No-till farming after various grasses and leguminous cover crops in tropical alfisol. I. Crop performance

Lal, Rattan; Wilson, G. F.; Okigbo, B. N.

doi:10.1016/0378-4290(78)90008-4

Cited by 67 publications

(24 citation statements)

References 8 publications

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“…Many benefits of living mulches are associated with the gradual, long-term improvement of the soil chemical and physical properties (Kleinhenz et al, 1997;Lal et al, 1978). Thus, studies must take place over a longer period of time to help us better understand the dynamics of living mulch systems.…”

Section: Discussionmentioning

confidence: 99%

The Use of Living Mulches for Weed Management in Hot Pepper and Okra

Biazzo

Masiunas

2000

Journal of Sustainable Agriculture

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The study evaluated white clover (Trifolium rapens), red clover (T. pratencis), perennial ryegrass (Lolium pratense) and canola (Brassica napus) as living mulches for weed management in hot pepper (Capsicum annum) and okra (Abelmoschus esculentus). Perennial ryegrass and white clover provided the best weed control. Weed control was similar when living mulches were newly planted in the spring (NP) or in the previous year and overwintered (OW). In the NP treatment, weeds were suppressed similarly both in the tilled crop rows and within the mulch. Yields of okra and hot pepper were greatest in the conventional tillage (CT). Mowing of living mulches improved hot pepper yields in red clover but not okra yields.

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Section: Discussionmentioning

confidence: 99%

The Use of Living Mulches for Weed Management in Hot Pepper and Okra

Biazzo

Masiunas

2000

Journal of Sustainable Agriculture

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“…Rather than by herbicides, cover crops can be suppressed by roller crimper (Kornecki et al 2009). Cover crops also impact soil chemical properties (Calegari and Alexander 1998;Lal et al 1978) and affect N mineralization and availability (Schomberg and Endale 2004).…”

Section: System Approachmentioning

confidence: 99%

A system approach to conservation agriculture

Lal¹

2015

Journal of Soil and Water Conservation

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127

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“…Kang et al 1981Wilson et al 1982;Tonye et al 1994;Sanginga et al 1995;Aihou et al 1999;Kang and Shannon 2001), and cover crop fallow (e.g. Lal et al 1978;Akobundu 1980;Mulongoy 1986;Tarawali 1991;Carsky et al 1998;Tian et al 1999). Alley cropping is an agroforestry/ fallow system in which arable crops are grown between rows of trees, preferably nitrogen fixing trees.…”

Section: Introductionmentioning

confidence: 99%

Long-term effects of fallow systems and lengths on crop production and soil fertility maintenance in West Africa

Tian

Kang

Kolawole

et al. 2005

Nutr Cycl Agroecosyst

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In the development of short fallow systems as alternatives to shifting cultivation in West Africa, a long-term trial was established at the International Institute of Tropical Agriculture (IITA) on an Alfisol in the forestsavanna transitional zone of southwestern Nigeria, comparing three fallow systems; natural regrowth fallow, cover crop fallow and alley cropping on soil productivity and crop yield sustainability. The natural fallow system consisted of natural regrowth of mainly Chromolaena odorata shrub as fallow vegetation. The cover crop fallow system consisted of Pueraria phaseoloides, a herbaceous legume as fallow vegetation. The alley cropping system consisted of woody hedgerows of Leucaena leucocephala as fallow vegetation. The fallow lengths were 0 (continuous cropping), 1, 2 and 3 years after 1 year of maize/cassava intercropping. Biomass produced from natural fallow and cover crop fallow was burnt during the land preparation. Fertilizer was not applied throughout the study. Without fertilizer application, maize yield declined from above 3.0 t ha À1 to below 0.5 t ha À1 during 12 years of cultivation (1989-2000) on a land cleared from a 23-year old secondary forest. Temporal change in cassava tuber yield was erratic. Mean maize grain yields from 1993-2000 except for 1999 were higher in cover crop fallow system (1.89 t ha À1 ) than in natural fallow system (1.73 t ha À1 ), while natural fallow system outperformed alley cropping system (1.46 t ha À1 ). During the above 7 years, mean cassava tuber yield in cover crop system (7.7 t ha À1 ) did not differ from natural fallow system (8.2 t ha À1 ), and both systems showed higher cassava tuber than the alley cropping system (5.7 t ha À1 ). The positive effect of fallowing on crop yields was observed for both crops in the three systems, however, insignificant effects were seen when fallow length exceeded 1 year for cover crop and alley cropping, and 2 years for natural fallow. Soil pH, organic carbon, available P and exchangeable Ca, Mg and K decreased considerably after 12 years of cultivation, even in a 3-year fallow subplot. After 12 years, soil organic carbon (SOC) within 0-5 cm depth in alley cropping (13.9 g kg À1 ) and natural fallow (13.7 g kg À1 ) was higher than in cover crop fallow (11.6 g kg À1 ). Whereas significant increase in SOC with either natural fallow or alley cropping was observed only after 2 or 3 years of fallow, the SOC in the 1-year fallow alley cropping subplot was higher than that in continuous cropping natural fallow subplot. It can be concluded from our study that in transforming shifting cultivation to a permanent cropping, fallow with natural

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No-till farming after various grasses and leguminous cover crops in tropical alfisol. I. Crop performance

Cited by 67 publications

References 8 publications

The Use of Living Mulches for Weed Management in Hot Pepper and Okra

The Use of Living Mulches for Weed Management in Hot Pepper and Okra

A system approach to conservation agriculture

Long-term effects of fallow systems and lengths on crop production and soil fertility maintenance in West Africa

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