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(1990)
Alley farming
(1981)
Poplar utilization trends and prospects. In: Proceedings of the second annual meeting of the poplar council of Canada, pp. 63–77
C. Eno (1960)
Nitrate Production in the Field by Incubating the Soil in Polyethylene BagsSoil Science Society of America Journal, 24
(1974)
Ritmo d’incremento in sostanza secca edi utilizzazione in elementi nutritivi del pioppo in vivaio durante il secondo anno
(1996)
Mulch and shade model for optimum alley - cropping design depending on soil fertility
S. Puri, Virendra Singh, B. Bhushan, S. Singh (1994)
Biomass production and distribution of roots in three stands of Populus deltoidesForest Ecology and Management, 65
(1991)
Intercropping with Populus tomentosa and its beneficial effects
J. Baker, B. Blackmon (1977)
Biomass and Nutrient Accumulation in a Cottonwood Plantation—the First Growing SeasonSoil Science Society of America Journal, 41
(1996)
Black locust (Robinia pseudoacacia L.) Agroforestry systems: effect on soil properties
A. Young (1989)
Agroforestry for Soil Conservation
(1982)
Automated and semi-automated methods for soil and plant analysis
(1996)
Mulch and shade model for optimum alley-cropping design depending on soil fertility. In: Ong CK and Huxley P (eds) Tree–Crop Interactions: A Physiological Approach, pp 51–72
A. Gordon, M. Tallas, K. Cleve (1987)
SOIL INCUBATIONS IN POLYETHYLENE BAGS: EFFECT OF BAG THICKNESS AND TEMPERATURE ON NITROGEN TRANSFORMATIONS AND CO2 PERMEABILITYCanadian Journal of Soil Science, 67
N. Edwards (1982)
The use of soda-lime for measuring respiration rates in terrestrial systemsPedobiologia
N. Thevathasan, A. Gordon (1995)
Moisture and fertility interactions in a potted poplar-barley intercroppingAgroforestry Systems, 29
(1982)
Nitrogen – inorganic forms. In: Page A and Keeney D (eds) Methods of Soil Analysis. Part 2, Chemical and Microbiological Properties (2nd ed), pp 643–698
J. Mccoll (1980)
Seasonal nutrient variation in trembling aspenPlant and Soil, 54
P. Nair (1993)
An introduction to agroforestry.
The effect of hybrid poplar ( Populus spp. clone DN 177) leaf biomass distribution on soil nitrification was investigated in two experiments during the 1993, 1994 and 1995 growing seasons in a poplar-barley ( Hordeum vulgare cv. OAC Kippen) intercropping experiment established at Guelph, Ontario, Canada. In experiment 1, poplar was intercropped with barley during all three years and the poplar leaves shed during the fall season were removed from the soil surface during 1993 and 1994. In experiment 2, poplar was intercropped with barley in 1993 and with corn ( Zea mays cv. Pioneer 3917) in 1994 an 1995, respectively, and the shed poplar leaves were not removed. In experiment 1, the nitrification rates were lower during 1994 and 1995 when the dropped leaves were removed from the field. The total above-ground biomass of barley within 2.5 m of the tree row was 517, 500 and 450 g×m −2 , respectively during the three years, whereas in the middle of the crop row (4–11 m), the corresponding figures were 491, 484 and 464 g×m–2. Mean nitrification rates, N availability and carbon content were higher in soils close to the poplar tree rows (2.5 m) compared to the corresponding values in the middle of the crop alley (4–11 m from the tree row). In experiment 2, where poplar leaves were not removed from the field, nitrification rates in soils within 2.5 m distance from the poplar row were fairly constant (range 100 to 128 μg 100 g −1 dry soil day −1 ) during the three years. Results suggest that soil nitrification rates, soil carbon content and plant N uptake adjacent to the poplar tree rows are influenced by poplar leaf biomass input in the preceding year.
Agroforestry Systems – Springer Journals
Published: Apr 1, 1997
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