How is plant nutrition being affected since the widespread use of highly soluble synthetic fertilizers to more complex, organic soil amendments, that are typically applied on organic farms?
Dr Kulvir Singh , let us share the secrets of success of paddy- wheat cropping sequence on alluvial soils of Indo-gengetic plains. And the role of chemical fertlizers in addressing multiple nutrient constraints. Why cant we main the good soil ecology with chemical fertiliers , especially when we advocate to use biofertilizers alongside synthetic fertilizers....
..
Use of synthetic chemical fertilizers offers one of the quickest way of addressing multiple soil fertility constraints , parallel to use of allopathic medicines amidst homeopaths and ayurvedic medicines. As long as , our method of diagnosing the multiple soil fertility constraints remains ful proof and practices balanced fertilization , synthetic fertilizers will continue to assume centres stage in modern day commercial and intensive agriculture , contrary to growing concerns about over- use of such fertilizers amidst many of regenerative forms of agriculture like organic agriculture , biodynamic farming , natural farming, conservation agriculture using such fertilizers on a limited scale etc....After all , where all these synthetic fertilizers are going , they surely dont have alternative uses..except agriculture..
Synthetic fertilizers can seriously deplete the nutritional content of foods. Direct contact or exposure to synthetic chemical fertilizers can kill babies or cause health problems for many people. Remember this the next time you pick up a bag at Walmart. Also, if you have any type of urinary or kidney or liver or allergy or health difficulties, you should especially avoid any type of exposure. The adverse effects of synthetic chemical fertilizers are often underplayed and ignored despite their damage being far-reaching. Synthetic fertilizers can cause a vast array of symptoms, some immediate, some signs showing up later, some effects on people and animals are direct, and some effects are indirect.
Can any one us provide any crop -based data , how much area is covered under use of synthetic fertilizers as against organic fertilizers...either globally or on countrywide basis..
Synthetic fertilizers supply substantial amount of nutrients and can cause problems of insect pest and disease attacks.
For instance high amounts of fertilizer-N makes the crop succulent and attractive to pests especially the sucking pests. The crop also becomes prone to disease infestation.
DEFINITELY SOIL FLORA AND FAUNA IS HAVING LEAST DIVERSITY IN FIELD APPLIED WITH CHEMICAL FERTILISERS AS COMPARED TO VIRGIN OR FOREST LANDS WHERE NO SUCH APPLICATION HAS BEEN GIVEN.
LOS FERTILIZANTES QUIMICOS SINTETICOS APORTAN A LAS PLANTAS LOS NUTRIENTES QUE NECESITAN PARA PRODUCIR ALIMENTOS O FIBRAS. SI SE MANEJAN BIEN NO CAUSAN NINGUN DAÑO AL SUELO, A LAS PLANTAS O A LOS ANIMALES. SIN FERTILIZANTES QUIMICOS EL MUNDO SE MORIRIA DE HAMBRE. EL ABONO ORGANICO APORTA PEQUEÑAS CANTIDADES DE NUTRIENTES Y NO EXISTE EN GRANDES CANTIDADES EN EL MUNDO.
Dr Kulvir Singh , let us share the secrets of success of paddy- wheat cropping sequence on alluvial soils of Indo-gengetic plains. And the role of chemical fertlizers in addressing multiple nutrient constraints. Why cant we main the good soil ecology with chemical fertiliers , especially when we advocate to use biofertilizers alongside synthetic fertilizers....
..
Important question There are changes in the nature, shape and taste of this fruit all due to chemical fertilizers
I agree with Dr Srivastava but for doing so we need to curb indiscriminate use of various pesticides , most of which are lethal to microflora as well.
Dr. Kulvir: In rice-wheat system the load of pesticide used is low. I would agree with the cotton-wheat system. With the use of synthetic fertilizers due to ready availability of the nutrients, biological activity gets depressed. This is well known for the N fixers. That is why they recommend only a small quantity of starter N for the legumes. Lest, the N fixation comes down.
We can maintain a good soil ecology by integration. How we do it on a replicated basis and large scale is the issue.
Plants respond vigorously to synthetic, chemical fertilizers however, their regular use on farmland reduces the diversity of biota and increase salinity. Organic agriculture proved to succeed in an approach to soil fertility that aims at "feeding" the soil bacteria through the use of compost, manure and more agronomic practices (e.g.: crop rotations, cover crops, green manuring, alley cropping), that aim at increasing the concentration of SOM in the soil. Organic methods to crop cultivation remain most advisable for achieving a sustainable production of food.
Well Dr Blaise
I partially agree with your statement.
For wheat crop you are absolutely right but for rice, there is huge pesticides usage specifically in Northern India.
I hardly find any field without application of systemic granules in paddy and that too as a prophylactic measure with no pest incidence.However for wheat it is agreed.
- Badges
- Science topic
- Similar topics
- Chemistry, Organic
- Organic