Fertility evaluation of zinc content and comparison of reaction and efficiency of various zinc sources in southern Iraq soil

Al-Abdalla, N.I.A.

Fertility evaluation of zinc content and comparison of reaction and efficiency of various zinc sources in southern Iraq soil

1988

Al-Abdalla, N.I.A.

Studies were conducted in (22) calcareous soils to evaluate the efficiency of various extractants (acid mixture; EDTA+NH4OAC; EDTA+(NH4)2CO3; DTPA+NH4HCO3 and DTPA+CACL2) and to find critical levels of soil and plant Zn of corn (Zea mays L.). The content of total Zn for all the soils varied from (8.63-70.89) ppm with the mean value of (42.18) ppm. The order of extractability by the different extractants was EDTA+NH4OACDTPA+CACL2DTPA+NH4HCO3EDTA+(NH4)2CO3acid mixture. The DTPA+CACL2 method gave the best correlation with all growth parameters, suggesting its efficiency for predicting soil available Zn in calcareous soils.

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AGROVOC Keywords

cinc evaluation fertilidad del suelo irak sol calcaire tipos de suelos type de sol zea mays zinc

Bibliographic information

Pagination

234 p.

Other Subjects

Fertilite du sol; Suelo calcareo; Evaluacion

Language

Arabic

Note

Summaries (Ar, En)

22 tables; 18 graphs; 221 ref.

Type

Thesis; Bibliography; Summary; Non-Conventional

Corporate Author

Basrah Univ. (Iraq). Coll. of Agriculture

In AGRIS since: 1997-08-15

Format: AGRIS AP

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Fertility evaluation of zinc content and comparison of reaction and efficiency of various zinc sources in southern Iraq soil

1988

AGROVOC Keywords

Bibliographic information