · External reference
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Yield-soil relationships in sorghum–soybean cropping systems with different fertilizer regimes
10.2134/agronj1989.00021962008100030015x · 1989 · External reference
A piston-action ball mill for the rapid determination of plant and soil samples for the automated analysis of nitrogen (15N) and carbon (13C)
10.1080/00103629409369049 · 1994 · External reference
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Nutrient transformations in soils amended with green manures
10.1007/978-1-4612-2930-8_5 · 1992 · External reference
Overview of phosphate deposits in east and southeast Africa
10.1007/bf01048645 · 1991 · External reference
Crotalaria ochroleuca as a green manure crop in Uganda
1994 · External reference
