| Study on period and appropriate amount of rhizosphere complementary irrigation for watermelon in arid area of central Ningxia |
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| DOI：10.7606/j.issn.1000-7601.2010.06.03 |
| Key Words: watermelon in anid area flowering and fruit-bearing periods water use efficiency water supply effi-ciency |
| Author Name | Affiliation | | DU Jianmin | Instirute of Dsertification Control,Ningxia Academy of Agricultural and Forestry Sciences,Yinchuan, Ningxia 750002, China | | MENG Fanmin | Huangyangtan State Farm,Yongning, Ningxia 750106, China | | WANG Feng | Instirute of Dsertification Control,Ningxia Academy of Agricultural and Forestry Sciences,Yinchuan, Ningxia 750002, China | | ZUO Zhong | Instirute of Dsertification Control,Ningxia Academy of Agricultural and Forestry Sciences,Yinchuan, Ningxia 750002, China |
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| Abstract: |
| Field trials are conducted to study the rhizosphere supplementary imigation for watermelon in the arid area
of central Ningxia. The results show that, as for the same imigation amount(5 kg/ plant) , flowering and fruit-bearing pe-riods are the stages of complementary irrigation with the most water supply and yield-increasing efficiency, respectively 1 760.19 kg/(mm·hm2) and 40 767 kg/hm2; using defferent irigation amount at the flowering and fruit-bearing peri-ods, both the yield and water supply efficiency are the largest under the irrigation amount of 3 kg per plant each time. To carry out complementary irrigation with optimum amount at proper stages is an effective way for saving water, increasing yield and using complementary water efficiently. |
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