FR2599736A1 - Humic and inorganic fertilising product having an immediate and long-lasting effect - Google Patents

Humic and inorganic fertilising product having an immediate and long-lasting effect Download PDF

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Publication number
FR2599736A1
FR2599736A1 FR8608531A FR8608531A FR2599736A1 FR 2599736 A1 FR2599736 A1 FR 2599736A1 FR 8608531 A FR8608531 A FR 8608531A FR 8608531 A FR8608531 A FR 8608531A FR 2599736 A1 FR2599736 A1 FR 2599736A1
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elements
coated
fertilizer
plant
granules
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French (fr)
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Priority to FR8608531A priority Critical patent/FR2599736A1/en
Priority to FR8704357A priority patent/FR2612919A2/en
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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)

Abstract

The fertilising product, being composed of 50 % ligneous components, 25 % plant components, 3 % components of animal origin, 11.5 % inorganic components and 1.5 % polyuronides, is well equilibrated and provides the plant with the nutrient elements necessary for all stages of its development, without risk of scorching. Part of the inorganic fertilisers, 2 %, are intimately incorporated into the peat, 3 % of the fertilisers in the form of granules are coated once, 3 % of the fertilisers in the form of granules are coated twice. The porous stones, laden with inorganic components, 2.5 %, and also coated with urea-formaldehyde, are extremely important for the general equilibrium of the fertilisation, since the nutrient irons are only released depending upon the requirements of the plant. The colloidal products incorporated into the earth with this fertilising product, the porous stone and the ligneous products retain water and inorganic components close to the roots. The polyuronides in this mixture stimulate the bacterial activity without which no harmonious vegetation is possible.

Description

F E R T I I I S A N T H TT t.; I Q U E
E T Y I N E R A S A E P P E g I ?n Y E D I A T ET LONGUE D U R E E
La présente invention concerne le mélange d'un fertilisant qui permet la restructuration des sols appauvris, l'assainissement des plantes et leur nutrition d'une façon équilibrée et constante, à effet immédiat et de longue durée.FERTIIISANTH TT t .; IQUE
ETYINERASAEPPE g I? N YEDIAT AND LONG TERM
The present invention relates to the mixture of a fertilizer which allows the restructuring of depleted soils, the sanitation of plants and their nutrition in a balanced and constant manner, with immediate and long-lasting effect.

jusqu'à présent les mélanges d'engrais étaient de composition minérale seule et les amendements étaient uniquement organiques, aussi dénommés "engrais naturels". Ces engrais ou amendements doivent en général être complétés par l'apport d'autres éléments au cours de l'année.until now the fertilizer mixtures have been of mineral composition only and the amendments have been solely organic, also called "natural fertilizers". These fertilizers or amendments must generally be supplemented by the addition of other elements during the year.

Or la présente invention a l'avantage de remédier à cette lacune en cumulant les éléments organiques et minéraux de façon à ce que tous les éléments nécessaires à la plante soient disponibles, d'une part immédiatement après la plan station sans risques de brûlure et d'autre part pendant toute la durée de sa croissance jusqutà la floraison et fructification.The present invention has the advantage of remedying this shortcoming by combining the organic and mineral elements so that all the elements necessary for the plant are available, on the one hand immediately after the station plan without the risk of burns and d on the other hand during the entire period of its growth until flowering and fruiting.

Ce fertilisant se compose donc d'éléments organiques en provenance de plantes, tels que la tourbe, à raison de 25 S du volume total, ainsi que d'éléments organiques ligneux en provenance du bois, éléments qui se présentent sous forme de granulés plus ou moins grands ( de T à 5 m/m de diamètre ), qui sont traités au four à I800 C contre les germes et les bactéries nuisibles et enfin enrobés avec du silicate de calcium. le volume de ce produit est de 50 1 du total.This fertilizer therefore consists of organic elements from plants, such as peat, at a rate of 25% of the total volume, as well as woody organic elements from wood, elements which are in the form of granules more or smaller (from T to 5 m / m in diameter), which are treated in the oven at 1800 C against harmful germs and bacteria and finally coated with calcium silicate. the volume of this product is 50 l of the total.

les granulés les plus fins se transforment en humus dans l'espace de 3 à 5 semaines et les plus gros en l'espace de 4 à 8 mois.the finest granules transform into humus within 3 to 5 weeks and the largest in 4 to 8 months.

Pour faciliter la multiplication des bactéries, il est ajouté à ces deux produits organiques végétaux 3 w d'élé ments d'origine animale contenant 1,3 T d'azote, I,T7 % d'anhydride phosphorique, I,25 6 d'oxyde de Potassium, 0,008 q d'oxyde de Magnesium, 0,0 % d'oxyde de Calcium + les oligoéléments suivants Fe, Yn, Ou, Zn, Ni, (ro, P, Yo. To facilitate the multiplication of bacteria, it is added to these two plant organic products 3 w of elements of animal origin containing 1.3 T of nitrogen, I, T7% of phosphoric anhydride, I, 25 6 of Potassium oxide, 0.008 q of Magnesium oxide, 0.0% of Calcium oxide + the following trace elements Fe, Yn, Ou, Zn, Ni, (ro, P, Yo.

les trois produits organiques forment donc une masse humique qui d'une part réceptionne les engrais minéraux que l'on y incorpore et d'autre part fait tampon d'une façon naturelle entre les minéraux et les racines des plantes.the three organic products thus form a humic mass which on the one hand receives the mineral fertilizers which one incorporates there and on the other hand makes buffer in a natural way between the minerals and the roots of plants.

Pour avoir, immédiatement après la plantaton, des éléments minéraux à disposition de la plante, il est incorporé intimement 2 q d'engrais complet à la tourbe sous forme liquide.To have, immediately after planting, mineral elements available to the plant, it is intimately incorporated 2 q of complete peat fertilizer in liquid form.

Un autre pourcentage d'engrais minéraux (3 d) sous forme de granulés y est incorporé. Ces granulés sont enrobés à l'uréeformol, libérant ainsi les éléments nutritifs dans un délai de 1Q0 jours environ.Another percentage of mineral fertilizers (3 d) in the form of granules is incorporated. These granules are coated with ureaformol, thus releasing the nutrients within approximately 10 days.

Un autre pourcentage d'engrais minéraux (= ) y est incorporé de même sous forme de granulés, ceux-ci étant enrobés deux fois, libérant ainsi les éléments nutritifs dans un délai de 250 jours.Another percentage of mineral fertilizers (=) is also incorporated in the form of granules, which are coated twice, thereby releasing the nutrients within 250 days.

Un certain pourcentage d'éléments minéraux( 2,5 q ) sous forme liquide est incorporé dans des pierres poreuses naturelles QU synthétiques et d'un Ph neutre, qui ont un volume de 9 q du volume total. Le tout est enrobé avec une résine d'urée-formol faisant ainsi fonction d'échangeur d'ions nutritifs qui se libèrent suivant les besoins de la plante.A certain percentage of mineral elements (2.5 q) in liquid form is incorporated into natural QU synthetic porous stones with a neutral pH, which have a volume of 9 q of the total volume. The whole is coated with a urea-formaldehyde resin thus acting as a nutrient ion exchanger which is released according to the needs of the plant.

Ce point est capital dans le mélange, puisque cette pierre poreuse chargée d'éléments minéraux constitue la réserve qui règle la nutrition suivant les besoins de la plante.This point is crucial in the mixture, since this porous stone charged with mineral elements constitutes the reserve which regulates the nutrition according to the needs of the plant.

Elle pourrait être remplacée par des billes de résine synthétique qui sont d'un prix tellement élevé que la rentabilité du fertilisant serait mise en cause.It could be replaced by synthetic resin beads which are so expensive that the profitability of the fertilizer would be questioned.

A part ceci on incorpore encore dans ce mélange fertilisant des produits colloidaux, tels que les polyuronides, qui sont un concentré d'algues brunes de la mer et qui ont pour fonc tion de stimuler l'activité des bactéries dans le sol, favorisant la nitrification. Le pourcentage de polyuronides est de I,5 d du volume. les polyuronides en concentré ont une valeur qui excède 70 fois la contenance de polyuronides dans le fumier sans être nocif pour les plantes.Besides this, we also incorporate into this fertilizing mixture colloidal products, such as polyuronides, which are a concentrate of brown sea algae and which have the function of stimulating the activity of bacteria in the soil, promoting nitrification. . The percentage of polyuronides is 1.5 d by volume. polyuronides in concentrate have a value that exceeds 70 times the content of polyuronides in manure without being harmful to plants.

Enfin I < d'engrais minéral, l'anhydride phosphorique, sous forme de granulés est enrobé et mélangé dans ce fertilisant, mettant ainsi à la disposition des plantes cet élément à lan gllc channe. Finally I <of mineral fertilizer, phosphoric anhydride, in the form of granules is coated and mixed in this fertilizer, thus making available to plants this element to lan gllc channe.

Le produit d'enrobage de résine urée-formol peut être remplacé par un produit alginique à base d'algues marines brunes qui sont préparées de façon à fixer les terrains sablonneux instables et enrober les racines des plantes en transplanta-. The urea-formaldehyde resin coating product can be replaced by an alginic product based on brown seaweeds which are prepared so as to fix unstable sandy soils and coat the roots of plants with transplant.

tion.tion.

les produits d'origine animale peuvent être remplacés par des produits minéraux ayant les mêmes propriétés, telles que azote
à raison de y q, phosphore à I q, potasse à I g + Magnésium,
Calcium et oligo-éléments Pe, Ma, Cu, Zn, Ni, Co, B, Yo. animal products can be replaced by mineral products with the same properties, such as nitrogen
at a rate of yq, phosphorus at I q, potash at I g + Magnesium,
Calcium and trace elements Pe, Ma, Cu, Zn, Ni, Co, B, Yo.

Le Ph de ce fertilisant est neutre ( 6,8 à 7 ), de cette fa-
çon il est possible d'employer ce mélange fertilisant pour
toutes les plantes, neutrophilles et acidophilles. The Ph of this fertilizer is neutral (6.8 to 7), thus
Here it is possible to use this fertilizing mixture for
all plants, neutrophils and acidophilles.

Claims (6)

Revendications: I. Fabrication d'un fertilisant, caractérisé en ce qu'il consiste en un mélange de 50 t d'éléments ligneux, 25 d d'éléments végétaux 3 q d'éléments d'orig + animale, de II,5% d d'éléments minéraux et 1,5 q de polyuronides de provenance d'algues brunes de la mer.Claims: I. Manufacture of a fertilizer, characterized in that it consists of a mixture of 50 t of woody elements, 25 d of plant elements 3 q of elements of animal + orig, of II, 5% d of mineral elements and 1.5 q of polyuronides from brown sea algae. 2. Fertilisant selon la revendication I, caractérisé en ce que 50 % des éléments organiques sont d'origine ligneuse, sous forme de granulés de différentes grosseurs allant de2. Fertilizer according to claim I, characterized in that 50% of the organic elements are of woody origin, in the form of granules of different sizes ranging from I à 5 m/m de diamètre, traités à I800 C contre les germes et bactéries nuisibles et enrobés avec du silicate de cal c-ium, 3. Fertilisar.t selon la revendication I, caractérisé en ce que certains éléments organiques de ce mélange sont d'origine végétale telle la tourbe, apportée dans la proportion de 25 d. I at 5 m / m in diameter, treated at 1800 C against harmful germs and bacteria and coated with silica of cal c-ium, 3. Fertilisar.t according to claim I, characterized in that certain organic elements of this mixture are of plant origin such as peat, brought in the proportion of 25 d. 4. Fertilisant selon la revendication I, caractérisé en ce que 3ff des éléments d'origine animale y sont incorporés; ces éléments contiennent ,. I,3 % d'azote, I,T7 ? d'anhydride phosphorique I,23 d'oxyde de Potassium, Q,008 % de Magnesium, 0,03 % de Calcium et les oligo-éléments tels que Fe, Mn, Cu, Zn, Ni, no, B, o.4. Fertilizer according to claim I, characterized in that 3ff of elements of animal origin are incorporated therein; these elements contain,. I, 3% nitrogen, I, T7? phosphoric anhydride I, 23 potassium oxide, Q, 008% Magnesium, 0.03% Calcium and trace elements such as Fe, Mn, Cu, Zn, Ni, no, B, o. 5. Sertilisant selon la revendication I, caractérisé en ce que les éléments d'origine végétale, la tourbe, sont mélangés intimement avec des engrais minéraux liquide EPE, à raison de 2 q du volume total, ces engrais étant disponibles immédiatement à la plante 6. pertilisant selon la revendication I, caractérisé en ce que 3 q des engrais minéraux sous forme de granulés sont enrobés avec des produits de résine urée-formol, formant ainsi une pellicule durcie en surface des granulées, susceptible d'apporter la qualité "retard" à cet engrais, mettant ainsi à la disposition des plantes les éléments5. A fertilizer according to claim I, characterized in that the elements of plant origin, peat, are intimately mixed with liquid mineral fertilizers EPE, at a rate of 2 q of the total volume, these fertilizers being available immediately to the plant 6 Pertiltrant according to claim I, characterized in that 3 q of mineral fertilizers in the form of granules are coated with urea-formaldehyde resin products, thus forming a hardened film on the surface of the granules, capable of providing the "delay" quality to this fertilizer, thus making the elements available to plants fertilisants en douceur-et en longue durée.Ces granulés enrobés libèrent leurs éléments nutritifs dans l'espace de 100 jours environ.  gentle and long-lasting fertilizers.These coated granules release their nutrients within about 100 days. 7. Fertilisant selon la revendication r, caractérisé en ce que 3 < des engrais minéraux sous forme de granulés sont enrobés deux fois avec les produits de résine uréeformol pour donner un plus grand retard à cet engrais.7. Fertilizer according to claim r, characterized in that 3 <mineral fertilizers in the form of granules are coated twice with ureaformol resin products to give greater delay to this fertilizer. 8. Fertilisant selon la revendication 1, caractérisé ce que 2,5 m d'éléments minéraux NK sous forme liquide sont incorporés dans des pierres poreuses, naturelles ou synthétiques, ayant un Ph neutre, que ces pierres sont enrobées avec une résine d'urée-formol, faisant ainsi fonction d'échangeurs d'ions nutritifs, qui sont libérés suivant les besoins de la plante. Le volume de la pierre poreuse est de q % du mélange.  8. Fertilizer according to claim 1, characterized in that 2.5 m of NK mineral elements in liquid form are incorporated in porous stones, natural or synthetic, having a neutral pH, that these stones are coated with a urea resin -formol, thus acting as nutrient ion exchangers, which are released according to the needs of the plant. The volume of the porous stone is q% of the mixture. 9. Fertilisant selon la revendication 8, caractérisé en ce que la pierre poreuse, chargée des minéraux Fpy et enrobée sert de régulateur à la nutrition de la plante, puisque les éléments nutritifs sont mis à sa disposition suivant ses besoins.9. Fertilizer according to claim 8, characterized in that the porous stone, loaded with Fpy minerals and coated serves as a regulator for the nutrition of the plant, since the nutrients are made available according to its needs. 10. Fertilisant selon la revendication 8, caractérisé en ce que la pierre poreuse utilisée est neutre et naturelle. 10. Fertilizer according to claim 8, characterized in that the porous stone used is neutral and natural. 11. Fertilisant selon la revendication 8, caractérisé en ce que la pierre poreuse utilisée est neutre et synthétique. 11. Fertilizer according to claim 8, characterized in that the porous stone used is neutral and synthetic. I2. Fertilisant selon la revendication I, caractérisé en ce que les produits d'origine animale sont remplacés par des minéraux ayant les mêmes propriétés, telles que l'Azote I q, phosphore I %, Potasse I % + hágnesium, Calcium et oligo-éléments Fe, /tri, r=u, Zn, ri, Co, B, Yo. I2. Fertilizer according to Claim I, characterized in that the products of animal origin are replaced by minerals having the same properties, such as Nitrogen I q, phosphorus I%, Potash I% + hágnesium, Calcium and trace elements Fe , / sort, r = u, Zn, ri, Co, B, Yo. 13. Fertilisant selon la revendication 1, caractérisé en ce qu'unie partie (I #) des engrais minéraux est sous forme de granulés d'anhydride phosphorique, que ces granulés sont enrobés, mettant ainsi à la disposition des plantes cet élément à longue échéance. 13. A fertilizer according to claim 1, characterized in that a part (I #) of the mineral fertilizers is in the form of granules of phosphoric anhydride, that these granules are coated, thus making this element available to plants in the long term. . 14. Fertilisant selon la revendication I, caractérisé en ce qu'il contient en outre 1,5 q du volume total de produits colloidaux tels les polyuronides qui sont des concentrés d'algues marines brunes, que ces produits colloïdaux ainsi que la tourbe, les granulés ligneux et les éléments d'origine animale absorbent les engrais minéraux non14. Fertilizer according to claim I, characterized in that it also contains 1.5 q of the total volume of colloidal products such as polyuronides which are concentrates of brown marine algae, such colloidal products as well as peat, woody pellets and elements of animal origin absorb non-mineral fertilizers enrobés et font tampon naturel entre les minéraux et les coated and make a natural buffer between minerals and racines des plantes. plant roots. I5. Fertilisant selon la revendication 8, caractérisé en I5. Fertilizer according to claim 8, characterized in ce que la pierre poreuse chargée d'engrais peut etre rem that the porous stone loaded with fertilizer can be replaced placée par des billes de résine synthétique. placed by synthetic resin beads. 16. Fertilisant selon la revendication I, caractérisé en 16. Fertilizer according to claim I, characterized in ce que ce mélange est d'un Ph neutre  what this mixture is of a neutral Ph
FR8608531A 1986-06-10 1986-06-10 Humic and inorganic fertilising product having an immediate and long-lasting effect Withdrawn FR2599736A1 (en)

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FR8608531A FR2599736A1 (en) 1986-06-10 1986-06-10 Humic and inorganic fertilising product having an immediate and long-lasting effect
FR8704357A FR2612919A2 (en) 1986-06-10 1987-03-26 Humic organic improvement agent having an immediate effect

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988010184A1 (en) * 1987-06-23 1988-12-29 Gilbert Guidat Process and installation for industrial production of stabilized aggregates
FR2689723A1 (en) * 1992-04-13 1993-10-15 De Malliard Hugues Growing vegetation on poor or sterile soil - by applying mixt. of humus-forming material, vegetable flour and microorganisms to the soil
WO2002038521A3 (en) * 2000-11-08 2002-09-19 Kerry Green Fertilizer
CN104058869A (en) * 2014-07-08 2014-09-24 江苏天宁农木科技园有限公司 Fertilizer special for peach trees as well as preparation method and application of fertilizer
WO2015013834A1 (en) 2013-07-30 2015-02-05 Tivar Helicopteros, Asesorias E Inversiones Limitada Method and liquid compound that improves the efficiency of ammoniacal nitrogenated fertilisers and the ammonium present in the ground
CN107200655A (en) * 2017-08-04 2017-09-26 史丹利化肥扶余有限公司 A kind of anti-continuous cropping special fertilizer of Tower-type melt granulation soybean and preparation method thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB572171A (en) * 1943-08-19 1945-09-26 Holford Processes Ltd Improvements in or relating to processes for the production of organic fertilizers and apparatus therefor
US3307934A (en) * 1963-01-23 1967-03-07 Fisons Horticulture Ltd Method of making a granulated peat fertilizer
DE1254162B (en) * 1959-10-13 1967-11-16 Archer Daniels Midland Co Process for the production of grainy fertilizers with slower release of the plant nutrients they contain
US3940257A (en) * 1967-12-05 1976-02-24 American Forest Industries Ltd. Soil conditioning fertilizer compound
US4125392A (en) * 1975-02-14 1978-11-14 Primo Angelo M Seaweed extract product and methods of producing and utilizing same
LU82865A1 (en) * 1979-10-29 1981-03-24 R France MINERAL MIX FOR ANIMAL FEEDING
US4328118A (en) * 1979-06-13 1982-05-04 Ecological Consultants (Proprietary) Ltd. Algae processing
DE3040040A1 (en) * 1980-10-23 1982-06-03 Huminal Vertriebsgesellschaft mbH, 6000 Frankfurt Fertiliser prepd. by composting conifer bark - by mixing ground bark with ammonium bi:carbonate and water
FR2510593A1 (en) * 1981-07-29 1983-02-04 Guidat Gilbert Inert organic material useful as a soil or fertiliser additive - is prepd. by high temp. sterilisation of lignocellulosic waste or bark, treatment with a calcium salt and then a soluble silicate
EP0127332A2 (en) * 1983-05-03 1984-12-05 Lytag Limited An agro-chemical composition

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB572171A (en) * 1943-08-19 1945-09-26 Holford Processes Ltd Improvements in or relating to processes for the production of organic fertilizers and apparatus therefor
DE1254162B (en) * 1959-10-13 1967-11-16 Archer Daniels Midland Co Process for the production of grainy fertilizers with slower release of the plant nutrients they contain
US3307934A (en) * 1963-01-23 1967-03-07 Fisons Horticulture Ltd Method of making a granulated peat fertilizer
US3940257A (en) * 1967-12-05 1976-02-24 American Forest Industries Ltd. Soil conditioning fertilizer compound
US4125392A (en) * 1975-02-14 1978-11-14 Primo Angelo M Seaweed extract product and methods of producing and utilizing same
US4328118A (en) * 1979-06-13 1982-05-04 Ecological Consultants (Proprietary) Ltd. Algae processing
LU82865A1 (en) * 1979-10-29 1981-03-24 R France MINERAL MIX FOR ANIMAL FEEDING
DE3040040A1 (en) * 1980-10-23 1982-06-03 Huminal Vertriebsgesellschaft mbH, 6000 Frankfurt Fertiliser prepd. by composting conifer bark - by mixing ground bark with ammonium bi:carbonate and water
FR2510593A1 (en) * 1981-07-29 1983-02-04 Guidat Gilbert Inert organic material useful as a soil or fertiliser additive - is prepd. by high temp. sterilisation of lignocellulosic waste or bark, treatment with a calcium salt and then a soluble silicate
EP0127332A2 (en) * 1983-05-03 1984-12-05 Lytag Limited An agro-chemical composition

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988010184A1 (en) * 1987-06-23 1988-12-29 Gilbert Guidat Process and installation for industrial production of stabilized aggregates
FR2689723A1 (en) * 1992-04-13 1993-10-15 De Malliard Hugues Growing vegetation on poor or sterile soil - by applying mixt. of humus-forming material, vegetable flour and microorganisms to the soil
WO2002038521A3 (en) * 2000-11-08 2002-09-19 Kerry Green Fertilizer
AU2002214880B2 (en) * 2000-11-08 2007-03-29 Koch Agronomic Services, Llc Fertilizer
US7410522B2 (en) 2000-11-08 2008-08-12 Kerry Green Fertilizer
WO2015013834A1 (en) 2013-07-30 2015-02-05 Tivar Helicopteros, Asesorias E Inversiones Limitada Method and liquid compound that improves the efficiency of ammoniacal nitrogenated fertilisers and the ammonium present in the ground
US10173940B2 (en) 2013-07-30 2019-01-08 Tivar Helicopteros, Asesorias E Inversiones Limitada Method and liquid compound that improves the efficiency of ammoniacal nitrogenated fertilisers and the ammonium present in the ground
CN104058869A (en) * 2014-07-08 2014-09-24 江苏天宁农木科技园有限公司 Fertilizer special for peach trees as well as preparation method and application of fertilizer
CN104058869B (en) * 2014-07-08 2016-08-24 江苏天宁农木科技园有限公司 A kind of peach dedicated fertilizer and its preparation method and application
CN107200655A (en) * 2017-08-04 2017-09-26 史丹利化肥扶余有限公司 A kind of anti-continuous cropping special fertilizer of Tower-type melt granulation soybean and preparation method thereof

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Vyas et al. Effect of Soil Propagation Media and Bio-fertilizers on Seedling Germination and Seedling Vigour in Aonla (Emblica officinalis Gaertn.)
Al-Budairy et al. EFFECT OF VERMICOMPOST, SEAWEED EXTRACTS AND NITROGEN FERTILIZERS ON L-ASPERGENASE ENZYME ACTIVITY AND ITS KINETIC
Walker et al. Foliar fertilization effects on yield, quality, nutrient uptake, and vegetative characteristics of Florunner peanuts.
Mahmoud Effect of some organic and inorganic nitrogen fertilizers on onion plants grown on a sandy calcareous soil
Casey Discharge and chemical changes in a chalk stream headwater affected by the outflow of a commercial watercress-bed

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