Regulation of maize growth, nutrient accumulation and remobilization in relation to yield formation under strip-till system

A two-year field experiment was conducted to elucidate the adaptive growth mechanism of maize under strip-till (ST) compared with conventional-till (CT). The biomass accumulation ST plants significantly lower than CT until V14 (14th leaf), but restored thereafter one below-ear-node leaf reduced. At silking, nitrogen (N) reduced by 8.3–10.7% CT. During post-silking, vegetative-N remobilization 20.4%, post-silking N uptake increased 33.9% in Leaf senescence delayed and more green area at physiological maturity ST. It is concluded that have ‘Recovery Growth Adaptation’ get similar yield as plants: (1) facilitating rate around when soil temperature greatly improved stabilize ear grain number; (2) getting silking same time plants, so ensure duration filling; (3) increasing fulfill demand development reduce remobilization, maintain function increase thousand-grain weight, which compensate for loss number per ear.