RESPONSE OF WHEAT TO IRRIGATION AND HYDROGEL WITH NUTRIENT MANAGEMENT
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2017, Vol 7, Issue 2
Abstract
The influence of irrigation and nutrient management using hydrogels on the growth and yield of wheat crops was studied by conducting field experiments at the farm at Wheat Research Unit, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola. The field studies were performed during the rabi season (2012–13) in clayey soil in a factorial randomised blocked design. The experiment had 18 treatment combinations and 3 replications. The role of effective irrigation was also studied by employing 4 different irrigation levels. Among all the irrigation levels, I3(four times irrigation) recorded the best grain and straw yield, as well as biological yield. However, I1 (no irrigation) reported the best harvest index by producing a higher grain-to-straw ratio. All the other crop growth characteristics, such as number of spikes in an area, number of spikes per plant, number of grains per plant, grain weight per plant (g), test weight (g), highest gross, net monetary return and B: C ratio, were found to be significantly better in I3(four times irrigation )than the other irrigation levels (i.e., I2 with two times irrigation and I1 with no irrigation). The study of nutrient management using hydrogels and NPK showed that H3treatment (100 % NPK with 5 kg/ha hydrogel) produced the best output in the crop. Some of the plant characteristics that were studied to determine the plant growth were the following: spikes in an area, number of spikes per plant, number of grains per plant, grain weight and test weight. H3 treatment showed superior output in all of the aforementioned plant characteristics and registered better grain and straw yield as well as biological yield compared to the treatments H2 (100 % NPK with 2.5 kg/ha hydrogel) and H4 (70 % NPK without hydrogel), with H4 treatments registering the least output.
Authors and Affiliations
SUNIL KUMAR MAHLA, S. S. WANJARI
Keywords
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