"irrigation"的搜索结果

rainbow arches over the irrigation wheel line

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water loss and erosion from irrigation runoff due to unregulated watering

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this is an example of contour check irrigation

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this irrigation pipeline running across a furrowed colorado field

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this image depicts the pooling of irrigation tailwater at the edge of a wyoming pasture

标签: this,image,depicts,the,pooling 浏览: 1

this curved irrigation canal here empty of water

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lateral irrigation system water is conveyed off the main channel to laterally directed channels

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farmers in india save time energy and money switching to drip irrigation

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farmers dig irrigation canals

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assistance to small farmers to improve crop production through improved irrigation systems

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agricultural assistance projects for egypts farmers to improve their irrigation methods for crop increase

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haitian workers are building irrigation canal

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after a water users association and irrigation plan was put into place farmersaw

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one of the oaxaca farmers benefiting from new irrigation systems stands among her crops

标签: one,of,the,oaxaca,farmers,bene 浏览: 2