NPK contain in FYM is
Solid portion in the sewage called
Sheep and goat are allowed to stay over night in the field and urine and feacal matter is added to soil called
Stem nodulation crops
Concentrated organic manure
Example of amendments
Complex fertilizer are
Filler material to fertilizer processing
Most hygroscopic fertilizer are
Acidity equivalent of urea
Basicity of KNO3
Sulphur contain in ammonium sulphate
Critical limit of biuret is
Nitrogen contain in aq ammonia
Citrate soluble phosphatic fertilizer …
K contain in potassium nitrate
Boron contain in borax
Chelate elements
Nitrification inhibitor
SRNF are
Soil Inoculate bioferlizers
Rhizobium spp for groundnut
Non – legumes symbiotic biofertlizer
Anabaena azollae is symbiotic with
High range of boron contain in soil
Organic carbon in Indian soil
Crop logging concept is given by
Soil fertility is
Teast is
Criteria of essentiality given by
Chlorin are discovered by
Avalible form of boron to plant
Immobile in plant
Ultra micronutrient are
Element essential for root growth are
Element regulate osmo-regulation and stomatal movement
Constituent of middle lamella are
Central element of chlorophyll …
Essential for pollen germination ..
Component of ferredoxin ….
Elements Synthesis for IAA ….
Components of nitrogenase
Structure component of vit B12
Essential element forurease activity
Tip burn , margin scorchring due to
Whiptail of cauliflower is due to
Grey speck of oats
White bud of maize
Toxicity of phosphor cause deficiency of
Top sickness of tobacco
Saline soil have
Recamination of saline soil is
Black soil is
First Stage involve formation of sodic soil
Reclamation of sodic soil by application of
Saline – Alkali soil is
USAR soil highest in
High salt tolarant crops
Very strong acidity pH is
Acid soil classification criteria are
Acid soil more dominate in
Acid soil formation involve
Acids soil dominate in
Nutrient available at netural pH
Acid soil reclamation done through