Dry Matter Accumulation and Nutrient Uptake by Wheat (Triticum aestivum L.) under Poplar (Populus deltoides) Based Agroforestry System

Table 2

Periodic changes in dry matter (kg ha⁻¹) accumulation of wheat crop at different distance from poplar tree line.

Distance from tree line (m)	Days after sowing
	30		60		90		At harvest
	3 years^*	4 years^*	3 years^*	4 years^*	3 years^*	4 years^*	3 years^*	4 years^*
0–3	110.7	120.3	1002	1027	6660	6500	8475	7500
3–6	173.5	139.0	1800	1830	7120	7333	10786	9363
6–9	180.5	192.5	1830	1868	7030	7720	10192	10823
9–12	150.3	155.0	1870	1890	7270	7680	9486	9388
12–15	153.1	155.1	1920	1932	7528	7790	9438	9047
Control^**	140.3	146.4	2035	2060	7550	7830	9398	9353
LSD (𝑃=0.05)	5.8	7.3	375	252	590	380	948	752

^*Age of the trees; ^**recorded 15 m away from tree line.