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Effect of phosphorus and potassium fertilizer rates and intercropping cassava plants with squash on land equivalent ratio, growth, yield components and yield of cassava plants in Toshky region
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Abstract: Two field trials were performed in the Horticultural Farm in the new reclaimed lands of Tosky region in 2001 and 2002 season to study the effect of two phosphorus fertilizer rates, i.e, 46.0 and 77.0 kg P2O5/fed, two potassium fertilizer rates, i.e. 72.0 and 96.0kg K2O/fed, two patterns of intercropping cassava plants with squash i.e, growing squash between cassava rows and between cassava rows and between plants compared with cassava or grown alone-on growth, yield and yield components of cassava plants. The treatments were replicated four time and were laid out in split plot design system. Data obtained indicated that there were increases in plant height, number of total branches/plant, number of total tubers/plant, average length of marketable and unmarketable tubers/plant, average diameter of marketable and unmarketable tubers/plant, weight of fresh tubers/plant and yield of forage and tubers/feddan with increasing the rate of phosphorus fertilizer up to 77.0 kg P2O5/fed. Same trends with greater differences were indicated when increasing the rate of potassium fertilizer up 96.0kg K2O/fed. On other hand, intercropping cassava with squash diminished all growth, yield components and yield of cassava in both seasons. The interaction effects of phosphorus and/or potassium and with intercropping patterns all together followed the three main variables when behaved individually in most traits. All the treatments imposed indicated yield advantage when cassava was intercropped with squash. LERs of cassava intercropped with squash between rows only were ever higher than when squash was intercropped between rows and cassava plants. Highest LER value was obtained when cassava received highest dose of phosphorus and potassium and squash was grown between rows only
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| Publication year |
2005
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| Organization Name |
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| Country |
Egypt
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| City |
القاهرة
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| Publisher |
Name:
معهد البحوث والدراسات الأفريقية - قسم الموارد الطبيعية
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| serial title |
مستقبل الأمن الغذائي الأفريقي
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| Department |
Crop Intensification Research
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| Author(s) from ARC |
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AGROVOC
TERMS |
Calcium fertilizers.
Cassava.
Growth.
Inorganic fertilizers.
Intercropping.
Nitrogen fertilizers.
Squashes.
Yield components.
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| Publication Type |
Conference/Workshop
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