Estimating Irrigation Scheduling for Field Pea (Pisum Sativum L.) using the CROPWAT 8.0 Model in the Temperate Region of Kashmir
Estimating Irrigation Scheduling for Field Pea
DOI:
https://doi.org/10.21921/jas.v10i02.12721Keywords:
CROPWAT 8.0, Irrigation scheduling, Pea, KashmirAbstract
Irrigation scheduling involves determining the appropriate timing and quantity of water to apply. In this study, CROPWAT 8.0 model was employed as a decision-making tool for irrigation scheduling. The objective was to estimate the water requirement, irrigation demand, and optimal timing of irrigation for field Pea cultivation. Inputs for the CROPWAT 8.0 model, like soil characteristics, climate conditions, crop information, and rainfall data were collected. The analysis revealed, the lowest daily crop water requirement was 0.39 mm, occurring during the second decade of December, while the highest requirement of 3.60 mm was observed during the second decade of May. The total water requirement for field Pea cultivation was estimated to be 269.8 mm, while the irrigation demand amounted to 253.7 mm. Based on these findings, which was suitable for the specific agro-ecological conditions. Ideally, it is advisable to adjust the irrigation interval based on the crop's growth stage, ensuring that soil moisture stress does not become a limiting factor in achieving maximum yield. By considering input-output parameters, this approach can help avoid over- or under-irrigation. In summary, the estimation of irrigation scheduling using the CROPWAT 8.0 model provides a valuable and efficient means of generating information for users, enabling them to make informed decisions promptly.
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