Conservation agriculture based crop management practices impact diversity and population dynamics of the insect-pests and their natural enemies in agroecosystems

被引:10
作者
Jasrotia, Poonam [1 ]
Kumari, Pritam [1 ,2 ]
Malik, Kapil [2 ,3 ]
Kashyap, Prem Lal [1 ]
Kumar, Sudheer [1 ]
Bhardwaj, Ajay Kumar [3 ]
Singh, Gyanendra Pratap [1 ]
机构
[1] ICAR Indian Inst Wheat & Barley Res, Karnal, Haryana, India
[2] CCS Haryana Agr Univ, Hisar, Haryana, India
[3] ICAR Cent Soil Salin Res Inst, Karnal, Haryana, India
关键词
insect herbivores; conservation agriculture; conventional agriculture; soil tillage; crop residues; soil amendments; crop diversification; IPM; COLORADO POTATO BEETLE; DIAMONDBACK MOTH LEPIDOPTERA; BEMISIA-ARGENTIFOLII HOMOPTERA; EUROPEAN CORN-BORER; NO-TILLAGE; CARABID BEETLES; VEGETATIONAL DIVERSITY; STRAW-MULCH; COLEOPTERA-CHRYSOMELIDAE; SUSTAINABLE AGRICULTURE;
D O I
10.3389/fsufs.2023.1173048
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Human efforts to grow abundant food through the persistent use of resource-intensive farming practices have resulted in declining soil health, and deterioration of ecosystem functions and services. Conservation agriculture (CA) has emerged as a practice to minimize the impacts of conventional resource-exhaustive and energy-intensive agriculture. Minimum soil disturbance, permanent soil cover, and diversification are the key components of CA. Tillage through conventional practices on the other hand has detrimental effects on the soil and environment as it requires deep inversion of soil with instruments such as mouldboard plow, disc plow etc. leaving very less organic matter in soil after establishment of crop. Even though, CA advocates many benefits over conventional agriculture in terms of soil and water conservation, the consequent changes in moisture and temperature regimes due to reduced tillage and surface cover would likely going to influence the biological activity, including insect pests and their natural enemies which dwell within these agroecosystems. The changed crop conditions under CA may favor particular insect communities and their ecological niches. The adoption of such practices may lead to decrease in insect pests with major activity on the crop canopy. However, the activity of the insect pests that spend their maximum life span at the soil surface or beneath the soil surface may increase. Recent insect-pest outbreaks in North-Western India and imbalances reported in Indo-Gangetic Plains point to the need for a better understanding of the inter-relationships between tillage intensity, residue retention, and insect pest population dynamics. The current review analyzes the existing state of knowledge of these dynamics and presents the scenarios that may emerge as CA get more acceptance. This review will help to develop countermeasures to improve performance and ecosystem services of Conservation agriculture (CA) based cropping systems.
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页数:16
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