Modeling the response of crop emergence to sowing depth and soil water deficit in direct-seeded rice
Noriko Kanno,
Virender Kumar,
Yoichiro Kato
Abstract:Background and aims
Dry direct seeding of rice in the tropics often suffers from poor crop establishment owing to soil water deficit. A potential solution is sowing deeply to utilize residual soil moisture farther below the surface. We evaluated rice emergence under various sowing depths and soil moisture conditions and tested a model framework of it as a simultaneous function of sowing depth and soil moisture.
Methods
We combined data from three field exp… Show more
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