legumes and symbiotic N fixers/food security

Question 1

austen et al, 2022- n fixing sym red fert

Answer 1

clover leys meant only used 35Kg N per hectare, compared to 130kg

Question 2

liu et al, 2023

Answer 2

amf inc yield by 26% by inc p nutrition & root growth

Question 3

duchenne et al, 2017- intercropping legume and cereal

Answer 3

Reduce inter-specific competition by enhancing facilitation- inc plant productivity
benefits microbiomes and amf

Question 4

richardson et al, 2011- grain crops

Answer 4

large proportion of p goes into grain not back into soil

Question 5

knight et al, 2011

Answer 5

reduced yield from no rotation and inc pathogen build-up

Question 6

dewar, 2016- pathogen and disease

Answer 6

crop rotation decrease disease and pathogen pressure

Question 7

zani et al, 2020- clover ley

Answer 7

clover leys inc soil quality

Question 8

agomoh et al, 2020 crop rotation

Answer 8

crop rotations inc yield and soil health

Question 9

mortenson & smith, 2020 -barriers to crop rotation

Answer 9

farmers ‘locked in’ to cropping systems as they are simple, not much market for alternative crops

Question 10

wilson et al, 2009- amf

Answer 10

amf improve soil struc

Question 11

garcia et al, 2007- barrier to amf

Answer 11

ploughing red amf

Question 12

holland, 2004- alt tillage benefits

Answer 12

reduce fuel cost and ghg emissions