FERTIGATION OF PEANUTS GROWN IN SANDY DUNES AND IRRIGATED BY TRICKLING WITH SALINE WATER.

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5 Scopus citations

Abstract

The concept that salinity hazards to sensitive crops can be reduced by adequate fertilization, was studied. Peanuts (Arachis hypogeae L. ) were grown for two years on sandy dunes with 1. 0-6. 5 dS m** minus **1 irrigation water and differnt concentrations of potassium (K) and nitrate (NO//3), which were applied by the trickle-irrigation system. The results showed that dry matter production in 4. 5 dS m** minus **1 was about the same as in 1. 0 dS m** minus **1 when 11. 6 mM KNO//3 applied. Similar results were obtained with pod yield in 1983, but not in 1984, when increase in the water salinity from 1. 0 to 4. 3 dS m** minus **1 abruptly reduced pod yield. The conclusions are that the tested concept is basicly valid. The major effect of salinity on the crop was due to Na-K interaction in uptake by the plant. Further work is needed to define the conditions which may affect the gonophores penetration into the saline soil.

Original languageEnglish
Title of host publicationUnknown Host Publication Title
PublisherASAE (Publ 10-85)
Pages652-658
Number of pages7
ISBN (Print)0916150739
StatePublished - 1 Dec 1985

ASJC Scopus subject areas

  • General Engineering

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