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1. Efficacy of fertilizing method for different potash sources in cotton (Gossypium hirsutum L.) nutrition under arid climatic conditions.

Author

Mubshar Hussain, Ahmad Faizan Tariq, Ahmad Nawaz, Muhammad Nawaz, Abdul Sattar, Sami Ul-Allah, and Abdul Wakeel

Subjects
Medicine, Science
Abstract

Precise choice of potassium (K) source and application method does matter for its cost-effectiveness. This study was aimed to evaluate the best source and method of K fertilizer application to improve cotton productivity and profitability under an arid climate. Three different K sources (KNO3, K2SO4 and KCl) were applied at 100 kg ha-1 by four methods, i.e. a) basal application, b) side dressing, c) fertigation and d) foliar application of 2% K2SO4. The highest productivity and profitability were recorded with K2SO4 applied as foliar application. Total boll weight per plant was similar in foliar applied K2SO4 and basal application of KNO3. Better boll opening in foliar applied K2SO4, perhaps, played decisive role for increased seed-cotton yield. For basal application and side dressing, KNO3 produced the highest seed-cotton yield, but the benefit cost ratio was better for foliar applied K2SO4. In crux, foliar application of K2SO4 might be opted to improve the seed cotton yield, fiber quality and net returns under the arid climate. However, soil K application through K2SO4 and/or KNO3 is essential to balance the K removal from soil.

Published
2020
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2. Efficacy of fertilizing method for different potash sources in cotton (Gossypium hirsutum L.) nutrition under arid climatic conditions

Author

Abdul Wakeel, Abdul Sattar, Ahmad Faizan Tariq, Muhammad Nawaz, Sami Ul-Allah, Mubshar Hussain, and Ahmad Nawaz

Subjects
0106 biological sciences, Fertigation, Leaves, Cotton, Plant Science, 01 natural sciences, Potassium Chloride, Soil, Yield (wine), Agricultural Soil Science, Flowering Plants, Mathematics, Multidisciplinary, Sulfates, Plant Anatomy, Soil chemistry, Eukaryota, Agriculture, 04 agricultural and veterinary sciences, Hydrogen-Ion Concentration, Plants, Chemistry, Agricultural soil science, Seeds, Physical Sciences, Medicine, Fertilizer, Desert Climate, Agrochemicals, Research Article, Potassium Compounds, Science, Soil Science, Crops, Complex Mixtures, engineering.material, Fertilizers, Gossypium, Nitrates, Desert climate, Potash, Ecology and Environmental Sciences, Organisms, Chemical Compounds, Biology and Life Sciences, Fiber Crops, Arid, Agronomy, 040103 agronomy & agriculture, engineering, 0401 agriculture, forestry, and fisheries, 010606 plant biology & botany, Crop Science
Abstract

Precise choice of potassium (K) source and application method does matter for its cost-effectiveness. This study was aimed to evaluate the best source and method of K fertilizer application to improve cotton productivity and profitability under an arid climate. Three different K sources (KNO3, K2SO4 and KCl) were applied at 100 kg ha-1 by four methods, i.e. a) basal application, b) side dressing, c) fertigation and d) foliar application of 2% K2SO4. The highest productivity and profitability were recorded with K2SO4 applied as foliar application. Total boll weight per plant was similar in foliar applied K2SO4 and basal application of KNO3. Better boll opening in foliar applied K2SO4, perhaps, played decisive role for increased seed-cotton yield. For basal application and side dressing, KNO3 produced the highest seed-cotton yield, but the benefit cost ratio was better for foliar applied K2SO4. In crux, foliar application of K2SO4 might be opted to improve the seed cotton yield, fiber quality and net returns under the arid climate. However, soil K application through K2SO4 and/or KNO3 is essential to balance the K removal from soil.

Published
2020

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