GB862712A - Soil conditioning and stabilizing with a composition comprising low molecular weight dextran - Google Patents

Soil conditioning and stabilizing with a composition comprising low molecular weight dextran

Info

Publication number
GB862712A
GB862712A GB3715657A GB3715657A GB862712A GB 862712 A GB862712 A GB 862712A GB 3715657 A GB3715657 A GB 3715657A GB 3715657 A GB3715657 A GB 3715657A GB 862712 A GB862712 A GB 862712A
Authority
GB
United Kingdom
Prior art keywords
composition
molecular weight
dextran
soil
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3715657A
Inventor
Everette E Witt
Leo J Novak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commonwealth Engineering Company of Ohio
Original Assignee
Commonwealth Engineering Company of Ohio
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commonwealth Engineering Company of Ohio filed Critical Commonwealth Engineering Company of Ohio
Priority to GB3715657A priority Critical patent/GB862712A/en
Publication of GB862712A publication Critical patent/GB862712A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/12—Hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/44—Preparation of metal salts or ammonium salts

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

Agricultural soils are stabilized by treatment with a composition comprising 35 to 65% by weight of a hydratable dextran having a molecular weight or average molecular weight between 5,000 and 50,000 and 65 to 35% by weight of (1) a dextran having a molecular weight or average molecular weight of at least 100,000 or (2) a polymeric polyelectrolyte (for preparation see Group IV(a)). The composition may also comprise nitrogen-fixing bacteria of the genus Rhizobia. The dry, particulate composition may be applied directly to or incorporated in soil to various depths by harrowing, discing, rotary tilling or hand raking, and water may be applied to the soil to solve or swell the dextran. Alternatively, the composition may be applied to the soil in an aqueous spray. The composition may have small amounts of soluble salts of metals such as copper, zinc, manganese, or the trace elements added, and may be used as a mulch and spread over the plant location to be protected. The mulch may comprise other organic materials.
GB3715657A 1957-11-28 1957-11-28 Soil conditioning and stabilizing with a composition comprising low molecular weight dextran Expired GB862712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3715657A GB862712A (en) 1957-11-28 1957-11-28 Soil conditioning and stabilizing with a composition comprising low molecular weight dextran

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3715657A GB862712A (en) 1957-11-28 1957-11-28 Soil conditioning and stabilizing with a composition comprising low molecular weight dextran

Publications (1)

Publication Number Publication Date
GB862712A true GB862712A (en) 1961-03-15

Family

ID=10394204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3715657A Expired GB862712A (en) 1957-11-28 1957-11-28 Soil conditioning and stabilizing with a composition comprising low molecular weight dextran

Country Status (1)

Country Link
GB (1) GB862712A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989006263A1 (en) * 1987-12-30 1989-07-13 Gesellschaft Für Gnotobiotechnik Und Bioforschung Soil-conditioning material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989006263A1 (en) * 1987-12-30 1989-07-13 Gesellschaft Für Gnotobiotechnik Und Bioforschung Soil-conditioning material

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