摘要: … by cutting some of the roots near their origins. In … root on the plants. P uptake was decreased by pruning when the pruned and unpruned plants were not in competition, and competition …
Multiple cropping. Proceedings of a symposium held at Haryana Agricultural University, Hissar, under the joint auspices of Indian Society of Agronomy and Indian Council of Agricultural Research, Octob,1976, 引用: 169