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Smart Reasoning:

C&E

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Qaagi - Book of Why

Causes

Effects

poor drainage or soil compaction(passive) caused bypoor soil aeration

Saturated soilcan causepoor soil aeration

poor soil drainage and heavy rainfallcan causepoor soil aeration

Development of plant diseasesleadInsufficient aeration of the soil

sealing of the soil surface(passive) caused bypoor soil aeration

The exceptionally wet conditions recorded in central Europe from May to the first half of Junecontributedto poor soil aeration

over‐irrigation of containerized plants(passive) caused bysuboptimal soil aeration

The deposit of sediments during flood conditionsalso contributesto poor soil aeration

soil structure , texture , organic matter , and moisture content ) and high soil nitrate concentrations ( influenced mainly by nitrification and nitrogen fertilization(passive) influenced bylow soil aeration

poor soil structure(passive) caused byPoor soil aeration

foundation settlementcan ... causefoundation settlement

in settlement and foundation damagecan resultin settlement and foundation damage

in increased erosion hazard and poorer plant productivityresultingin increased erosion hazard and poorer plant productivity

soilborne diseasesmay causesoilborne diseases

The degradation(passive) is caused byThe degradation

from excess wateringresultingfrom excess watering

to root loss and physiological problems , such as blossom - end rotleadsto root loss and physiological problems , such as blossom - end rot

the foundation to settle unevenlycan causethe foundation to settle unevenly

alsoleadsalso

to root and blossomcan leadto root and blossom

from excess soil waterresultingfrom excess soil water

from fine - textured rootzones , compaction , excessive wetnessresultingfrom fine - textured rootzones , compaction , excessive wetness

my garage slab(passive) caused bymy garage slab

in poor rooting and even rotting of those roots sent down more deeply during the summer growing seasonwill resultin poor rooting and even rotting of those roots sent down more deeply during the summer growing season

foundation crackscausesfoundation cracks

Souring : tissue breakdown(passive) caused bySouring : tissue breakdown

structures to sinkcausesstructures to sink

the resistance of the root to the passage of water to increasecausesthe resistance of the root to the passage of water to increase

to formation of toxic materials in the soilmay leadto formation of toxic materials in the soil

to the development of diseasesalso leadsto the development of diseases

Drain Fields to Not Filter Effluent Efficiently Poor soil percolationCausesDrain Fields to Not Filter Effluent Efficiently Poor soil percolation

in the death and decay of a large proportion of the existing root systemcan resultin the death and decay of a large proportion of the existing root system

to iron deficiency ... Heavy and compacted soilsleadto iron deficiency ... Heavy and compacted soils

oxygen deficiency for the tree , the most important environmental factorcreatingoxygen deficiency for the tree , the most important environmental factor

water to soak the soil during rainy or when the snow thawscausingwater to soak the soil during rainy or when the snow thaws

usuallywill ... createusually

subsidence - land slides(passive) caused bysubsidence - land slides

to sand venting through the cracks in the surface of the pierledto sand venting through the cracks in the surface of the pier

Settling concrete(passive) is mainly caused bySettling concrete

Root rots causing brown roots ;(passive) caused byRoot rots causing brown roots ;

to foundation issuescontributingto foundation issues

to many negative effects in the soilleadingto many negative effects in the soil

to poor plant growth and performanceleadsto poor plant growth and performance

the rhizobia bacteria on the roots of the soybean to drowncausesthe rhizobia bacteria on the roots of the soybean to drown

Chronic iron deficiency in lady palms(passive) caused byChronic iron deficiency in lady palms

the forms of Fe and N(passive) are influenced bythe forms of Fe and N

to the soil shifting aroundcan leadto the soil shifting around

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Smart Reasoning:

C&E

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