PJB-2019-958
IMPACT OF ENRICHED ORGANIC SUBSTRATES AND FERTILIZER ON NUTRIENT UPTAKE AND GROWTH OF MAIZE (Zea mays L)
Irfan Aziz
Abstract
A field study was carried out to evaluate the impact of organic substrates on nutrients uptake and maize growth. Most of our agricultural soil are deficient in nutrients and dependents upon chemical fertilizers for its commercial cultivation. Use of compost (organic manure) has advantages of improving soil fertility and reducing environmental hazards. A field experiment with different organic substrates and fertilizers was laid out to assess the growth and nutrients uptake by maize crop. Organic fertilizers i.e. FYM, Compost and humic Acid were applied @ 20, 8tons ha-1 and 12 kg ha-1 as sole and in combinations by using RCBD with 3 replications. Significant increase was evident in total nitrogen (TN), phosphorus and potassium uptake in plant treated with FYM, compost and humic acid. Major agronomic parameters (germination count, grains cob-1, cob length, 1000 grain weight, grain yield and harvest index) showed significant increase in treatments (T7) FYM, compost and humic acid as compare to rest of treatments. While grains rows cob-1 and plant height were significant in mixture of compost and FYM.
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