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- Title
Potato Productivity in Response to Furrow Irrigation Practices, Rabbit Manure Rates, and Potassium Fertilizer Levels.
- Authors
EL-Sayed, Mahmoud M.; Gebreel, Mustafa; Elglaly, Ahamed M.; Abdelhalem, Abdelhady K.
- Abstract
A field experiment was carried out during the winter seasons of 2018/19 and 2019/20 at Agricultural Experimental Farm, Faculty of Agricultural, Al-Azhar University, Assiut, Egypt. To assess the effect of two furrow irrigation practices (conventional; CFI, and alternate; AFI), three rabbit manure application rates (R0, R1 and R2) and three potassium sulfate levels (KS0, KS1, and KS2) on potato yield and its macronutrient contents and on some water relations. Also to develop local potato crop coefficient (Kc). The experiment was laid out in split-split plots design with three replicates. The obtained results indicated that, the CFI practice with R0KS0 realized the highest amount of both WCU and IWA through both seasons, it was 5399.7 and 7523.4 m³ ha-1, respectively. While the lowest amount of WCU and IWA were obtained by AFI practices with R2KS2 through both seasons it was 4063.7 and 5455.8 m³ ha-1, respectively. The highest values of both irrigation and crop water productivity were attained by AFI with R2KS2 through both seasons it was 9.42 and 7.02 kg m-3, respectively. While the lowest values were obtained by CFI with R0KS0 through both seasons for the corresponding parameters it was 4.42 and 3.16 kg m-3, respectively. Kc value started to increase at the beginning to reach its maximum value (Kc mid) at the time of near mature plant, it varied from: 0.63, 0.70, 1.03 and 0.98 for initial, development, mid and end season stages, respectively. The highest amount of saved water (28.23%) was attained by AFI practices with R2KS2 through both seasons compared to CFI with R0KS0. Generally, the potato tuber yields and N, P, K content were significantly influenced by furrow irrigation practices, as well as by adding rabbit manure and potassium sulfate, the highest yields were 37.87 and 38.35 ton ha-1 for first and second seasons, respectively under AFI.
- Subjects
FURROW irrigation; POTASSIUM fertilizers; JAMI'AT al-Azhar; POTATO growing; POTASSIUM sulfate; POTATOES; RABBITS; POTASSIUM; MANURES
- Publication
Egyptian Journal of Soil Science, 2022, Vol 62, Issue 4, p335
- ISSN
0302-6701
- Publication type
Article
- DOI
10.21608/EJSS.2022.164734.1540