Classifications

• • C—CHEMISTRY; METALLURGY
  • C05—FERTILISERS; MANUFACTURE THEREOF
  • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
  • C05D9/00—Other inorganic fertilisers
• • C—CHEMISTRY; METALLURGY
  • C05—FERTILISERS; MANUFACTURE THEREOF
  • C05C—NITROGENOUS FERTILISERS
  • C05C9/00—Fertilisers containing urea or urea compounds
  • C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
• • C—CHEMISTRY; METALLURGY
  • C05—FERTILISERS; MANUFACTURE THEREOF
  • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
  • C05D9/00—Other inorganic fertilisers
  • C05D9/02—Other inorganic fertilisers containing trace elements
• • C—CHEMISTRY; METALLURGY
  • C05—FERTILISERS; MANUFACTURE THEREOF
  • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
  • C05F11/00—Other organic fertilisers
  • C05F11/10—Fertilisers containing plant vitamins or hormones
• • C—CHEMISTRY; METALLURGY
  • C05—FERTILISERS; MANUFACTURE THEREOF
  • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
  • C05G5/00—Fertilisers characterised by their form
  • C05G5/30—Layered or coated, e.g. dust-preventing coatings
• • C—CHEMISTRY; METALLURGY
  • C05—FERTILISERS; MANUFACTURE THEREOF
  • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
  • C05G5/00—Fertilisers characterised by their form
  • C05G5/30—Layered or coated, e.g. dust-preventing coatings
  • C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
• • C—CHEMISTRY; METALLURGY
  • C05—FERTILISERS; MANUFACTURE THEREOF
  • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
  • C05G5/00—Fertilisers characterised by their form
  • C05G5/40—Fertilisers incorporated into a matrix

Definitions

• This invention in general relates to the field of agricultural sciences.
• this invention pertains to seed coating composition.
• This invention also relates to a method of manufacturing precision, customized, control release fertilizers having applications in the field of agriculture.
• Controlled release fertilizers are coated or encapsulated fertilizers and slow, release fertilizers have a chemically reduced or low solubility, the latter being mainly derivatives of urea.
• An ideal synchronized fertilizer would release its nutrients according to the plant growth curve.
• the objective of the present invention is to invent seed coating composition of providing an accurately controlled quantity of nutrient and to develop precision fertilization customized technology with better specifications for individual crops and environments with a holistic approach to agricultural management for better economics.
• the primary object of this invention is to provide seed coat composition for precision customized control release fertilizers production using single layer or multilayer technology.
• Another objective of this invention is to provide seed coat composition and a method of producing crop specific novel precision customized control release fertilizers to coat seeds or to treat the roots of seedlings at the time of sowing or for soil application or for foliar application.
• Still another object of the invention is to provide necessary method for production of materials needed for accurate application of fertilizers.
• Table 1 shows the preparation of saturated urea solutions.
• Table 2 shows the preparation of MSM solution.
• Table 3 shows the examples of seed coat composition in accordance with present invention.
• Table 4 shows the examples of seed coat composition with pesticide in accordance with present invention.
• the seed coat material comprising macronutrients (NPK), micronutrients, hormones, organic acids, lower molecular organic acids was formulated by using structurally modified agro polymer, urea resins ( formaldehyde, furfuraldehyde and Iso- butyraldehyde) along with mixing selected resins of Functional transition metal silicate immobilized on modified agro polymer structure.
• NPK macronutrients
• urea resins formaldehyde, furfuraldehyde and Iso- butyraldehyde
• the materials comprising - modified structured urea resins composition were selected after screening of various ratios of urea, aldehyde [1 : 1 to .01 : 1 v/v] and tested for sustained nutrient release pattern along with seed priming ability.
• An optimum desired composition for making nitrogenous supply in a sustained pattern was selected and used in the formulation of seed coat composition.
• the seed coat materials along with insecticide, microbicides are formulated along with hormones. When tested the product shows enhanced priming, growth and vigor of seed.
• main aspect of the present invention is to prepare a seed coating composition
• a seed coating composition comprising agro-polymer with nitrogen containing fertilizers and / or urea aldehydes, and /or macro and micronutrients, and /or with hormone solution and / or with MSM solution and/or phosphates and/or functional transition metal silicates (FTMS) and / or solution mixture of poly vinyl alcohol (BIJAM+) and/or low molecular weight organic acids and /or potassium nitrate in a predetermined proportions, wherein seed optionally coated with pesticide mixture, the said composition comprising agro-polymer, organic acid and BIJAM+ is in the ratio of 1.0:0.01 :0.01 to 1 :3:5.
• the nitrogen containing fertilizers are amide based fertilizers.
• the nitrogen containing fertilizers are urea or derivatives of urea.
• the aldehydes are selected from the group comprising formaldehyde (FA), isobutraladehyde (IBA), furfuraladehyde (FFA) or any combination thereof.
• the ratio of agro polymer, amide and aldehyde varies from 1 : 0.3: 0.3 to 1 : 30: 30 w/w/v.
• the solution mixture of poly vinyl alcohol comprising of polyvinyl alcohol, water, carboxy methylcellulose powder, paraffin oil, glycerol, and sodium alginate.
• the BIJAM+ is in the range 0.05 to 3 ml per gram of agro polymer.
• the BIJAM+ is preferably in the range 1.5 to 2 ml per gram of agro polymer.
• the hormone solution comprising Gibberllic acid or Indole acetic acid or any combination thereof.
• the hormone solution is in the range 50 to 1000 ⁇ per gram of agro polymer, more preferably in the range 100 to 900 ⁇ per gram of agro polymer.
• the seed coating composition as claimed in claim 1 wherein the MSM solution is in the range 0.05 to 6 ml per gram of agro polymer, more preferably in the range 0.15 to 4 ml per gram of agro polymer.
• the FTMS or immobilized FTMS is in the range of 30 to 400 mg per gram of agro polymer, more preferably in the range of 50 to 300 mg per gram of agro polymer.
• the low molecular weight organic molecules are fulvic acid and is preferably in the range of 50 to 300 mg per gram of agro polymer.
• the phosphates are selected from the group comprising ortho-phosphates or poly phosphates or potassium phosphates or any combination thereof and / or chelation with citric acid ranging from 0.001 to 0.3 gram per gram seed coat composition.
• the micronutrients are salts of Zn, Cu, Mn, Mg, Fe, Boron, molybdenum or combination thereof, wherein, zinc, copper, manganese, molybdenum iron salts at ratios of 5-20; 1-5; 0.01-1; 0.05-3 : 0.1-3 combined (25 ml to 50 ml) and added to potassium silicate 10 to 30 grams, (with or without agro polymer of 5-50 grams) to obtain varied combinations suitable for various crop seed coats.
• the macro nutrients are nitrogen, phosphorous and potassium, or combination thereof.
• Yet another aspect of the invention further comprising vitamins such as ascorbic acid in the range 0.01 -0.3 grams per grams of agro polymer.
• Step-1 100 g of Rice husk was washed with water, added 400 ml of 25% hydrochloric acid and kept for soaking for 2 hours. It was washed with water to get neutral pH.
• Step-2 Added 30 g NaOH and 400 ml water soaked for 2 hours and washed with water to get neutral pH.
• Step-3 Added 300 ml of H 2 0 2 (1 :3), mixed well and kept for drying.
• Step-4 After drying grinded and sieved (throughlOO mesh)
• Step-1 100 g of Rice husk was washed with water, added 400 ml of 25% hydrochloric acid(v/v) and kept for soaking for 4-5 hours. It was washed with water to get neutral pH.
• Step-2 Added 30 g NaOH mixed well and added 400 ml water, soaked for 4-5 hours, then washed with water to get neutral pH.
• Step-3 Added HC1 to get pH 3-4
• Step-4 Added 300 ml of H 2 0 2 (1 :3), mixed well and kept for soaking for 48 hours.
• Step-5 After drying grinded and sieved (through 100 mesh)
• step-2 after adding NaOH flakes temperature rose to 60-65 deg.
• Step-1 10 g of agro polymer powder is added to 75 ml of saturated urea solution (0,6 g/ml) and 25 ml of formaldehyde (37%). pH is adjusted to 3 with dilute sulphuric acid.
• Step-2 Material is dried, grinded and sieved (through 100 mesh)
• IBAAP is prepared with various compositions and procedure is followed as described for UFAP.
• FFUAP is prepared with the procedure as described for UFAP. 1) Agro polymer - 5 g
• gibberellic acid 0.1 g is dissolved in 600 ⁇ ethanol, mixed well to dissolve. Then make up to 100 ml with distilled water and mixed well.
• Ascorbic acid should be prepared freshly.
• Fulvic acid should be free from moisture.
• Seeds must be of uniform size and weight.
• Seeds were coated with pesticides as a primary layer and for secondary layer coating of below composition was given:
• Table 3 shows the examples of seed coat composition in accordance with present invention.
• Example- 8 Mixture 4 100 60 40 2.5 Powder
• Example-9 Mixture 4 1 100 60 40 2.5
• Example- 11 UFAP 2 100 60 40 1.5 1
• Example- 12 UFAP 2 1 100 60 40 1.5 1
• Example- 13 IBAAP; 2 100 60 40 1.5 1
• Example- 14 FFUAP 2 100 60 40 1.5 1
• Example- 15 33% 0.15 100 0.75 60 40 1.5 UFAP; 1
• Example- 16 33% 0.15 1 100 0.75 60 40 1.5 UFAP; 1
• Example- 17 2.5% 0.15 100 0.75 60 40 1.5 UFAP; 1
• Example- 18 25% 0.15 1 100 0.75 60 40 1.5 UFAP
• Example- 19 25% 0.15 0.3 100 0.75 - - 50 1.5 UFAP;
• Example-20 25% 0.15 0.3 100 0.75 55 55 50 1.5
• Example-21 25% 0.15 0.3 100 0.75 110 110 50 1.5
• Example-22 25% 0.15 0.3 100 0.75 225 225 50 1.5
• Example-23 25% 0.15 0.3 100 0.75 450 450 50 1.5
• Example-24 25% 0.30 0.3 100 0.75 50 1.5
• Example-25 25% 0.30 0.3 100 225 225 50 1.5
• Example-26 25% 0.90 0.3 100 50 1.5
• Example-27 25% 0.90 0.3 100 225 225 50 1.5
• Example-28 UFAP 0.15 50 0.75 60 40 50 1.5
• Example-29 IBAAP; 0.15 50 0.75 60 40 50 1.5
• Example-31 UFAP 0.15 50 0.75 110 110 50 1.5
• Example-32 IBAAP; 0.15 50 0.75 110 110 50 1.5
• Example-33 FFUAP; 0.15 50 0.75 110 110 50 1.5
• Example-34 UFAP 0.15 50 0.75 225 225 50 1.5
• Example-35 IBAAP; 0.15 50 0.75 225 225 50 1.5
• Example-36 FFUAP; 0.15 50 0.1 225 225 50 1.5
• Example-38 IBAAP; 0.15 50 450 450 50 1.5
• Example-40 UFAP; 0.15 100 0.75 110 110 50 1.5
• Example-41 UFAP 0.15 300 0.75 110 110 50 1.5
• Example-42 UFAP; 0.15 100 0.75 225 225 50 1.5
• Example-43 UFAP 0.15 300 0.75 225 225 50 1.5
• Example-44 UFAP 0.15 100 450 450 50 1.5
• Example-45 UFAP 0.15 300 450 450 50 1.5
• Example-46 UFAP 0.15 50 225 225 50 1.5
• Table 4 shows the examples of seed coat composition with pesticide in accordance with present invention.
• Seed coating treatments of above explained resulted in early onset of seed germination Seedling growth[shoot growth and root growth] and with enhanced germination percentage significantly on variety of crop seeds tested such as cotton , green gram ,black gram, groundnut, rice and vegetables.
• This seed coat composition gives an economical advantage of enhanced plant growth with precision supply of nutrients to the seeds for viable agriculture which involves multilayer technology also. It is observed that seedlings growth enhances 10 to 50 %.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• Pest Control & Pesticides (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Inorganic Chemistry (AREA)
• Botany (AREA)
• Pretreatment Of Seeds And Plants (AREA)
• Fertilizers (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)

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• 2013
  • 2013-07-22 WO PCT/IB2013/055993 patent/WO2014016751A2/fr not_active Ceased

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