Influence of tillage type on vertical weed seedbank distribution in a sandy soil

Swanton, Clarence J.; Shrestha, Anil; Knežević, Stevan Z.; Roy, R. C.; Ball-Coelho, B.

doi:10.4141/p99-020

Cited by 94 publications

(79 citation statements)

References 10 publications

(4 reference statements)

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“…Cardina et al (1991) showed that the distribution patterns after various tillage operations for two silt loam soils were nearly identical but differed from those within a silty clay loam soil. In addition, Swanton et al (2000) observed that tillage distribution is different in sandy soil versus finer texture soils. Whether these differences were due to soil type or other management factors (e.g., autumn tillage for silt loam versus spring tillage for silty clay loam or soil water content differences) remain unknown.…”

Section: Discussionmentioning

confidence: 94%

SeedChaser: Vertical soil tillage distribution model

Spokas

Forcella

Archer

et al. 2007

Computers and Electronics in Agriculture

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Knowledge of the vertical distribution of surface residues, chemicals, or seeds following tillage operations is of great importance to a wide variety of soil research areas. This paper describes a 1D empirical vertical soil tillage distribution model with 1 cm grid spacing (SeedChaser) that predicts vertical redistribution of weed seeds following user selected (a) sequences of tillage implements, and (b) initial seed distribution values. Results of this model are particularly suited for weed seed emergence modeling. However, the model can be adapted easily to any surface broadcasted agrochemical or incorporated residues. The present model can handle up to 20 passes of user selected sequences of 16 different implements. The majority of prior models examined only the impact of a more limited list of implements at much larger depth intervals, which reduced the predictability of fine-scale vertical movement that may be needed for simulating movements of seeds or chemical granules. SeedChaser consolidates the results from these previous models along with new data on conservation tillage implements into a prediction tool that would have applications both in weed science, as well as other soil research areas. SeedChaser was developed in JAVA and is publicly available via the Internet.

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Section: Discussionmentioning

confidence: 94%

SeedChaser: Vertical soil tillage distribution model

Spokas

Forcella

Archer

et al. 2007

Computers and Electronics in Agriculture

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“…However, there was no significant differences in the soil seed bank between the upper and deeper soil layers in the farmland (with severe disturbance) due to its frequent and deep ploughing [43], which indicated that the severe disturbance totally changed the vertical distribution of the soil seed bank besides its composition.…”

Section: Effects Of Disturbance On Soil Seed Bank and Vegetationmentioning

confidence: 99%

Responses of Soil Seed Bank and Vegetation to the Increasing Intensity of Human Disturbance in a Semi-Arid Region of Northern China

Xiao

Wang

et al. 2017

Sustainability

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Abstract:To provide more insights into the responses of the soil seed bank and vegetation to human disturbance intensity, we selected four land use types, including: native grassland (no human disturbance), abandoned artificial grassland (light human disturbance), artificial grassland (moderate human disturbance), and farmland (severe human disturbance) in a semi-arid climate of northern China. The species composition and density of the soil seed bank were measured, as well as the species composition and amount of vegetation. The native grassland had a significantly higher soil seed density and species richness than the other land use types. Moreover, the common species both in the soil seed bank and vegetation between the native grassland and other land use types gradually decreased as disturbance intensity increased. The abandoned artificial grassland and artificial grassland still had abundant soil seed banks according to their seed density (≥28.2% of the native grassland) and species richness (≥70.0% of the native grassland) to restore the vegetation. Conversely, it was hard to restore the vegetation on the farmland due to its low soil seed density (10.0% of the native grassland) and species richness (40.0% of the native grassland). In conclusion, human disturbance would generate significant negative effects on the soil seed bank in desertified regions in a semi-arid climate; however, the soil seed bank in land use types with light/moderate disturbance are more adapted to vegetation restoration compared with land use types with severe disturbance in a semi-arid region.

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“…In conventional puddled transplanting systems, existing weeds are controlled by burying weed seeds into the saturated and submerged soil that results in less early emergence of weeds [10,11]. By contrast, to achieve a similar low weed competition at crop establishment, preplanting non-selective herbicides must be used to kill the existing weeds on the non-puddled field and subsequently pre-emergence herbicide also need to apply because of remaining viable weed seeds on the surface of the non-puddled soil still after pre-plant herbicide application [12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Efficacy of Herbicides in Non-Puddled Transplanted Rice Under Conservation Agriculture Systems and Their Effect on Establishment of the Succeeding Crops

Zahan¹,

Hashem²,

Rahman³

et al. 2018

Acta sci. Malays.

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Transplanting of rice seedlings in non-puddled soil under conservation agriculture systems is a new promising technology for which effective and economic weed control strategies have to develop. Therefore, a study was conducted in wet season rice during 2013 and 2014 with some commonly used pre-and post-emergence rice herbicides (pyrazosulfuron-ethyl, butachlor, orthosulfamuron, acetochlor + bensulfuron methyl, butachlor + propanil and 2,4-D amine) in strip tilled non-puddled field condition at Mymensingh, Bangladesh to evaluate their weed control efficacy singly or in sequences, their cost-effectiveness and residual effect on the succeeding crops like wheat and lentil. Sole application of herbicide was less effective to control all types of weed species than sequentially applied herbicides. Sequential application of pre-and late post-emergence, early post-and late post-emergence or pre-, early and late post-emergence herbicides controlled weeds by 46-98% and 43-95%, respectively in terms of weed density and biomass. Sequential application of pyrazosulfuron-ethyl followed by orthosulfamuron and butachlor + propanil provided the most effective and economic weed control under this new rice establishment practice. Moreover, the study suggested a range of effective herbicides for strip-tilled non-puddled wet season rice, but possible rotation of those herbicides in a sequential application is needed. Additionally, residue of those herbicides did not show any adverse effect on the succeeding crops of rice like wheat and lentil. However, further research is needed with various new molecules of herbicide and their residual effect on the subsequent crop as well as soil environment.

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Influence of tillage type on vertical weed seedbank distribution in a sandy soil

Cited by 94 publications

References 10 publications

SeedChaser: Vertical soil tillage distribution model

SeedChaser: Vertical soil tillage distribution model

Responses of Soil Seed Bank and Vegetation to the Increasing Intensity of Human Disturbance in a Semi-Arid Region of Northern China

Efficacy of Herbicides in Non-Puddled Transplanted Rice Under Conservation Agriculture Systems and Their Effect on Establishment of the Succeeding Crops

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