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1). the main health issue is E Coli. In recent years there have been many vegetables sold to the public which have caused the outbreaks E Coli. Most of the public outbreaks have occurred in lettuce and tomatoes. All backyard gardeners should especially beware of placing manure on carrots, beets, turnips, and potatoes.
2). Manures will burn the roots of growing plants, especially chicken manure. Chicken manure is high in ammonia. Ammonia will burn the roots. It will also burn the leaves and the stems if allowed to touch.
3). Nitrogen is very slow to release in manures. Nitrogen is usually not available until after the first year it hits the soil. At that time only 50% is released the first year, 25% the second year, and 25% the third year.
4). Manures are very high potential for weed seeds. Weeds can be a major problem when applying horse or cow manure.
5). Salt build-up in the soil over the long run. The results can be drought like conditions and root damage. Plants/trees will be subject to diseases and insect problems. This will result in smaller crops and sometimes death of your plants/trees.
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Why fertilizers are more efficient than manures?
because fertilizers are rich in nutrients
What has the author K S Yawalkar written?
K. S. Yawalkar has written: 'Manures and fertilizers' -- subject(s): Fertilizers, Manures 'Vegetable crops of India' -- subject(s): Vegetables
Why are manures and fertilizers added to the soil by farmers?
To increase the fertility of the soil .
Why should manures and fertilizers be added to the soil?
manures and fertilizers should be added to the soil so that the fertility could be maintained.it is also used to give the soil nutrition which is present in less amount and to maintain the health of the crop
Why are fertilizers better than manures?
Controlled contents and releases are reasons why fertilizers can be better than manures. Fertilizers have to comply with application, labeling and proportion requirements. Plant and soil enrichment programs offer pathogen-, pest-, weed-free, slow-release applications that will not be guaranteed by manure (that is not composted).
What has the author G J W Krajenbrink written?
G. J. W. Krajenbrink has written: 'Bemesting en grondwaterkwaliteit' -- subject(s): Environmental aspects of Fertilizers, Environmental aspects of Manures, Fertilizers, Groundwater, Manures, Quality
Why do we add fertilizers and manures to the soil?
We add them - to increase the minerals and nutrients for the plants to grow in.
What is the effect of fertilizers and manures used in plants?
the plants grows well and it will not last long after the yield
What has the author H V Garner written?
H. V. Garner has written: 'Manures and fertilizers'
What has the author S Hoare Collins written?
S. Hoare Collins has written: 'Plant products and chemical fertilizers' -- subject(s): Fertilizers and manures, Agricultural chemistry
What has the author David Charles Whitehead written?
David Charles Whitehead has written: 'The role of nitrogen in grassland productivity' -- subject(s): Fertilizers and manures, Grasses, Nitrogen fertilizers
Names fertilisers and manures used for plants?
Fertilizers and manures used on plants include Bone meal, Compost, Rock phosphate, Alfalfa meal, Feather meal, Liquid kelp, and many others.
