Subjects
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- pigeon pea (13)
- pigeon peas (3)
- pigeonpea or cajanus cajan (1)
- pigeons (3)
- piggybac (1)
- pilot project (1)
- pilot projects (2)
- pilot study (1)
- pima cotton (3)
- pine (1)
- pink bollworm (1)
- pinus (3)
- piperonyl butoxide (4)
- piperonyl butoxide synergism (1)
- pipes (1)
- pipes through the banks (1)
- pirimicarb (1)
- pirimor® (1)
- pivot (5)
- pivots (1)