cover crop
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2022 ◽  
Vol 172 ◽  
pp. 104349
Author(s):  
Resham Thapa ◽  
Katherine L. Tully ◽  
Nora Hamovit ◽  
Stephanie A. Yarwood ◽  
Harry H. Schomberg ◽  
...  

2022 ◽  
Vol 326 ◽  
pp. 107823
Author(s):  
Resham Thapa ◽  
Katherine L. Tully ◽  
Chris Reberg-Horton ◽  
Miguel Cabrera ◽  
Brian W. Davis ◽  
...  

2022 ◽  
Vol 261 ◽  
pp. 107348
Author(s):  
Joshua Gaimaro ◽  
Dennis Timlin ◽  
Katherine Tully

2022 ◽  
Vol 326 ◽  
pp. 107783
Author(s):  
Coralie Triquet ◽  
Anthony Roume ◽  
Vincent Tolon ◽  
Alexander Wezel ◽  
Aurélie Ferrer

2022 ◽  
Vol 328 ◽  
pp. 107852
Author(s):  
Logan M. Simon ◽  
Augustine K. Obour ◽  
Johnathon D. Holman ◽  
Kraig L. Roozeboom

2022 ◽  
Vol 325 ◽  
pp. 107750
Author(s):  
Jared Lapierre ◽  
Pedro Vitor Ferrari Machado ◽  
Zachary Debruyn ◽  
Shannon E. Brown ◽  
Sean Jordan ◽  
...  

2022 ◽  
Vol 260 ◽  
pp. 107275
Author(s):  
Wooiklee S. Paye ◽  
Rajan Ghimire ◽  
Pramod Acharya ◽  
Abdelaziz Nilahyane ◽  
Abdel O. Mesbah ◽  
...  

HortScience ◽  
2022 ◽  
Vol 57 (2) ◽  
pp. 171-180
Author(s):  
Elizabeth A. Perkus ◽  
Julie M. Grossman ◽  
Anne Pfeiffer ◽  
Mary A. Rogers ◽  
Carl J. Rosen

High tunnels are an important season extension tool for horticultural production in cold climates, however maintaining soil health in these intensively managed spaces is challenging. Cover crops are an attractive management tool to address issues such as decreased organic matter, degraded soil structure, increased salinity, and high nitrogen needs. We explored the effect of winter cover crops on soil nutrients, soil health and bell pepper (Capsicum annuum) crop yield in high tunnels for 2 years in three locations across Minnesota. Cover crop treatments included red clover (Trifolium pratense) monoculture, Austrian winter pea/winter rye biculture (Pisum sativum/Secale cereale), hairy vetch/winter rye/tillage radish (Vicia villosa/S. cereale/Raphanus sativus) polyculture, and a bare-ground, weeded control. Cover crop treatments were seeded in two planting date treatments: early planted treatments were seeded into a standing bell pepper crop in late Aug/early September and late planted treatments were seeded after bell peppers were removed in mid-September At termination time in early May, all cover crops had successfully overwintered and produced biomass in three Minnesota locations except for Austrian winter pea at the coldest location, zone 3b. Data collected include cover crop and weed biomass, biomass carbon and nitrogen, extractable soil nitrogen, potentially mineralizable nitrogen, microbial biomass carbon, permanganate oxidizable carbon, soil pH, soluble salts (EC), and pepper yield. Despite poor legume performance, increases in extractable soil nitrogen and potentially mineralizable nitrogen in the weeks following cover crop residue incorporation were observed. Biomass nitrogen contributions averaged 100 kg·ha−1 N with an observed high of 365 kg·ha−1 N. Cover crops also reduced extractable soil N in a spring sampling relative to the bare ground control, suggesting provision of nitrogen retention ecosystem services.


Author(s):  
Adam Nunn ◽  
Isaac Rodríguez‐Arévalo ◽  
Zenith Tandukar ◽  
Katherine Frels ◽  
Adrián Contreras‐Garrido ◽  
...  

Agriculture ◽  
2022 ◽  
Vol 12 (1) ◽  
pp. 66
Author(s):  
Ted S. Kornecki ◽  
Corey M. Kichler

In a no-till system, there are many different methods available for terminating cover crops. Mechanical termination, utilizing rolling and crimping technology, is one method that injures the plant without cutting the stems. Another popular and commercially available method is mowing, but this can cause problems with cover crop re-growth and loose residue interfering with the planter during cash crop planting. A field experiment was conducted over three growing seasons in northern Alabama to determine the effects of different cover crops and termination methods on cantaloupe yield in a no-till system. Crimson clover, cereal rye, and hairy vetch cover crops were terminated using two different roller-crimpers, including a two-stage roller-crimper for four-wheel tractors and a powered roller-crimper for a two-wheel walk-behind tractor. Cover crop termination rates were evaluated one, two, and three weeks after termination. Three weeks after rolling, a higher termination rate was found for flail mowing (92%) compared to lower termination rates for a two-stage roller (86%) and powered roller-crimper (85%), while the control termination rate was only 49%. There were no significant differences in cantaloupe yield among the rolling treatments, which averaged 38,666 kg ha−1. However, yields were higher for cereal rye and hairy vetch cover crops (41,785 kg ha−1 and 42,000 kg ha−1) compared to crimson clover (32,213 kg ha−1).


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